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tabindex="0" href="/docs/dbcontext-query">9.11 查询操作</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/dbcontext-hight-query">9.12 高级查询操作</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/dbcontext-view">9.13 视图操作</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/dbcontext-proc">9.14 存储过程操作</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/dbcontext-function">9.15 函数操作</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/dbcontext-sql">9.16 Sql 操作</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/dbcontext-sql-template">9.17 Sql 模板</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/dbcontext-sql-proxy">9.18 Sql 高级代理</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/dbcontext-multi-database">9.19 多种数据库操作 ✨</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/dbcontext-db-first">9.20 数据库生成模型 (Db First)</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/dbcontext-code-first">9.21 模型生成数据库 (Code First)</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/dbcontext-seed-data">9.22 实体种子数据</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/dbcontext-audit">9.23 审计日志 (Audit)</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/dbcontext-filter">9.24 实体/全局查询筛选器</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/dbcontext-Interceptor">9.25 数据库操作拦截器</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/dbcontext-entitytrigger">9.26 实体数据监听器</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/tran">9.27 事务和工作单元 (UnitOfWork)</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/dbcontext-read-write">9.28 读写分离/主从复制</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/split-db">9.29 分表分库</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/efcore-recommend">9.30 EFCore 最佳实践</a></li></ul></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/orm">10. SqlSugar 或其他 ORM</a><button aria-label="Expand sidebar category '10. SqlSugar 或其他 ORM'" 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/saas">11. SaaS 多租户</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/dependency-injection">12. 依赖注入/控制反转</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/object-mapper">13. 对象数据映射 (Mapper)</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/cache">14. 分布式缓存</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/auth-control">15. 安全鉴权</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/cors">16. CORS 跨域</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/view-engine">17. 视图/模板引擎</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/logging">18. 日志记录</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/http">19. 远程请求 (HttpClient)</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/encryption">20. 数据加解密</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/local-language">21. 全球化和本地化（多语言）</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/event-bus">22. 事件总线 (EventBus)</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/json-serialization">23. 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 menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/category/job">26. 定时任务 (Schedule)</a><button aria-label="Expand sidebar category '26. 定时任务 (Schedule)'" 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/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/efcore"><span itemprop="name">9. 数据库操作指南（EFCore）</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">9.10 批量操作</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>9.10 批量操作</h1></header><h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9101-关于批量操作">9.10.1 关于批量操作<a href="#9101-关于批量操作" class="hash-link" aria-label="Direct link to 9.10.1 关于批量操作" title="Direct link to 9.10.1 关于批量操作"></a></h2>
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<p><code>Furion</code> 框架中，默认只提供小数据（100 条 以内）批量数据操作，如果需要更大的数据批量处理，推荐使用第三方包 <a href="https://github.com/yangzhongke/Zack.EFCore.Batch" target="_blank" rel="noopener noreferrer">Zack.EFCore.Batch</a>，支持和 <code>Furion</code> 无缝衔接。</p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9102-zackefcorebatch-使用">9.10.2 <code>Zack.EFCore.Batch</code> 使用<a href="#9102-zackefcorebatch-使用" class="hash-link" aria-label="Direct link to 9102-zackefcorebatch-使用" title="Direct link to 9102-zackefcorebatch-使用"></a></h2>
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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><code>EFCore</code> 拦截器说明</div><div class="admonitionContent_BuS1"><p>使用该第三方拓展库可能不会触发 <code>EFCore</code> 的拦截器，如 <code>DbCommandInterceptor</code>，<code>SaveChangesInterceptor</code>。</p></div></div>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="91021-安装对应的数据库-nuget-包">9.10.2.1 安装对应的数据库 <code>NuGet</code> 包<a href="#91021-安装对应的数据库-nuget-包" class="hash-link" aria-label="Direct link to 91021-安装对应的数据库-nuget-包" title="Direct link to 91021-安装对应的数据库-nuget-包"></a></h3>
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<ul>
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<li><code>MSSQL</code>：<code>Zack.EFCore.Batch.MSSQL</code></li>
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<li><code>MySql</code>：<code>Zack.EFCore.Batch.MySQL.Pomelo</code></li>
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<li><code>Npgsql</code>：<code>Zack.EFCore.Batch.Npgsql</code></li>
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<li><code>Oracle</code>：<code>Zack.EFCore.Batch.Oracle</code></li>
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<li><code>Sqlite</code>：<code>Zack.EFCore.Batch.Sqlite</code></li>
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</ul>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="91022-注册并配置服务">9.10.2.2 注册并配置服务<a href="#91022-注册并配置服务" class="hash-link" aria-label="Direct link to 9.10.2.2 注册并配置服务" title="Direct link to 9.10.2.2 注册并配置服务"></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 plain">services</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">AddDatabaseAccessor</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">options </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"> options</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">AddDbPool</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">DefaultDbContext</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">></span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token named-parameter punctuation" style="color:rgb(199, 146, 234)">providerName</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">default</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token named-parameter punctuation" style="color:rgb(199, 146, 234)">optionBuilder</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">services</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> opt</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 class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 如果是 v3.7.11 之前，使用 opt =></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"> opt</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">UseBatchEF_Sqlite</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 