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JSON 序列化</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/signalr">24. 即时通讯</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/process-service">25. 辅助角色服务 (Worker Service)</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--active" aria-expanded="true" href="/docs/category/job">26. 定时任务 (Schedule)</a><button aria-label="Collapse sidebar category '26. 定时任务 (Schedule)'" type="button" class="clean-btn menu__caret"></button></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/docs/job">26.1 调度作业</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link menu__link--active" aria-current="page" tabindex="0" href="/docs/cron">26.2 Cron 表达式</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="/docs/task-queue">26.3 任务队列</a></li></ul></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/idgenerator">27. 分布式 ID 生成</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/module-dev">28. 模块化开发</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/clayobj">29. 粘土对象</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/sensitive-detection">30. 脱敏处理</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/file-provider">31. 虚拟文件系统（上传下载）</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/sesssion-state">32. 会话和状态管理</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/ipc">33. IPC 进程通信</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/category/deploy">34. 托管/部署/发布</a><button aria-label="Expand sidebar category '34. 托管/部署/发布'" type="button" class="clean-btn menu__caret"></button></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/category/devops">35. 持续部署集成</a><button aria-label="Expand sidebar category '35. 持续部署集成'" type="button" class="clean-btn menu__caret"></button></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/category/test">36. 测试指南</a><button aria-label="Expand sidebar category '36. 测试指南'" type="button" class="clean-btn menu__caret"></button></div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/dotnet-tools">37. 编写包管理工具 (Tools)</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/contribute">38. 贡献指南</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/bug-report">39. 安全漏洞报告</a></li></ul></nav><button type="button" title="Collapse sidebar" aria-label="Collapse sidebar" class="button button--secondary button--outline collapseSidebarButton_PEFL"><svg width="20" height="20" aria-hidden="true" class="collapseSidebarButtonIcon_kv0_"><g fill="#7a7a7a"><path d="M9.992 10.023c0 .2-.062.399-.172.547l-4.996 7.492a.982.982 0 01-.828.454H1c-.55 0-1-.453-1-1 0-.2.059-.403.168-.551l4.629-6.942L.168 3.078A.939.939 0 010 2.528c0-.548.45-.997 1-.997h2.996c.352 0 .649.18.828.45L9.82 9.472c.11.148.172.347.172.55zm0 0"></path><path d="M19.98 10.023c0 .2-.058.399-.168.547l-4.996 7.492a.987.987 0 01-.828.454h-3c-.547 0-.996-.453-.996-1 0-.2.059-.403.168-.551l4.625-6.942-4.625-6.945a.939.939 0 01-.168-.55 1 1 0 01.996-.997h3c.348 0 .649.18.828.45l4.996 7.492c.11.148.168.347.168.55zm0 0"></path></g></svg></button></div></div></aside><main class="docMainContainer_hjYf" style="flex-direction:column"><div class="notice_uV87"><div style="margin-bottom:1px"><a href="/docs/upgrade">🚀 Furion v4.9.1.7 版本已发布。23</a></div><div style="font-weight:600">⭐️ 开通 VIP 服务仅需 499 元/年，尊享 365 天项目无忧23<!-- --> <a class="tip_pvnE" href="/docs/subscribe"><span style="display:block;width:100%;height:100%;z-index:999">立即开通23</span></a> <!-- -->⭐️</div></div><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/docs/category/job"><span itemprop="name">26. 定时任务 (Schedule)</span></a><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">26.2 Cron 表达式</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><a href="http://github.crmeb.net/u/furion" target="_blank" style="display:block;margin-bottom:20px;text-decoration:none;position:relative;border-radius:5px;overflow:hidden;color:#25c2a0" title="CRMEB 专注开源电商系统研发"><img src="/img/crmeb-spec.jpg" style="display:block;pointer-events:none;max-width:100%"><span style="position:absolute;display:block;right:0;bottom:0;z-index:5;font-size:12px;background-color:rgba(0,0,0,0.8);padding:0 5px">特别赞助</span></a><header><h1>26.2 Cron 表达式</h1></header><details class="details_lb9f alert alert--info details_b_Ee" data-collapsed="true"><summary>📝 模块更新日志</summary><div><div class="collapsibleContent_i85q"><div><div><ul>
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<p><strong>新特性</strong></p>
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<li> <label class="label_p8vM" title="新增" style="background-color:#39b54a"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M512 71.68c-242.688 0-440.32 197.632-440.32 440.32s197.632 440.32 440.32 440.32 440.32-197.632 440.32-440.32-197.632-440.32-440.32-440.32z m0 819.2c-208.896 0-378.88-169.984-378.88-378.88s169.984-378.88 378.88-378.88 378.88 169.984 378.88 378.88-169.984 378.88-378.88 378.88z" fill="white"></path><path d="M542.72 261.12H481.28v220.16H261.12v61.44h220.16v220.16h61.44v-220.16h220.16V481.28h-220.16z" fill="white"></path></svg> <!-- -->新增</label> <code>Crontab.IsValid(...)</code> 静态方法，判断 <code>Cron</code> 表达式是否有效 <sup>4.8.7.17</sup> <sup>⏱️2023.03.20</sup> <a href="https://gitee.com/dotnetchina/Furion/issues/I6OHO4" target="_blank" rel="noopener noreferrer">#I6OHO4</a></li>
