You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

170 lines
188 KiB
HTML

12 months ago
<!doctype html>
<html lang="en" dir="ltr" class="docs-wrapper plugin-docs plugin-id-default docs-version-current docs-doc-page docs-doc-id-dbcontext-repository" data-has-hydrated="false">
<head>
<meta charset="UTF-8">
<meta name="generator" content="Docusaurus v3.0.0">
<title data-rh="true">9.5 仓储模式 | Furion</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="http://furion.baiqian.ltd/docs/dbcontext-repository"><meta data-rh="true" property="og:locale" content="en"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="9.5 仓储模式 | Furion"><meta data-rh="true" name="description" content="📝 模块更新日志"><meta data-rh="true" property="og:description" content="📝 模块更新日志"><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="http://furion.baiqian.ltd/docs/dbcontext-repository"><link data-rh="true" rel="alternate" href="http://furion.baiqian.ltd/docs/dbcontext-repository" hreflang="en"><link data-rh="true" rel="alternate" href="http://furion.baiqian.ltd/docs/dbcontext-repository" hreflang="x-default"><link rel="alternate" type="application/rss+xml" href="/blog/rss.xml" title="Furion RSS Feed">
<link rel="alternate" type="application/atom+xml" href="/blog/atom.xml" title="Furion Atom Feed"><link rel="stylesheet" href="/assets/css/styles.3f87a095.css">
<script src="/assets/js/runtime~main.89709a83.js" defer="defer"></script>
<script src="/assets/js/main.10e5dc01.js" defer="defer"></script>
</head>
<body class="navigation-with-keyboard">
<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){try{return new URLSearchParams(window.location.search).get("docusaurus-theme")}catch(t){}}()||function(){try{return localStorage.getItem("theme")}catch(t){}}();t(null!==e?e:"light")}(),function(){try{const a=new URLSearchParams(window.location.search).entries();for(var[t,e]of a)if(t.startsWith("docusaurus-data-")){var n=t.replace("docusaurus-data-","data-");document.documentElement.setAttribute(n,e)}}catch(t){}}(),document.documentElement.setAttribute("data-announcement-bar-initially-dismissed",function(){try{return"true"===localStorage.getItem("docusaurus.announcement.dismiss")}catch(t){}return!1}())</script><div id="__docusaurus"><div class="floatbar_hUWl"><div class="qrcode_sWwE"><img title="微信扫码关注 Furion 官方公众号" src="/img/weixin_qrcode.jpg" style="display:block"><div>❤️ 关注 Furion 微信公众号有惊喜哦!</div></div><div style="display:flex;flex-direction:row-reverse;align-items:flex-start"><div class="title_SD0k">🫠 遇到问题了</div><div class="extend__5i1"><a class="item_Y35a" href="/docs/subscribe"><div style="flex:1"><div class="itemTitle_If_T">⭐️ VIP 服务 ⭐️</div><div class="itemDesc_dp7r">仅需 499 元/年,尊享 365 天项目无忧</div></div><div class="jiantou_mV_o"></div></a><div class="item_Y35a"><div style="flex:1"><div class="itemTitle_If_T">问题反馈</div><div class="itemDesc_dp7r">到 Furion 开源仓库反馈</div></div><div class="jiantou_mV_o"></div></div></div></div></div><div role="region" aria-label="Skip to main content"><a class="skipToContent_fXgn" href="#__docusaurus_skipToContent_fallback">Skip to main content</a></div><div class="announcementBar_mb4j" style="background-color:#4623d9;color:yellow" role="banner"><div class="content_knG7 announcementBarContent_xLdY">⭐️ 开通 VIP 服务仅需 499 元/年,尊享 365 天项目无忧 <a href="/docs/subscribe" style="background-color:rgb(199, 29, 36);color:#ffffff;padding:1px 10px;border-radius:3px;text-decoration:none;display:inline-block;margin:0 5px;font-size:12px;cursor:pointer;">立即开通</a>⭐️</div></div><nav aria-label="Main" class="navbar navbar--fixed-top navbarHideable_m1mJ"><div class="navbar__inner"><div class="navbar__items"><button aria-label="Toggle navigation bar" aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="2" d="M4 7h22M4 15h22M4 23h22"></path></svg></button><a class="navbar__brand" href="/"><div class="navbar__logo"><img src="/img/furionlogo.png" alt="Furion Logo" class="themedComponent_mlkZ themedComponent--light_NVdE"><img src="/img/furionlogo.png" alt="Furion Logo" class="themedComponent_mlkZ themedComponent--dark_xIcU"></div><b class="navbar__title text--truncate">Furion</b></a><a aria-current="page" class="navbar__item navbar__link navbar__link--active" href="/docs/category/appendix">文档</a><a class="navbar__item navbar__link" href="/docs/global/app">静态类</a><a class="navbar__item navbar__link" href="/docs/settings/appsettings">配置</a><a class="navbar__item navbar__link" href="/blog">博客</a><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link">更新日志</a><ul class="dropdown__menu"><li><a class="dropdown__link" href="/docs/upgrade">📝 查看日志v4.9.1.7</a></li><li><a class="dropdown__link" href="/docs/target">🚀 路线图</a></li></ul></div><a href="http://furion.baiqian.ltd/api/api" target="_blank" rel="noopener noreferrer" class="navbar__item navbar__link">API<svg width="13.5" height="13.5" aria-hidden="true" viewBox="0 0 24 24" class="iconExternalLink_nPIU"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg></a></div><div class="navbar__items navbar__it
