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<p><strong>新特性</strong></p>
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<li> <label class="label_p8vM" title="新增" style="background-color:#39b54a"><svg viewBox="0 0 1024 1024" width="14px" height="14px" style="display:block" class="icon_knQK"><path d="M512 71.68c-242.688 0-440.32 197.632-440.32 440.32s197.632 440.32 440.32 440.32 440.32-197.632 440.32-440.32-197.632-440.32-440.32-440.32z m0 819.2c-208.896 0-378.88-169.984-378.88-378.88s169.984-378.88 378.88-378.88 378.88 169.984 378.88 378.88-169.984 378.88-378.88 378.88z" fill="white"></path><path d="M542.72 261.12H481.28v220.16H261.12v61.44h220.16v220.16h61.44v-220.16h220.16V481.28h-220.16z" fill="white"></path></svg> <!-- -->新增</label> <code>.m3u8</code> 和 <code>.ts</code> 文件类型 <code>MIME</code> 支持 <sup>4.8.7.5</sup> <sup>⏱️2023.03.07</sup> <a href="https://gitee.com/dotnetchina/Furion/issues/I6KKEM" target="_blank" rel="noopener noreferrer">#I6KKEM</a></li>
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<div class="theme-admonition theme-admonition-important admonition_xJq3 alert alert--info"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M7 2.3c3.14 0 5.7 2.56 5.7 5.7s-2.56 5.7-5.7 5.7A5.71 5.71 0 0 1 1.3 8c0-3.14 2.56-5.7 5.7-5.7zM7 1C3.14 1 0 4.14 0 8s3.14 7 7 7 7-3.14 7-7-3.14-7-7-7zm1 3H6v5h2V4zm0 6H6v2h2v-2z"></path></svg></span>版本说明</div><div class="admonitionContent_BuS1"><p>以下内容仅限 <code>Furion 2.5.0 +</code> 版本使用。</p></div></div>
<!-- -->
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="311-关于文件系统">31.1 关于文件系统<a href="#311-关于文件系统" class="hash-link" aria-label="Direct link to 31.1 关于文件系统" title="Direct link to 31.1 关于文件系统">​</a></h2>
<p>本章所谓的 <code>文件系统</code> 有点名不副实，其实根本算不上一个系统，它仅仅是利用一个抽象化的 <code>IFileProvider</code> 以统一的方式提供所需的文件而已。通过该 <code>文件系统</code> 可以读取物理文件和嵌入资源文件，包括目录结果读取，文件内容读取，文件内容监听等等。</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3111-文件系统类型">31.1.1 文件系统类型<a href="#3111-文件系统类型" class="hash-link" aria-label="Direct link to 31.1.1 文件系统类型" title="Direct link to 31.1.1 文件系统类型">​</a></h3>
<p><code>Furion</code> 提供了两种文件系统类型：</p>
<ul>
<li><code>Physical</code>：物理文件系统类型，也就是物理机中实际存在的文件</li>
<li><code>Embedded</code>：嵌入资源文件系统类型，也就是资源文件嵌入到了程序集中，常用于模块化开发</li>
</ul>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="312-注册虚拟文件系统服务">31.2 注册虚拟文件系统服务<a href="#312-注册虚拟文件系统服务" class="hash-link" aria-label="Direct link to 31.2 注册虚拟文件系统服务" title="Direct link to 31.2 注册虚拟文件系统服务">​</a></h2>
<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)">AddVirtualFileServer</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="313-获取文件系统-ifileprovider-实例">31.3 获取文件系统 <code>IFileProvider</code> 实例<a href="#313-获取文件系统-ifileprovider-实例" class="hash-link" aria-label="Direct link to 313-获取文件系统-ifileprovider-实例" title="Direct link to 313-获取文件系统-ifileprovider-实例">​</a></h2>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3131-funcfileprovidertypes-object-ifileprovider-方式">31.3.1 <code>Func&lt;FileProviderTypes, object, IFileProvider&gt;</code> 方式<a href="#3131-funcfileprovidertypes-object-ifileprovider-方式" class="hash-link" aria-label="Direct link to 3131-funcfileprovidertypes-object-ifileprovider-方式" title="Direct link to 3131-funcfileprovidertypes-object-ifileprovider-方式">​</a></h3>
<p><code>Furion</code> 框架提供了 <code>Func&lt;FileProviderTypes, object, IFileProvider&gt;</code> 委托供构造函数注入或解析服务，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)">PersonServices</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)">IFileProvider</span><span class="token plain"> _physicalFileProvider</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)">IFileProvider</span><span class="token plain"> _embeddedFileProvider</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)">PersonServices</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">Func</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)">FileProviderTypes</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)"> </span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">object</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)"> IFileProvider</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> fileProviderResolve</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"><
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3132-fs-静态类方式">31.3.2 <code>FS</code> 静态类方式<a href="#3132-fs-静态类方式" class="hash-link" aria-label="Direct link to 3132-fs-静态类方式" title="Direct link to 3132-fs-静态类方式">​</a></h3>
<p><code>Furion</code> 框架也提供了 <code>FS</code> 静态类方式创建，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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 解析物理文件系统</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"> physicalFileProvider </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> FS</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetPhysicalFileProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">@&quot;c:/test&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 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">// 解析嵌入资源文件系统</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"> embeddedFileProvider </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> FS</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetEmbeddedFileProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">Assembly</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetEntryAssembly</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 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="314-ifileprovider-常见操作">31.4 <code>IFileProvider</code> 常见操作<a href="#314-ifileprovider-常见操作" class="hash-link" aria-label="Direct link to 314-ifileprovider-常见操作" title="Direct link to 314-ifileprovider-常见操作">​</a></h2>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3141-读取文件内容">31.4.1 读取文件内容<a href="#3141-读取文件内容" class="hash-link" aria-label="Direct link to 31.4.1 读取文件内容" title="Direct link to 31.4.1 读取文件内容">​</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">byte</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> buffer</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">using</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">Stream</span><span class="token plain"> readStream </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> _fileProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetFileInfo</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;你的文件路径&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 class="token function" style="color:rgb(130, 170, 255)">CreateReadStream</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> buffer </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 keyword" style="color:rgb(255, 203, 107);font-style:italic">byte</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">readStream</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Length</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"> readStream</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ReadAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">bu
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3142-获取文件目录内容需递归查找">31.4.2 获取文件目录内容（需递归查找）<a href="#3142-获取文件目录内容需递归查找" class="hash-link" aria-label="Direct link to 31.4.2 获取文件目录内容（需递归查找）" title="Direct link to 31.4.2 获取文件目录内容（需递归查找）">​</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"> rootPath </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)">&quot;当前目录路径&quot;</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"> fileinfos </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> _fileProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetDirectoryContents</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">rootPath</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">foreach</span><span class="token plain"> </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">var</span><span class="token plain"> fileinfo </span><span class="token keyword" style="font-style:italic">in</span><span class="token plain"> fileinfos</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">if</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">fileinfo</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">IsDirectory</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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 这里递归。。。</span><span class="token plain"></span></span