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<li> <label class="label_p8vM" title="新增" style="background-color:#39b54a"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M512 71.68c-242.688 0-440.32 197.632-440.32 440.32s197.632 440.32 440.32 440.32 440.32-197.632 440.32-440.32-197.632-440.32-440.32-440.32z m0 819.2c-208.896 0-378.88-169.984-378.88-378.88s169.984-378.88 378.88-378.88 378.88 169.984 378.88 378.88-169.984 378.88-378.88 378.88z" fill="white"></path><path d="M542.72 261.12H481.28v220.16H261.12v61.44h220.16v220.16h61.44v-220.16h220.16V481.28h-220.16z" fill="white"></path></svg> <!-- -->新增</label> <code>crontab.GetSleepTimeSpan(baseTime)</code> 实例方法 <sup>4.8.4.10</sup> <sup>⏱️2023.01.09</sup> <a href="https://gitee.com/dotnetchina/Furion/issues/I69HM4" target="_blank" rel="noopener noreferrer">#I69HM4</a></li>
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<li> <label class="label_p8vM" title="新增" style="background-color:#39b54a"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M512 71.68c-242.688 0-440.32 197.632-440.32 440.32s197.632 440.32 440.32 440.32 440.32-197.632 440.32-440.32-197.632-440.32-440.32-440.32z m0 819.2c-208.896 0-378.88-169.984-378.88-378.88s169.984-378.88 378.88-378.88 378.88 169.984 378.88 378.88-169.984 378.88-378.88 378.88z" fill="white"></path><path d="M542.72 261.12H481.28v220.16H261.12v61.44h220.16v220.16h61.44v-220.16h220.16V481.28h-220.16z" fill="white"></path></svg> <!-- -->新增</label> <code>Crontab.ParseAt(..)</code> 静态方法 <sup>4.8.2.6</sup> <sup>⏱️2022.11.30</sup> <a href="https://gitee.com/dotnetchina/Furion/commit/035cc23a20045e9673a1406b94e72030f5f18375" target="_blank" rel="noopener noreferrer">035cc23</a></li>
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<li> <label class="label_p8vM" title="新增" style="background-color:#39b54a"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M512 71.68c-242.688 0-440.32 197.632-440.32 440.32s197.632 440.32 440.32 440.32 440.32-197.632 440.32-440.32-197.632-440.32-440.32-440.32z m0 819.2c-208.896 0-378.88-169.984-378.88-378.88s169.984-378.88 378.88-378.88 378.88 169.984 378.88 378.88-169.984 378.88-378.88 378.88z" fill="white"></path><path d="M542.72 261.12H481.28v220.16H261.12v61.44h220.16v220.16h61.44v-220.16h220.16V481.28h-220.16z" fill="white"></path></svg> <!-- -->新增</label> <code>Crontab</code> 所有 <code>Macro At</code> 静态方法 <sup>4.8.2.6</sup> <sup>⏱️2022.11.30</sup> <a href="https://gitee.com/dotnetchina/Furion/commit/a15b69d0eeb4bdc8d0ec042cfec22ff0049dc89f" target="_blank" rel="noopener noreferrer">a15b69d</a></li>
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<li> <label class="label_p8vM" title="新增" style="background-color:#39b54a"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M512 71.68c-242.688 0-440.32 197.632-440.32 440.32s197.632 440.32 440.32 440.32 440.32-197.632 440.32-440.32-197.632-440.32-440.32-440.32z m0 819.2c-208.896 0-378.88-169.984-378.88-378.88s169.984-378.88 378.88-378.88 378.88 169.984 378.88 378.88-169.984 378.88-378.88 378.88z" fill="white"></path><path d="M542.72 261.12H481.28v220.16H261.12v61.44h220.16v220.16h61.44v-220.16h220.16V481.28h-220.16z" fill="white"></path></svg> <!-- -->新增</label> <code>Crontab.Workday</code> 表示周一至周五的 <code>Macro</code> 静态属性 <sup>4.8.2.6</sup> <sup>⏱️2022.11.30</sup> <a href="https://gitee.com/dotnetchina/Furion/commit/a15b69d0eeb4bdc8d0ec042cfec22ff0049dc89f" target="_blank" rel="noopener noreferrer">a15b69d</a></li>
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<p><strong>问题修复</strong></p>
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<li> <label class="label_p8vM" title="修复" style="background-color:#9c26b0"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M940 512H792V412c76.8 0 139-62.2 139-139 0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8 0 34.8-28.2 63-63 63H232c-34.8 0-63-28.2-63-63 0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8 0 76.8 62.2 139 139 139v100H84c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h148v96c0 6.5 0.2 13 0.7 19.3C164.1 728.6 116 796.7 116 876c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8 0-44.2 23.9-82.9 59.6-103.7 6 17.2 13.6 33.6 22.7 49 24.3 41.5 59 76.2 100.5 100.5S460.5 960 512 960s99.8-13.9 141.3-38.2c41.5-24.3 76.2-59 100.5-100.5 9.1-15.5 16.7-31.9 22.7-49C812.1 793.1 836 831.8 836 876c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8 0-79.3-48.1-147.4-116.7-176.7 0.4-6.4 0.7-12.8 0.7-19.3v-96h148c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zM716 680c0 36.8-9.7 72-27.8 102.9-17.7 30.3-43 55.6-73.3 73.3-20.1 11.8-42 20-64.9 24.3V484c0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8v396.5c-22.9-4.3-44.8-12.5-64.9-24.3-30.3-17.7-55.6-43-73.3-73.3C317.7 752 308 716.8 308 680V412h408v268z" fill="white"></path><path d="M304 280h56c4.4 0 8-3.6 8-8 0-28.3 5.9-53.2 17.1-73.5 10.6-19.4 26-34.8 45.4-45.4C450.9 142 475.7 136 504 136h16c28.3 0 53.2 5.9 73.5 17.1 19.4 10.6 34.8 26 45.4 45.4C650 218.9 656 243.7 656 272c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8 0-40-8.8-76.7-25.9-108.1-17.2-31.5-42.5-56.8-74-74C596.7 72.8 560 64 520 64h-16c-40 0-76.7 8.8-108.1 25.9-31.5 17.2-56.8 42.5-74 74C304.8 195.3 296 232 296 272c0 4.4 3.6 8 8 8z" fill="white"></path></svg> <!-- -->修复</label> <code>Cron</code> 表达式步长解析器错误 <sup>4.8.8.25</sup> <sup>⏱️2023.06.14</sup> <a href="https://gitee.com/dotnetchina/TimeCrontab/issues/I7D9XU" target="_blank" rel="noopener noreferrer">#I7D9XU</a></li>