<li>
<p><strong>新特性</strong></p>
<ul>
<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>IRepositoryFactory&lt;TEntity, TDbContextLocator&gt;</code> 仓储功能,解决在 <code>Blazor</code> 中使用 <code>EFCore</code> 问题 <sup>4.9.1.1</sup> <sup>2023.11.16</sup> <a href="https://gitee.com/dotnetchina/Furion/commit/4285ec0b8debc2d71c7f978126cb3dc394a8ad30" target="_blank" rel="noopener noreferrer">4285ec0</a> <a href="https://learn.microsoft.com/zh-cn/aspnet/core/blazor/blazor-ef-core?view=aspnetcore-7.0" target="_blank" rel="noopener noreferrer">文档说明</a></li>
</ul>
</li>
</ul></div></div></div></div></details>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="951-什么是仓储">9.5.1 什么是仓储<a href="#951-什么是仓储" class="hash-link" aria-label="Direct link to 9.5.1 什么是仓储" title="Direct link to 9.5.1 什么是仓储"></a></h2>
<blockquote>
<p>在领域层和数据映射层的中介,使用类似集合的接口来存取领域对象,实际上,仓储被用于领域对象在数据库上的操作(实体 Entity 和值对象 Value types。一般来说,我们针对不同的实体(或聚合根 Aggregate Root)会创建相对应的仓储。</p>
</blockquote>
<p>简单来说,仓储就是数据存取操作的载体,但不限定于数据库。</p>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="952-内置仓储">9.5.2 内置仓储<a href="#952-内置仓储" class="hash-link" aria-label="Direct link to 9.5.2 内置仓储" title="Direct link to 9.5.2 内置仓储"></a></h2>
<p><code>Furion</code> 框架内置了一个数据库操作的仓储,方便大家拓展和集成:</p>
<div class="theme-admonition theme-admonition-info 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>关于依赖注入说明</div><div class="admonitionContent_BuS1"><p>目前能够被依赖注入解析服务的仓储有:</p><ul>
<li><code>IRepository</code></li>
<li><code>IRepository&lt;TEntity&gt;</code></li>
<li><code>IRepository&lt;TEntity, TDbContextLocator&gt;</code></li>
<li><code>ISqlRepository</code></li>
<li><code>ISqlRepository&lt;TDbContextLocator&gt;</code></li>
<li><code>IMSRepository</code></li>
<li><code>IMSRepository&lt;TMasterDbContextLocator&gt;</code></li>
<li><code>IMSRepository&lt;TMasterDbContextLocator,...TSlaveDbContextLocator8&gt;</code></li>
<li><code>IDbRepository&lt;TDbContextLocator&gt;</code></li>
</ul><p>还有两个私有仓储,也是所有仓储的基类(用于高级自定义开发)</p><ul>
<li><code>IPrivateRepository&lt;TEntity&gt;</code>:所有实体仓储的基类</li>
<li><code>IPrivateSqlRepository</code>:所有数据库操作的基类</li>
</ul><p>除此之后的所有仓储只能通过 <code>rep.Constraint&lt;TRepository&gt;()</code> 进行约束创建,如,只读仓储:</p><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 class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> readRepository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> rep</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">Constraint</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">IReadableRepository</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">TEntity</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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></div></div>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9521-非泛型超级仓储">9.5.2.1 非泛型超级仓储<a href="#9521-非泛型超级仓储" class="hash-link" aria-label="Direct link to 9.5.2.1 非泛型超级仓储" title="Direct link to 9.5.2.1 非泛型超级仓储"></a></h3>
<ul>
<li><code>IRepository</code>:默认非泛型仓储接口,支持切换到任何仓储</li>
<li><code>EFCoreRepository</code>:默认非泛型仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9522-泛型实体仓储">9.5.2.2 泛型实体仓储<a href="#9522-泛型实体仓储" class="hash-link" aria-label="Direct link to 9.5.2.2 泛型实体仓储" title="Direct link to 9.5.2.2 泛型实体仓储"></a></h3>
<ul>
<li><code>IRepository&lt;TEntity&gt;</code>:默认数据库实体仓储接口</li>
<li><code>EFCoreRepository&lt;TEntity&gt;</code>:默认数据库实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9523-泛型多数据库实体仓储">9.5.2.3 泛型多数据库实体仓储<a href="#9523-泛型多数据库实体仓储" class="hash-link" aria-label="Direct link to 9.5.2.3 泛型多数据库实体仓储" title="Direct link to 9.5.2.3 泛型多数据库实体仓储"></a></h3>
<ul>
<li><code>IRepository&lt;TEntity, TDbContextLocator&gt;</code>:任意数据库的实体仓储接口</li>
<li><code>EFCoreRepository&lt;TEntity, TDbContextLocator&gt;</code>:任意数据库的实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9524-sql-操作仓储">9.5.2.4 <code>Sql</code> 操作仓储<a href="#9524-sql-操作仓储" class="hash-link" aria-label="Direct link to 9524-sql-操作仓储" title="Direct link to 9524-sql-操作仓储"></a></h3>
<ul>
<li><code>ISqlRepository</code>:默认数据库 <code>Sql</code> 操作仓储接口</li>
<li><code>SqlRepository</code>:默认数据库 <code>Sql</code> 操作仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9525-多数据库-sql-操作仓储">9.5.2.5 多数据库 <code>Sql</code> 操作仓储<a href="#9525-多数据库-sql-操作仓储" class="hash-link" aria-label="Direct link to 9525-多数据库-sql-操作仓储" title="Direct link to 9525-多数据库-sql-操作仓储"></a></h3>