class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// SQlite 数据库包</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 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 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="91023-基本使用">9.10.2.3 基本使用<a href="#91023-基本使用" class="hash-link" aria-label="Direct link to 9.10.2.3 基本使用" title="Direct link to 9.10.2.3 基本使用"></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">// 批量更新</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">await</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">BatchUpdate</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">Book</span><span class="token generic-method generic class-name 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 function" style="color:rgb(130, 170, 255)">Set</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Price</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Price </span><span class="token operator" style="color:rgb(137, 221, 255)">+</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><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 function" style="color:rgb(130, 170, 255)">Set</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Title</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> s</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 function" style="color:rgb(130, 170, 255)">Set</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">AuthorName</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain">b</span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain">b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Title</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Substring</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 number" style="color:rgb(247, 140, 108)">2</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">b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">AuthorName</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ToUpper</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 function" style="color:rgb(130, 170, 255)">Set</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">PubTime</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></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 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 function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Id </span><span class="token operator" style="color:rgb(137, 221, 255)">></span><span class="token plain"> n </span><span class="token operator" style="color:rgb(137, 221, 255)">||</span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">AuthorName</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">StartsWith</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Zack"</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 function" style="color:rgb(130, 170, 255)">ExecuteAsync</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 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">// 批量删除</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">await</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">DeleteRangeAsync</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">Book</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">></span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Price </span><span class="token operator" style="color:rgb(137, 221, 255)">></span><span class="token plain"> n </span><span class="token operator" style="color:rgb(137, 221, 255)">||</span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">AuthorName </span><span class="token operator" style="color:rgb(137, 221, 255)">==</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"zack yang"</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="9103-efcorebulkextensions-使用">9.10.3 <code>EFCore.BulkExtensions</code> 使用<a href="#9103-efcorebulkextensions-使用" class="hash-link" aria-label="Direct link to 9103-efcorebulkextensions-使用" title="Direct link to 9103-efcorebulkextensions-使用"></a></h2>
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<p>通过 <code>NuGet</code> 安装 <code>EFCore.BulkExtensions</code> 包即可。</p>
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<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="91031-常见批量操作">9.10.3.1 常见批量操作<a href="#91031-常见批量操作" class="hash-link" aria-label="Direct link to 9.10.3.1 常见批量操作" title="Direct link to 9.10.3.1 常见批量操作"></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">// 批量插入</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkInsert</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkInsertAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">// 批量更新</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkUpdate</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkUpdateAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">// 批量删除</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkDelete</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkDeleteAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">// 批量插入或更新</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkInsertOrUpdate</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkInsertOrUpdateAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">// 批量插入或更新或删除</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkInsertOrUpdateOrDelete</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkInsertOrUpdateOrDeleteAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">// 批量读取多个实体</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkRead</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BulkReadAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">entitiesList</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">// 批量清空表（慎用！！！！！）</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">Truncate</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">Entity</span><span class="token generic-method generic class-name 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 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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Context</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">TruncateAsync</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">Entity</span><span class="token generic-method generic class-name 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 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="91032-查询后批量操作">9.10.3.2 查询后批量操作<a href="#91032-查询后批量操作" class="hash-link" aria-label="Direct link to 9.10.3.2 查询后批量操作" title="Direct link to 9.10.3.2 查询后批量操作"></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">// 根据条件批量删除</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">a </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> a</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ItemId </span><span class="token operator" style="color:rgb(137, 221, 255)">></span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">500</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 function" style="color:rgb(130, 170, 255)">BatchDelete</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 keyword" style="font-style:italic">await</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">a </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> a</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ItemId </span><span class="token operator" style="color:rgb(137, 221, 255)">></span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">500</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 function" style="color:rgb(130, 170, 255)">BatchDeleteAsync</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 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">// 根据条件批量更新</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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">a </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> a</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ItemId </span><span class="token operator" style="color:rgb(137, 221, 255)"><=</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">500</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 function" style="color:rgb(130, 170, 255)">BatchUpdate</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">a </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)">Item</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"> Quantity </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> a</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Quantity </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">100</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 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">repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">a </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> a</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ItemId </span><span class="token operator" style="color:rgb(137, 221, 255)"><=</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">500</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 function" style="color:rgb(130, 170, 255)">BatchUpdate</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</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)">Item</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"> Description </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"Updated"</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 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">await</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">a </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> a</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ItemId </span><span class="token operator" style="color:rgb(137, 221, 255)"><=</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">500</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 function" style="color:rgb(130, 170, 255)">BatchUpdateAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</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)">Item</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"> Description </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"Updated"</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 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">// 批量更新指定列</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"> updateColumns </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)">List</span><span class="token constructor-invocation class-name punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token constructor-invocation class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">string</span><span class="token constructor-invocation class-name punctuation" style="color:rgb(199, 146, 234)">></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 keyword" style="font-style:italic">nameof</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">Item</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Quantity</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</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><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"> q </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">a </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> a</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ItemId </span><span class="token operator" style="color:rgb(137, 221, 255)"><=</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">500</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">int</span><span class="token plain"> affected </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> q</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">BatchUpdate</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</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)">Item</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"> Description </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"Updated"</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"> updateColumns</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="91033-批量操作性能">9.10.3.3 批量操作性能<a href="#91033-批量操作性能" class="hash-link" aria-label="Direct link to 9.10.3.3 批量操作性能" title="Direct link to 9.10.3.3 批量操作性能"></a></h3>
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<table><thead><tr><th>Operations\Rows</th><th style="text-align:right">100,000 EF</th><th style="text-align:right">100,000 EFBulk</th><th style="text-align:right">1,000,000 EFBulk</th></tr></thead><tbody><tr><td>Insert</td><td style="text-align:right">38.98 s</td><td style="text-align:right">2.10 s</td><td style="text-align:right">17.99 s</td></tr><tr><td>Update</td><td style="text-align:right">109.25 s</td><td style="text-align:right">3.96 s</td><td style="text-align:right">31.45 s</td></tr><tr><td>Delete</td><td style="text-align:right">7.26 s</td><td style="text-align:right">2.04 s</td><td style="text-align:right">12.18 s</td></tr><tr><td>-----------------</td><td style="text-align:right">------------</td><td style="text-align:right">----------------</td><td style="text-align:right">------------------</td></tr><tr><td><strong>Together</strong></td><td style="text-align:right">70.70 s</td><td style="text-align:right">5.88 s</td><td style="text-align:right">56.84 s</td></tr></tbody></table>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9104-efcore-7-内置批量操作">9.10.4 <code>EFCore 7</code> 内置批量操作<a href="#9104-efcore-7-内置批量操作" class="hash-link" aria-label="Direct link to 9104-efcore-7-内置批量操作" title="Direct link to 9104-efcore-7-内置批量操作"></a></h2>
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<div class="theme-admonition theme-admonition-caution 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>非微软支持数据库适配问题</div><div class="admonitionContent_BuS1"><p>如果使用的是非微软支持的数据库，如 <code>Oracle</code>，<code>MySQL</code>，<code>PostgreSQL</code> 等，可能适配 <code>EFCore 7</code> 不及时会出现找不到方法异常。</p></div></div>