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<li> <label class="label_p8vM" title="修复" style="background-color:#9c26b0"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M940 512H792V412c76.8 0 139-62.2 139-139 0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8 0 34.8-28.2 63-63 63H232c-34.8 0-63-28.2-63-63 0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8 0 76.8 62.2 139 139 139v100H84c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h148v96c0 6.5 0.2 13 0.7 19.3C164.1 728.6 116 796.7 116 876c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8 0-44.2 23.9-82.9 59.6-103.7 6 17.2 13.6 33.6 22.7 49 24.3 41.5 59 76.2 100.5 100.5S460.5 960 512 960s99.8-13.9 141.3-38.2c41.5-24.3 76.2-59 100.5-100.5 9.1-15.5 16.7-31.9 22.7-49C812.1 793.1 836 831.8 836 876c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8 0-79.3-48.1-147.4-116.7-176.7 0.4-6.4 0.7-12.8 0.7-19.3v-96h148c4.4 0 8-3.6 8-8v-56c0-4.4-3.6-8-8-8zM716 680c0 36.8-9.7 72-27.8 102.9-17.7 30.3-43 55.6-73.3 73.3-20.1 11.8-42 20-64.9 24.3V484c0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8v396.5c-22.9-4.3-44.8-12.5-64.9-24.3-30.3-17.7-55.6-43-73.3-73.3C317.7 752 308 716.8 308 680V412h408v268z" fill="white"></path><path d="M304 280h56c4.4 0 8-3.6 8-8 0-28.3 5.9-53.2 17.1-73.5 10.6-19.4 26-34.8 45.4-45.4C450.9 142 475.7 136 504 136h16c28.3 0 53.2 5.9 73.5 17.1 19.4 10.6 34.8 26 45.4 45.4C650 218.9 656 243.7 656 272c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8 0-40-8.8-76.7-25.9-108.1-17.2-31.5-42.5-56.8-74-74C596.7 72.8 560 64 520 64h-16c-40 0-76.7 8.8-108.1 25.9-31.5 17.2-56.8 42.5-74 74C304.8 195.3 296 232 296 272c0 4.4 3.6 8 8 8z" fill="white"></path></svg> <!-- -->修复</label> <code>Cron</code> 表达式 <code>*</code> 符号解析器不够严谨，如：<code>*1111aaaaa</code> 也被解析为 <code>*</code> <sup>4.8.7.17</sup> <sup>⏱️2023.03.20</sup> <a href="https://gitee.com/dotnetchina/Furion/issues/I6OHO4" target="_blank" rel="noopener noreferrer">#I6OHO4</a></li>
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</ul></div></div></div></div></details>
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<div class="theme-admonition theme-admonition-warning admonition_xJq3 alert alert--warning"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8.893 1.5c-.183-.31-.52-.5-.887-.5s-.703.19-.886.5L.138 13.499a.98.98 0 0 0 0 1.001c.193.31.53.501.886.501h13.964c.367 0 .704-.19.877-.5a1.03 1.03 0 0 0 .01-1.002L8.893 1.5zm.133 11.497H6.987v-2.003h2.039v2.003zm0-3.004H6.987V5.987h2.039v4.006z"></path></svg></span>版本说明</div><div class="admonitionContent_BuS1"><p>在 <code>Furion 4.8.0+</code> 版本采用 <a href="https://gitee.com/dotnetchina/TimeCrontab" target="_blank" rel="noopener noreferrer">TimeCrontab</a> 作为 <code>Cron</code> 表达式解析。</p></div></div>
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<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>版本说明</div><div class="admonitionContent_BuS1"><p>以下内容仅限 <code>Furion 4.8.0 +</code> 版本使用。</p></div></div>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2621-关于-cron-表达式">26.2.1 关于 <code>Cron</code> 表达式<a href="#2621-关于-cron-表达式" class="hash-link" aria-label="Direct link to 2621-关于-cron-表达式" title="Direct link to 2621-关于-cron-表达式"></a></h2>
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<p><code>Cron</code> 表达式是一个字符串，字符串以 <code>5</code> 或 <code>6</code> 个空格隔开，分为 <code>6</code> 或 <code>7</code> 个域，每一个域代表一个含义，<code>Cron</code> 表达式通常是作为实现定时任务的基石。</p>
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<img src="/img/cron.png">
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2622-快速入门">26.2.2 快速入门<a href="#2622-快速入门" class="hash-link" aria-label="Direct link to 26.2.2 快速入门" title="Direct link to 26.2.2 快速入门"></a></h2>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26221-常规格式">26.2.2.1 常规格式<a href="#26221-常规格式" class="hash-link" aria-label="Direct link to 26.2.2.1 常规格式" title="Direct link to 26.2.2.1 常规格式"></a></h3>
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<p><strong>常规格式</strong>：分 时 天 月 周</p>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"* * * * *"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> nextOccurrence </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetNextOccurrence</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26222-支持年份">26.2.2.2 支持年份<a href="#26222-支持年份" class="hash-link" aria-label="Direct link to 26.2.2.2 支持年份" title="Direct link to 26.2.2.2 支持年份"></a></h3>
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<p><strong>支持年份</strong>：分 时 天 月 周 年</p>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"* * * * * *"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">WithYears</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> nextOccurrence </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetNextOccurrence</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26223-支持秒数">26.2.2.3 支持秒数<a href="#26223-支持秒数" class="hash-link" aria-label="Direct link to 26.2.2.3 支持秒数" title="Direct link to 26.2.2.3 支持秒数"></a></h3>
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<p><strong>支持秒数</strong>：秒 分 时 天 月 周</p>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"* * * * * *"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">WithSeconds</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> nextOccurrence </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetNextOccurrence</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26224-支持秒和年">26.2.2.4 支持秒和年<a href="#26224-支持秒和年" class="hash-link" aria-label="Direct link to 26.2.2.4 支持秒和年" title="Direct link to 26.2.2.4 支持秒和年"></a></h3>
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<p><strong>支持秒和年</strong>：秒 分 时 天 月 周 年</p>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"* * * * * * *"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">WithSecondsAndYears</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> nextOccurrence </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetNextOccurrence</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26225-macro-标识符和静态属性">26.2.2.5 <code>Macro</code> 标识符和静态属性<a href="#26225-macro-标识符和静态属性" class="hash-link" aria-label="Direct link to 26225-macro-标识符和静态属性" title="Direct link to 26225-macro-标识符和静态属性"></a></h3>