<ul>
<li><code>ISqlRepository&lt;TDbContextLocator&gt;</code>:任意数据库的 <code>Sql</code> 操作仓储接口</li>
<li><code>SqlRepository&lt;TDbContextLocator&gt;</code>:任意数据库的 <code>Sql</code> 操作仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9526-只读实体仓储支持多库">9.5.2.6 只读实体仓储(支持多库)<a href="#9526-只读实体仓储支持多库" class="hash-link" aria-label="Direct link to 9.5.2.6 只读实体仓储(支持多库)" title="Direct link to 9.5.2.6 只读实体仓储(支持多库)"></a></h3>
<ul>
<li><code>IReadableRepository&lt;TEntity&gt;</code>:默认数据库只读实体仓储接口</li>
<li><code>IReadableRepository&lt;TEntity, TDbContextLocator&gt;</code>:多数据库只读实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9527-只写实体仓储支持多库">9.5.2.7 只写实体仓储(支持多库)<a href="#9527-只写实体仓储支持多库" class="hash-link" aria-label="Direct link to 9.5.2.7 只写实体仓储(支持多库)" title="Direct link to 9.5.2.7 只写实体仓储(支持多库)"></a></h3>
<ul>
<li><code>IWritableRepository&lt;TEntity&gt;</code>:默认数据库只写实体仓储接口</li>
<li><code>IWritableRepository&lt;TEntity, TDbContextLocator&gt;</code>:多数据库只写实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9528-只允许新增实体仓储支持多库">9.5.2.8 只允许新增实体仓储(支持多库)<a href="#9528-只允许新增实体仓储支持多库" class="hash-link" aria-label="Direct link to 9.5.2.8 只允许新增实体仓储(支持多库)" title="Direct link to 9.5.2.8 只允许新增实体仓储(支持多库)"></a></h3>
<ul>
<li><code>IInsertableRepository&lt;TEntity&gt;</code>:默认数据库只允许新增的实体仓储接口</li>
<li><code>IInsertableRepository&lt;TEntity, TDbContextLocator&gt;</code>:多数据库只允许新增的实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9529-只允许更新实体仓储支持多库">9.5.2.9 只允许更新实体仓储(支持多库)<a href="#9529-只允许更新实体仓储支持多库" class="hash-link" aria-label="Direct link to 9.5.2.9 只允许更新实体仓储(支持多库)" title="Direct link to 9.5.2.9 只允许更新实体仓储(支持多库)"></a></h3>
<ul>
<li><code>IUpdateableRepository&lt;TEntity&gt;</code>:默认数据库只允许更新的实体仓储接口</li>
<li><code>IUpdateableRepository&lt;TEntity, TDbContextLocator&gt;</code>:多数据库只允许更新的实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="95210-只允许删除实体仓储支持多库">9.5.2.10 只允许删除实体仓储(支持多库)<a href="#95210-只允许删除实体仓储支持多库" class="hash-link" aria-label="Direct link to 9.5.2.10 只允许删除实体仓储(支持多库)" title="Direct link to 9.5.2.10 只允许删除实体仓储(支持多库)"></a></h3>
<ul>
<li><code>IDeletableRepository&lt;TEntity&gt;</code>:默认数据库只允许删除的实体仓储接口</li>
<li><code>IDeletableRepository&lt;TEntity, TDbContextLocator&gt;</code>:多数据库只允许删除的实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="95211-只允许拓展操作实体仓储支持多库">9.5.2.11 只允许拓展操作实体仓储(支持多库)<a href="#95211-只允许拓展操作实体仓储支持多库" class="hash-link" aria-label="Direct link to 9.5.2.11 只允许拓展操作实体仓储(支持多库)" title="Direct link to 9.5.2.11 只允许拓展操作实体仓储(支持多库)"></a></h3>
<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>功能移除声明</div><div class="admonitionContent_BuS1"><p>该功能在 <code>Furion 2.5.1 +</code> 版本中已移除。此操作让很多不了解 <code>EFCore</code> 的开发者产生了很大的误解,不知何时新增或何时更新,故移除此功能。</p></div></div>
<ul>
<li><code>IOperableRepository&lt;TEntity&gt;</code>:默认数据库只允许拓展操作实体仓储接口</li>
<li><code>IOperableRepository&lt;TEntity, TDbContextLocator&gt;</code>:多数据库只允许拓展操作实体仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="95212-只允许-sql-查询仓储支持多库">9.5.2.12 只允许 <code>Sql</code> 查询仓储(支持多库)<a href="#95212-只允许-sql-查询仓储支持多库" class="hash-link" aria-label="Direct link to 95212-只允许-sql-查询仓储支持多库" title="Direct link to 95212-只允许-sql-查询仓储支持多库"></a></h3>
<ul>
<li><code>ISqlReaderRepository</code>:默认数据库只允许 <code>Sql</code> 查询仓储接口</li>
<li><code>ISqlReaderRepository&lt;TDbContextLocator&gt;</code>:多数据库只允许 <code>Sql</code> 查询仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="95213-只允许-sql-非查询仓储支持多库">9.5.2.13 只允许 <code>Sql</code> 非查询仓储(支持多库)<a href="#95213-只允许-sql-非查询仓储支持多库" class="hash-link" aria-label="Direct link to 95213-只允许-sql-非查询仓储支持多库" title="Direct link to 95213-只允许-sql-非查询仓储支持多库"></a></h3>
<ul>
<li><code>ISqlExecutableRepository</code>:默认数据库只允许 <code>Sql</code> 非查询仓储接口</li>
<li><code>ISqlExecutableRepository&lt;TDbContextLocator&gt;</code>:多数据库只允许 <code>Sql</code> 非查询仓储实现</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="95214-读写分离仓储">9.5.2.14 读写分离仓储<a href="#95214-读写分离仓储" class="hash-link" aria-label="Direct link to 9.5.2.14 读写分离仓储" title="Direct link to 9.5.2.14 读写分离仓储"></a></h3>
<ul>
<li><code>IMSRepository</code>:最多支持 <strong>一主 7 从</strong> 仓储</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="95215-定位器仓储">9.5.2.15 定位器仓储<a href="#95215-定位器仓储" class="hash-link" aria-label="Direct link to 9.5.2.15 定位器仓储" title="Direct link to 9.5.2.15 定位器仓储"></a></h3>
<ul>
<li><code>IDbRepository&lt;TDbContextLocator&gt;</code>:初始化特定数据库仓储</li>
</ul>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="95215-仓储工厂">9.5.2.15 仓储工厂<a href="#95215-仓储工厂" class="hash-link" aria-label="Direct link to 9.5.2.15 仓储工厂" title="Direct link to 9.5.2.15 仓储工厂"></a></h3>