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<p><a href="https://docs.microsoft.com/zh-cn/ef/core/what-is-new/ef-core-7.0/whatsnew#executeupdate-and-executedelete-bulk-updates" target="_blank" rel="noopener noreferrer">https://docs.microsoft.com/zh-cn/ef/core/what-is-new/ef-core-7.0/whatsnew#executeupdate-and-executedelete-bulk-updates</a></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 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">// 批量删除</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"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Entities</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ExecuteDeleteAsync</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 keyword" style="font-style:italic">await</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Entities</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">t </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> t</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Text</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Contains</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">".NET"</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 function" style="color:rgb(130, 170, 255)">ExecuteDeleteAsync</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 keyword" style="font-style:italic">await</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Entities</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">t </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> t</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Posts</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">All</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">e </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> e</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">PublishedOn</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Year </span><span class="token operator" style="color:rgb(137, 221, 255)"><</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">2022</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 function" style="color:rgb(130, 170, 255)">ExecuteDeleteAsync</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 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">// 批量更新</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"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Entities</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ExecuteUpdateAsync</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"> s </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> s</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">SetProperty</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Name</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Name </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">" *Featured!*"</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 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"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Entities</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 function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">p </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> p</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">PublishedOn</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Year </span><span class="token operator" style="color:rgb(137, 221, 255)"><</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">2022</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 function" style="color:rgb(130, 170, 255)">ExecuteUpdateAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">s </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> s</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 function" style="color:rgb(130, 170, 255)">SetProperty</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Title</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Title </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">" ("</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">PublishedOn</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Year </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> </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"></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 function" style="color:rgb(130, 170, 255)">SetProperty</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Content</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> b </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Content </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">" ( This content was published in "</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> b</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">PublishedOn</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Year </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> </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 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"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Entities</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 function" style="color:rgb(130, 170, 255)">Where</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">t </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> t</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Posts</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">All</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">e </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> e</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">PublishedOn</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Year </span><span class="token operator" style="color:rgb(137, 221, 255)"><</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">2022</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 function" style="color:rgb(130, 170, 255)">ExecuteUpdateAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">s </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> s</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">SetProperty</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">t </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> t</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Text</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> t </span><span class="token operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> t</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Text </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">" (old)"</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><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="9105-反馈与建议">9.10.5 反馈与建议<a href="#9105-反馈与建议" class="hash-link" aria-label="Direct link to 9.10.5 反馈与建议" title="Direct link to 9.10.5 反馈与建议"></a></h2>
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<div class="theme-admonition theme-admonition-note admonition_xJq3 alert alert--secondary"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>与我们交流</div><div class="admonitionContent_BuS1"><p>给 Furion 提 <a href="https://gitee.com/dotnetchina/Furion/issues/new?issue" target="_blank" rel="noopener noreferrer">Issue</a>。</p></div></div>
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<div class="theme-admonition theme-admonition-note admonition_xJq3 alert alert--secondary"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>了解更多</div><div class="admonitionContent_BuS1"><p>想了解更多 <code>EFCore.BulkExtensions</code> 知识可查阅 <a href="https://github.com/borisdj/EFCore.BulkExtensions" target="_blank" rel="noopener noreferrer">EFCore.BulkExtensions 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