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<p>为了方便常见的 <code>Cron</code> 表达式，如 <code>每天</code>，<code>每月</code>，<code>每小时</code> 等等，所以提供了 <code>Macro</code> 标识符和静态属性：</p>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// macro 字符串</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> secondly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@secondly"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每秒 .0000000</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> minutely </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@minutely"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每分钟 00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> hourly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@hourly"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每小时 00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> daily </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@daily"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每天 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> monthly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@monthly"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每月 1 号 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> weekly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@weekly"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周日 00：00：00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> yearly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@yearly"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每年 1 月 1 号 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> workday </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"@workday"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周一至周五 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 静态属性</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> secondly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Secondly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每秒 .0000000</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> minutely </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Minutely</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每分钟 00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> hourly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Hourly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每小时 00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> daily </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Daily</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每天 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> monthly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Monthly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每月 1 号 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> weekly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Weekly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周日 00：00：00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> yearly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Yearly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每年 1 月 1 号 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> workday </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Workday</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周一至周五 00:00:00</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26226-macro-at-标识符">26.2.2.6 <code>Macro At</code> 标识符<a href="#26226-macro-at-标识符" class="hash-link" aria-label="Direct link to 26226-macro-at-标识符" title="Direct link to 26226-macro-at-标识符"></a></h3>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每第 3 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">SecondlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每第 3，5，6 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">SecondlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每分钟第 3 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MinutelyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每分钟第 3，5，6 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MinutelyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每小时第 3 分钟</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">HourlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每小时第 3，5，6 分钟</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">HourlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每天第 3 小时正（点）</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">DailyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每天第 3，5，6 小时正（点）</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">DailyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每月第 3 天零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MonthlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每月第 3，5，6 天零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MonthlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周星期 3 零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"WED"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// SUN（星期天），MON，TUE，WED，THU，FRI，SAT</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周星期 3，5，6 零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"WED"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"FRI"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"SAT"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 还支持混合</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"FRI"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每年第 3 月 1 日零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"MAR"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// JAN（一月），FEB，MAR，APR，MAY，JUN，JUL，AUG，SEP，OCT，NOV，DEC</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每年第 3，5，6 月 1 日零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"MAR"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"MAY"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"JUN"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 还支持混合</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"MAY"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2623-cron-各字段说明">26.2.3 <code>Cron</code> 各字段说明<a href="#2623-cron-各字段说明" class="hash-link" aria-label="Direct link to 2623-cron-各字段说明" title="Direct link to 2623-cron-各字段说明"></a></h2>