<ul>
<li><code>IRepositoryFactory&lt;TEntity&gt;</code>:创建新的未释放的 <code>IRepository&lt;TEntity&gt;</code> 仓储,<code>Furion 4.9.1.1+</code> 支持</li>
<li><code>IRepositoryFactory&lt;TEntity, TDbContextLocator&gt;</code>:创建新的未释放的 <code>IRepository&lt;TEntity, TDbContextLocator&gt;</code> 仓储,<code>Furion 4.9.1.1+</code> 支持</li>
</ul>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="953-仓储使用">9.5.3 仓储使用<a href="#953-仓储使用" class="hash-link" aria-label="Direct link to 9.5.3 仓储使用" title="Direct link to 9.5.3 仓储使用"></a></h2>
<p><code>Furion</code> 提供了非常多的方式创建仓储,目的是为了让大家可以在不同的场景中使用。</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9531-构造函数注入">9.5.3.1 构造函数注入<a href="#9531-构造函数注入" class="hash-link" aria-label="Direct link to 9.5.3.1 构造函数注入" title="Direct link to 9.5.3.1 构造函数注入"></a></h3>
<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 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)">IRepository</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">Person</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> _personRepository</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">public</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">FurionService</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">IRepository</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">Person</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> personRepository</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"> _personRepository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> personRepository</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>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9532-方法参数注入">9.5.3.2 方法参数注入<a href="#9532-方法参数注入" class="hash-link" aria-label="Direct link to 9.5.3.2 方法参数注入" title="Direct link to 9.5.3.2 方法参数注入"></a></h3>
<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">public</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 return-type class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token return-type class-name" style="color:rgb(255, 203, 107)">List</span><span class="token return-type class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token return-type class-name" style="color:rgb(255, 203, 107)">PersonDto</span><span class="token return-type class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token return-type class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">GetAll</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 attribute class-name" style="color:rgb(255, 203, 107)">FromServices</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">IRepository</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">Person</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> repository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">string</span><span class="token plain"> keyword</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 class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> persons </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">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)">AsQueryable</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)">ToListAsync</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><s
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9533-dbgetrepository-获取">9.5.3.3 <code>Db.GetRepository</code> 获取<a href="#9533-dbgetrepository-获取" class="hash-link" aria-label="Direct link to 9533-dbgetrepository-获取" title="Direct link to 9533-dbgetrepository-获取"></a></h3>
<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">// 非泛型仓储</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"> repository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Db</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetRepository</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">// 泛型仓储</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"> repository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Db</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">GetRepository</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">Person</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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">// Sql 仓储</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"> sqlRepository </span><span class="token operat
<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>特别说明</div><div class="admonitionContent_BuS1"><p>不管采用哪种方式,<code>Furion</code> 都保证了仓储一次请求唯一性。同时 <code>Db.GetRepository&lt;TEntity&gt;()</code> 方式支持任何静态类中使用。</p></div></div>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="954-仓储高级用法">9.5.4 仓储高级用法<a href="#954-仓储高级用法" class="hash-link" aria-label="Direct link to 9.5.4 仓储高级用法" title="Direct link to 9.5.4 仓储高级用法"></a></h2>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9541-动态切换实体仓储">9.5.4.1 动态切换实体仓储<a href="#9541-动态切换实体仓储" class="hash-link" aria-label="Direct link to 9.5.4.1 动态切换实体仓储" title="Direct link to 9.5.4.1 动态切换实体仓储"></a></h3>