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<table><thead><tr><th>字段</th><th>允许值</th><th>允许特别符号</th><th>格式化</th></tr></thead><tbody><tr><td>秒 </td><td><code>0-59</code></td><td><code>\* , - /</code></td><td><code>CronStringFormat.WithSeconds</code> 或 <code>CronStringFormat.WithSecondsAndYears</code></td></tr><tr><td>分钟 </td><td><code>0-59</code></td><td><code>\* , - /</code></td><td><code>ALL</code></td></tr><tr><td>小时 </td><td><code>0-23</code></td><td><code>\* , - /</code></td><td><code>ALL</code></td></tr><tr><td>天 </td><td><code>1-31</code></td><td><code>\* , - / ? L W</code></td><td><code>ALL</code></td></tr><tr><td>月份 </td><td><code>1-12</code> or <code>JAN-DEC</code></td><td><code>\* , - /</code></td><td><code>ALL</code></td></tr><tr><td>星期 </td><td><code>0-6</code> or <code>SUN-SAT</code></td><td><code>\* , - / ? L #</code></td><td><code>ALL</code></td></tr><tr><td>年份 </td><td><code>0001–9999</code></td><td><code>\* , - /</code></td><td><code>CronStringFormat.WithYears</code> 或 <code>CronStringFormat.WithSecondsAndYears</code></td></tr></tbody></table>
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<ul>
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<li><code>*</code>：表示匹配该域的任意值，假如在 <code>分钟</code> 域使用 <code>*</code>，即表示每分钟都会触发事件。</li>
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<li><code>?</code>：只能用在 <code>天</code> 和 <code>星期</code> 两个域。它也匹配域的任意值，但实际不会。因为 <code>天</code> 和 <code>星期</code> 会相互影响。例如想在 <code>每月的20日</code> 触发调度，不管 20 日到底是星期几，则只能使用如下写法：<code>13 13 15 20 * ?</code>, 其中最后一位只能用 <code>?</code>，而不能使用 <code>*</code>，如果使用 <code>*</code> 表示不管星期几都会触发，实际上并不是这样。</li>
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<li><code>-</code>：表示范围，例如在 <code>分钟</code> 域使用 <code>5-20</code>，表示从 <code>5分</code> 到<code>20分钟</code> 每分钟触发一次。</li>
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<li><code>/</code>：表示起始时间开始触发，然后每隔固定时间触发一次，例如在 <code>分钟</code> 域使用 <code>5/20</code>，则意味着 <code>5分钟</code> 触发一次，而 <code>25，45</code> 等分别触发一次。</li>
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<li><code>,</code>：表示列出枚举值。例如：在 <code>分钟</code> 域使用 <code>5,20</code>，则意味着在 <code>第5</code> 和 <code>第20分钟</code> 分别触发一次。</li>
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<li><code>L</code>：表示最后，只能出现在 <code>星期</code> 和 <code>月份</code> 域，如果在 <code>星期</code> 域使用 <code>5L</code>，意味着在 <code>最后的一个星期四</code> 触发。</li>
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<li><code>W</code>：表示有效工作日(周一到周五),只能出现在 <code>天</code> 域，系统将在离指定日期的最近的有效工作日触发事件。例如：在 <code>天</code> 使用 <code>5W</code>，如果 <code>5日是星期六，则将在最近的工作日：星期五，即 4日 触发</code>。如果 <code>5日是星期天，则在6日(周一)触发</code>；如果 <code>5日在星期一到星期五中的一天，则就在 5日 触发</code>。另外一点，<code>W</code> 的最近寻找不会跨过月份。</li>
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<li><code>LW</code>：这两个字符可以连用，表示在某个月最后一个工作日，即最后一个非周六周末的日期。</li>
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<li><code>#</code>：用于确定每个月第几个星期几，只能出现在 <code>星期</code> 域。例如在 <code>2#3</code>，表示某月的第二个星期三。</li>
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</ul>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2624-cronstringformat-格式化">26.2.4 <code>CronStringFormat</code> 格式化<a href="#2624-cronstringformat-格式化" class="hash-link" aria-label="Direct link to 2624-cronstringformat-格式化" title="Direct link to 2624-cronstringformat-格式化"></a></h2>
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<p>默认情况下，<code>Cron</code> 表达式不支持 <code>秒</code> 和 <code>年</code> 的，如有需求，可配置 <code>CronStringFormat</code> 枚举参数。</p>
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<ul>
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<li><code>CronStringFormat</code> 提供以下枚举值：<!-- -->
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<ul>
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<li><code>CronStringFormat.Default</code>：默认格式，书写顺序：<code>分 时 天 月 周</code></li>
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<li><code>CronStringFormat.WithYears</code>：带年份格式，书写顺序：<code>分 时 天 月 周 年</code></li>
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<li><code>CronStringFormat.WithSeconds</code>：带秒格式，书写顺序：<code>秒 分 时 天 月 周</code></li>
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<li><code>CronStringFormat.WithSecondsAndYears</code>：带秒和年格式，书写顺序：<code>秒 分 时 天 月 周 年</code></li>
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</ul>
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</li>
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</ul>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2625-在线生成-cron-表达式">26.2.5 在线生成 <code>Cron</code> 表达式<a href="#2625-在线生成-cron-表达式" class="hash-link" aria-label="Direct link to 2625-在线生成-cron-表达式" title="Direct link to 2625-在线生成-cron-表达式"></a></h2>
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<p>对于大多数开发者来说，编写 <code>Cron</code> 表达式是有难度的，所以推荐使用在线 <code>Cron</code> 表达式生成器。</p>
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<p><a href="https://cron.qqe2.com/" target="_blank" rel="noopener noreferrer">https://cron.qqe2.com/</a></p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2626-实现简单定时任务">26.2.6 实现简单定时任务<a href="#2626-实现简单定时任务" class="hash-link" aria-label="Direct link to 26.2.6 实现简单定时任务" title="Direct link to 26.2.6 实现简单定时任务"></a></h2>
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<div class="theme-admonition theme-admonition-tip admonition_xJq3 alert alert--success"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>小建议</div><div class="admonitionContent_BuS1"><p>建议使用 【<a href="/docs/job">26.1 调度作业</a>】 章节内容实现强大的分布式定时任务。</p></div></div>
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<p>通过 <code>Cron</code> 表达式解析和 <code>while</code> 循环可以实现简单的定时任务。</p>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26261-while--task-方式">26.2.6.1 <code>while</code> + <code>Task</code> 方式<a href="#26261-while--task-方式" class="hash-link" aria-label="Direct link to 26261-while--task-方式" title="Direct link to 26261-while--task-方式"></a></h3>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 阻塞方式</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"* * * * * *"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">WithSeconds</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token keyword" style="font-style:italic">while</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token boolean" style="color:rgb(255, 88, 116)">true</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> Thread</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Sleep</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetSleepMilliseconds</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> Console</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WriteLine</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ToString</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"G"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 无阻塞方式</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"* * * * * *"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">WithSeconds</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain">Task</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Factory</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">StartNew</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token keyword" style="font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">while</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token boolean" style="color:rgb(255, 88, 116)">true</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">await</span><span class="token plain"> Task</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Delay</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetSleepMilliseconds</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> Console</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WriteLine</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ToString</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"G"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> TaskCreationOptions</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">LongRunning</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="26262-backgroundservice-方式">26.2.6.2 <code>BackgroundService</code> 方式<a href="#26262-backgroundservice-方式" class="hash-link" aria-label="Direct link to 26262-backgroundservice-方式" title="Direct link to 26262-backgroundservice-方式"></a></h3>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token keyword" style="font-style:italic">using</span><span class="token plain"> </span><span class="token namespace" style="color:rgb(178, 204, 214)">Furion</span><span class="token namespace punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token namespace" style="color:rgb(178, 204, 214)">TimeCrontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token keyword" style="font-style:italic">namespace</span><span class="token plain"> </span><span class="token namespace" style="color:rgb(178, 204, 214)">WorkerService</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token keyword" style="font-style:italic">public</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">class</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">Worker</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token type-list class-name" style="color:rgb(255, 203, 107)">BackgroundService</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">private</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">readonly</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">ILogger</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token class-name" style="color:rgb(255, 203, 107)">Worker</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain"> _logger</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">private</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">readonly</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">Crontab</span><span class="token plain"> _crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">public</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">Worker</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">ILogger</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token class-name" style="color:rgb(255, 203, 107)">Worker</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain"> logger</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> _logger </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> logger</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> _crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"* * * * * *"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">WithSeconds</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">protected</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">override</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">async</span><span class="token plain"> </span><span class="token return-type class-name" style="color:rgb(255, 203, 107)">Task</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">ExecuteAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">CancellationToken</span><span class="token plain"> stoppingToken</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">while</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token operator" style="color:rgb(137, 221, 255)">!