<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 class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> userRepository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> personRepository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">Change</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">User</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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 class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> userRepository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> personRepository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">Change</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">User</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)"> MasterDbContextLocator</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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">// 还可以基于定位器切换</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>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9542-动态切换仓储类型">9.5.4.2 动态切换仓储类型<a href="#9542-动态切换仓储类型" class="hash-link" aria-label="Direct link to 9.5.4.2 动态切换仓储类型" title="Direct link to 9.5.4.2 动态切换仓储类型"></a></h3>
<p>比如,读写分离/主从库仓储:</p>
<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">// 只读仓储</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"> readRepository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> personRepository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">Constraint</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">IReadableRepository</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">User</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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">// 只写仓储</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"> writeRepository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> personRepository</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">Constraint</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">IWritableRepository</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">User</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199
<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>小知识</div><div class="admonitionContent_BuS1"><p><code>.Constraint</code> 支持切换任何仓储类型。</p></div></div>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9543-获取-sql-操作仓储">9.5.4.3 获取 <code>Sql</code> 操作仓储<a href="#9543-获取-sql-操作仓储" class="hash-link" aria-label="Direct link to 9543-获取-sql-操作仓储" title="Direct link to 9543-获取-sql-操作仓储"></a></h3>
<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 class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> sqlRepository </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)">Sql</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>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="955-多数据库操作">9.5.5 多数据库操作<a href="#955-多数据库操作" class="hash-link" aria-label="Direct link to 9.5.5 多数据库操作" title="Direct link to 9.5.5 多数据库操作"></a></h2>
<p><code>Furion</code> 通过 <code>DbContextLocator</code> 数据库上下文定位器实现多种数据库操作,可以随意切换数据库</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="9551-动态切换多个数据库">9.5.5.1 动态切换多个数据库<a href="#9551-动态切换多个数据库" class="hash-link" aria-label="Direct link to 9.5.5.1 动态切换多个数据库" title="Direct link to 9.5.5.1 动态切换多个数据库"></a></h3>
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="动态切换数据库">动态切换数据库<a href="#动态切换数据库" class="hash-link" aria-label="Direct link to 动态切换数据库" title="Direct link to 动态切换数据库"></a></h4>
<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">// 切换到 MSSQL 操作 Person表</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"> mssqlRepository </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 generic-method function" style="color:rgb(130, 170, 255)">Change</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">Person</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)"> MsSqlDbContextLocator</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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">// 切换到 MySql 操作 Person表</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"> mysqlRepository </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 generic-method function" style="color:rgb(130, 170, 255)">Change</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">Person</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)"> MySqlDbContextLocator</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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="colo
<h4 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="另外任何仓储或实体配置都支持多个数据库同时操作">另外任何仓储或实体配置都支持多个数据库同时操作<a href="#另外任何仓储或实体配置都支持多个数据库同时操作" class="hash-link" aria-label="Direct link to 另外任何仓储或实体配置都支持多个数据库同时操作" title="Direct link to 另外任何仓储或实体配置都支持多个数据库同时操作"></a></h4>
<p>仓储方式</p>
<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">IRepository</span><span class="token operator" style="color:rgb(137, 221, 255)">&lt;</span><span class="token plain">Person</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> MsSqlDbContextLocator</span><span class="token operator" style="color:rgb(137, 221, 255)">&gt;</span><span class="token plain"> mssqlRepository</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 class-name" style="color:rgb(255, 203, 107)">ISqlRepository</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">MsSqlDbContextLocator</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> mssqlRepository</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>
<p>动态 <code>sql</code> 方式</p>
<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 string" style="color:rgb(195, 232, 141)">&quot;select * from person&quot;</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">Change</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token generic-method generic class-name" style="color:rgb(255, 203, 107)">MsSqlDbContextLocator</span><span class="token generic-method generic class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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)">SqlQuery</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>
<p>实体配置方式</p>
<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 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)">User</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token type-list class-name" style="color:rgb(255, 203, 107)">Entity</span><span class="token type-list class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token type-list class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">int</span><span class="token type-list class-name punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token type-list class-name" style="color:rgb(255, 203, 107)"> MsSqlDbContextLocator</span><span class="token type-list class-name punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token type-list class-name" style="color:rgb(255, 203, 107)"> MySqlDbContextLocator</span><span class="token type-list class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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>
<p><code>Sql</code> 代理方式</p>
<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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">SqlFunction</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token attribute attribute-arguments string" style="color:rgb(195, 232, 141)">&quot;funcName&quot;</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token attribute attribute-arguments"> DbContextLocator </span><span class="token attribute attribute-arguments operator" style="color:rgb(137, 221, 255)">=</span><span class="token attribute attribute-arguments"> </span><span class="token attribute attribute-arguments keyword" style="font-style:italic">typeof</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token attribute attribute-arguments type-expression class-name" style="color:rgb(255, 203, 107)">MySqlDbContextLocator</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token attribute attribute-arguments 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 return-type class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">int</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">GetAge</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">int</span><span class="token plain"> id</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>
<p><code>Linq</code> 中方式</p>
<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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">QueryableFunction</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token attribute attribute-arguments string" style="color:rgb(195, 232, 141)">&quot;funcName&quot;</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token attribute attribute-arguments string" style="color:rgb(195, 232, 141)">&quot;dbo&quot;</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token attribute attribute-arguments"> DbContextLocator </span><span class="token attribute attribute-arguments operator" style="color:rgb(137, 221, 255)">=</span><span class="token attribute attribute-arguments"> </span><span class="token attribute