</span><span class="token plain">stoppingToken</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">IsCancellationRequested</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> taskFactory </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">new</span><span class="token plain"> </span><span class="token constructor-invocation class-name" style="color:rgb(255, 203, 107)">TaskFactory</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">System</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Threading</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Tasks</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">TaskScheduler</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Current</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">await</span><span class="token plain"> taskFactory</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">StartNew</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token keyword" style="font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 你的业务代码写到这里面</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> _logger</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">LogInformation</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Worker running at: {time}"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">await</span><span class="token plain"> Task</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">CompletedTask</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> stoppingToken</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">await</span><span class="token plain"> Task</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Delay</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">_crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetSleepTimeSpan</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">DateTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Now</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> stoppingToken</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2627-crontab-对象属性和方法">26.2.7 <code>Crontab</code> 对象属性和方法<a href="#2627-crontab-对象属性和方法" class="hash-link" aria-label="Direct link to 2627-crontab-对象属性和方法" title="Direct link to 2627-crontab-对象属性和方法"></a></h2>
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<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 实例属性</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> format </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Format</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 获取当前格式化配置</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 静态属性</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> secondly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Secondly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每秒 .0000000</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> minutely </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Minutely</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每分钟 00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> hourly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Hourly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每小时 00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> daily </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Daily</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每天 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> monthly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Monthly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每月 1 号 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> weekly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Weekly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周日 00：00：00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> yearly </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Yearly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每年 1 月 1 号 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> workday </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Workday</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周一至周五 00:00:00</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 实例方法</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 获取下一个执行时间</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> nextOccurrence </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetNextOccurrence</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">起始时间</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> nextOccurrence </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetNewDbContext</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">起始时间</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> 结束时间</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 获取特定时间所有执行执行时间</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> nextOccurrences </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetNextOccurrences</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">起始时间</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> 结束时间</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 获取当前时间和下一个发生时间相差毫秒数</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> sleepMilliseconds </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetSleepMilliseconds</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">起始时间</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 获取当前时间和下一个发生时间相差时间戳</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> sleepTimeSpan </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetSleepTimeSpan</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">起始时间</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// Furion 4.8.4.10+ 版本有效</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 将 crontab 对象转换成 cron 表达式</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> expression </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ToString</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 静态方法</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 解析表达式</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Parse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"表达式"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Default</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 转换表达式为 Crontab 对象</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">TryParse</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"表达式"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Default</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 转换表达式为 Crontab 对象</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ParseAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Macro 符号"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 创建 Macro At Crontab 对象</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> isValid </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">IsValid</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"表达式"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> CronStringFormat</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Default</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 判断表达式是否有效，Furion 4.8.7.17+ 支持</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每第 3 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">SecondlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每第 3，5，6 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">SecondlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每分钟第 3 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MinutelyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每分钟第 3，5，6 秒</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MinutelyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每小时第 3 分钟</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">HourlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每小时第 3，5，6 分钟</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">HourlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每天第 3 小时正（点）</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">DailyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每天第 3，5，6 小时正（点）</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">DailyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每月第 3 天零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MonthlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每月第 3，5，6 天零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">MonthlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周星期 3 零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"WED"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// SUN（星期天），MON，TUE，WED，THU，FRI，SAT</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每周星期 3，5，6 零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"WED"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"FRI"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"SAT"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 还支持混合</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">WeeklyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"FRI"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每年第 3 月 1 日零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"MAR"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// JAN（一月），FEB，MAR，APR，MAY，JUN，JUL，AUG，SEP，OCT，NOV，DEC</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 每年第 3，5，6 月 1 日零点正</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"MAR"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"MAY"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"JUN"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 还支持混合</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> crontab </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Crontab</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">YearlyAt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">3</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"MAY"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">6</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span></span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="2628-反馈与建议">26.2.8 反馈与建议<a href="#2628-反馈与建议" class="hash-link" aria-label="Direct link to 26.2.8 反馈与建议" title="Direct link to 26.2.8 反馈与建议"></a></h2>
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href="#2623-cron-各字段说明" class="table-of-contents__link toc-highlight">26.2.3 <code>Cron</code> 各字段说明</a></li><li><a href="#2624-cronstringformat-格式化" class="table-of-contents__link toc-highlight">26.2.4 <code>CronStringFormat</code> 格式化</a></li><li><a href="#2625-在线生成-cron-表达式" class="table-of-contents__link toc-highlight">26.2.5 在线生成 <code>Cron</code> 表达式</a></li><li><a href="#2626-实现简单定时任务" class="table-of-contents__link toc-highlight">26.2.6 实现简单定时任务</a><ul><li><a href="#26261-while--task-方式" class="table-of-contents__link toc-highlight">26.2.6.1 <code>while</code> + <code>Task</code> 方式</a></li><li><a href="#26262-backgroundservice-方式" class="table-of-contents__link toc-highlight">26.2.6.2 <code>BackgroundService</code> 方式</a></li></ul></li><li><a href="#2627-crontab-对象属性和方法" class="table-of-contents__link toc-highlight">26.2.7 <code>Crontab</code> 对象属性和方法</a></li><li><a href="#2628-反馈与建议" class="table-of-contents__link toc-highlight">26.2.8 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