attribute-arguments keyword" style="font-style:italic">typeof</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token attribute attribute-arguments type-expression class-name" style="color:rgb(255, 203, 107)">MySqlDbContextLocator</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token attribute attribute-arguments 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 return-type class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">string</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">GetName</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 operator" style="color:rgb(137, 221, 255)">=&gt;</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">throw</span><span class="token plain"> Oops</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Oh</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;不支持该数据库操作&quot;</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>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="956-在后台任务中使用">9.5.6 在后台任务中使用<a href="#956-在后台任务中使用" class="hash-link" aria-label="Direct link to 9.5.6 在后台任务中使用" title="Direct link to 9.5.6 在后台任务中使用"></a></h2>
<p>由于 <code>DbContext</code> 默认注册为 <code>Scoped</code> 生存周期,所以在后台任务中使用 <code>IServiceScopeFactory</code> 获取所有服务,如:</p>
<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 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)">JobService</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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 日志对象</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 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)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">JobService</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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" 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">// 服务工厂</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)">IServiceScopeFactory</span><span class="token plain"> _scopeFactory</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">public</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">JobService<
<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>数据库操作注意</div><div class="admonitionContent_BuS1"><p>如果作用域中对<strong>数据库有任何变更操作</strong>,需手动调用 <code>SaveChanges</code> 或带 <code>Now</code> 结尾的方法。也可以使用 <code>Scoped.CreateUow(handler)</code> 代替。</p></div></div>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="957-自定义仓储">9.5.7 自定义仓储<a href="#957-自定义仓储" class="hash-link" aria-label="Direct link to 9.5.7 自定义仓储" title="Direct link to 9.5.7 自定义仓储"></a></h2>
<p>有些时候我们需要自定义仓储,拓展现有的仓储功能,可参考以下代码(含定位器仓储和默认仓储实现)</p>
<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">/// &lt;summary&gt;</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">/// 自定义仓储接口</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">/// &lt;/summary&gt;</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">/// &lt;typeparam name=&quot;TEntity&quot;&gt;&lt;/typeparam&gt;</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">/// &lt;typeparam name=&quot;TDbContextLocator&quot;&gt;&lt;/typeparam&gt;</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">public</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">interface</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">IMyRepository</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">TEntity</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)"> TDbContextLocator</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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)">IPrivateRepository</span><span class="token type-list class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token type-list class-name" style="color:rgb(255, 203, 107)">TEntity</span><span class="token type-list class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</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">where</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">TEntity</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 keyword" style="font-style:italic">class</span><span cl
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="958-仓储工厂-irepositoryfactorytentity">9.5.8 仓储工厂 <code>IRepositoryFactory&lt;TEntity&gt;</code><a href="#958-仓储工厂-irepositoryfactorytentity" class="hash-link" aria-label="Direct link to 958-仓储工厂-irepositoryfactorytentity" title="Direct link to 958-仓储工厂-irepositoryfactorytentity"></a></h2>
<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 4.9.1.1 +</code> 版本使用。</p></div></div>
<p>有时候我们希望可以通过类型 <code>new</code> 的方式创建一个 <code>IRepository&lt;TEntity&gt;</code> 实例,然后通过 <code>using</code> 实现手动释放,如:</p>
<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 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)">YourAppServices</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)">IDynamicApiController</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)">IRepositoryFactory</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">Person</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> _repositoryFactory</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">public</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">YourAppServices</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">IRepositoryFactory</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">Person</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> repositoryFactory</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"> _repositoryFactory </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> repositoryFactory</span><span class="toke
<p>这样的功能非常适用于多线程或者 <code>Blazor</code> 项目中(<a href="https://learn.microsoft.com/zh-cn/aspnet/core/blazor/blazor-ef-core?view=aspnetcore-7.0" target="_blank" rel="noopener noreferrer">相关文档</a>),如:</p>
<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 plain">@inject </span><span class="token class-name" style="color:rgb(255, 203, 107)">IRepositoryFactory</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token class-name" style="color:rgb(255, 203, 107)">Person</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> Factory</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">// 可以注入多个</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">private</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)">GetListAsync</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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 别忘记 using</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">using</span><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"> repository </span><span class="token operator" style="color:rgb(137, 221, 255)">=</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)">CreateRepository</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">// 也可以通过 using var dbContext = Db.CreateDbContext() 获取新的 DbContext</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="959-反馈与建议">9.5.9 反馈与建议<a href="#959-反馈与建议" class="hash-link" aria-label="Direct link to 9.5.9 反馈与建议" title="Direct link to 9.5.9 反馈与建议"></a></h2>
<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></div><footer class="theme-doc-footer docusaurus-mt-lg"><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><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a class="ass_kwc6" style="margin:0;margin-bottom:10px;height:80px;z-index:999" href="/docs/subscribe"><div class="title_MSGy">开通 VIP 服务尊享一对一技术指导</div><div class="progress_esN_"><div class="number_F0eG">344</div><div class="percent_Dln9"><div class="current_QYTp" style="width:34.4%"></div></div><div class="number_F0eG">1000</div></div></a><a href="https://gitee.com/dotnetchina/Furion/tree/v4/handbook/docs/dbcontext-repository.mdx" target="_blank" rel="noopener noreferrer" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_VsjB"><div class="donate_FEDP" style="margin:0;margin-bottom:10px;border:2px solid #ffb02e;margin-top:-4px" title="您的支持是我们坚持完善下去的动力!"><div style="position:relative;margin-right:9px"><img src="/img/donateme.png" style="height:100%;max-height:100%;display:block;min-width:70px" alt="赞助 Furion"><span style="position:absolute;top:25px;left:0;right:0;font-size:12px;z-index:1;text-align:center;color:white;font-weight:bold;background-color:rgba(0, 0, 0, 0.4)">查看大图</span></div><div style="display:flex;flex:1;flex-direction:column;justify-content:space-between;padding:5px 0 5px 0"><h3 style="font-weight:500;font-size:17px;margin:4px 0 0 0;text-align:left;background:linear-gradient(to right, red, blue);background-clip:text;-webkit-background-clip:text;color:transparent;white-space:nowrap;cursor:pointer">谢谢您对 Furion 的认可!</h3><div style="display:flex;justify-content:space-between;white-space:nowrap;margin-top:10px"><span style="font-size:12px;color:#ccc">微信ibaiqian</span><a href="https://gitee.com/dotnetchina/Furion" style="margin-right:6px" target="_blank"><img src="https://gitee.com/dotnetchina/Furion/badge/star.svg?theme=white" alt="star"></a></div></div></div><span class="theme-last-updated">Last updated<!-- --> on <b><time datetime="2023-11-22T05:33:04.000Z">Nov 22, 2023</time></b> by <b>百小僧</b></span></div></div><a style="display:flex;width:100%;box-sizing:border-box;align-items:center;justify-content:space-between;padding-left:5px" title="⭐️ 开通 VIP 服务仅需 499 元/年,尊享 365 天项目无忧2323 ⭐️" href="/docs/subscribe"><div style="flex:1;margin:5px 5px 5p
</body>
</html>