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3143-监听文件变化">31.4.3 监听文件变化<a href="#3143-监听文件变化" class="hash-link" aria-label="Direct link to 31.4.3 监听文件变化" title="Direct link to 31.4.3 监听文件变化">​</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 plain">ChangeToken</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">OnChange</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 operator" style="color:rgb(137, 221, 255)">=&gt;</span><span class="token plain"> _fileProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Watch</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;监听的文件&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 class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=&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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 这里写你的逻辑</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>
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="315-模块化静态资源配置">31.5 模块化静态资源配置<a href="#315-模块化静态资源配置" class="hash-link" aria-label="Direct link to 31.5 模块化静态资源配置" title="Direct link to 31.5 模块化静态资源配置">​</a></h2>
<p>通常我们采用模块化开发，静态资源都是嵌入进程序集中，这时候我们需要通过配置 <code>UseFileServer</code> 指定模块静态资源路径，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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 默认静态资源调用，wwwroot</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">app</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">UseStaticFiles</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">// 配置模块化静态资源</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">app</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">UseFileServer</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)">FileServerOptions</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"> FileProvider </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)">EmbeddedFileProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">模块程序集</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"> RequestPath </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)">&quot;/模块名称&quot;</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span cl
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="316-文件上传下载">31.6 文件上传下载<a href="#316-文件上传下载" class="hash-link" aria-label="Direct link to 31.6 文件上传下载" title="Direct link to 31.6 文件上传下载">​</a></h2>
<p>在应用开发中，文件上传下载属于非常常用的功能，这里贴出常见的文件上传下载示例。</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3161-文件下载">31.6.1 文件下载<a href="#3161-文件下载" class="hash-link" aria-label="Direct link to 31.6.1 文件下载" title="Direct link to 31.6.1 文件下载">​</a></h3>
<ul>
<li>文件路径的方式</li>
</ul>
<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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">HttpGet</span><span class="token attribute punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token attribute"> </span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">NonUnify</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 return-type class-name" style="color:rgb(255, 203, 107)">IActionResult</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">FileDownload</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">string</span><span class="token plain"> filePath </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)">&quot;这里获取完整的文件下载路径&quot;</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">return</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)">FileStreamResult</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)">FileStream</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">filePath</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> FileMode</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Open</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 string" style="color:rgb(195, 232, 141)">&quot;application/octet-stream&quot;</span><span class="token
<ul>
<li><code>byte[]</code> 方式</li>
</ul>
<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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">HttpGet</span><span class="token attribute punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token attribute"> </span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">NonUnify</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 return-type class-name" style="color:rgb(255, 203, 107)">IActionResult</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">FileDownload</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 keyword" style="font-style:italic">return</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)">FileContentResult</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token keyword" style="font-style:italic">byte</span><span class="token plain">数组</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">&quot;application/octet-stream&quot;</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"> FileDownloadName </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> fileName </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 配置文件下载显示名</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(1
<ul>
<li><code>stream</code> 方式</li>
</ul>
<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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">HttpGet</span><span class="token attribute punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token attribute"> </span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">NonUnify</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 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)">IActionResult</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)">FileDownload</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 keyword" style="font-style:italic">var</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">stream</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"> </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"> </span><span class="token string" style="color:rgb(195, 232, 141)">&quot;http://furion.baiqian.ltd/img/rm1.png&quot;</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetAsStreamAsync</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="c
<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>关于前端获取文件名</div><div class="admonitionContent_BuS1"><p>如果前端获取不到文件，可添加以下配置：</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">_httpContextAccessor</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">HttpContext</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Response</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Headers</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Add</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;Content-Disposition&quot;</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token interpolation-string string" style="color:rgb(195, 232, 141)">$&quot;attachment; filename=</span><span class="token interpolation-string interpolation punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token interpolation-string interpolation expression language-csharp">文件名</span><span class="token interpolation-string interpolation punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token interpolation-string string" style="color:rgb(195, 232, 141)">&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 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">_httpContextAccessor</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">HttpContext</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Response</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Headers</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Add</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;Access-Control-Expose-Headers&quot;</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">&quot;Content-Disposition&quot;</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="co
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3162-文件上传">31.6.2 文件上传<a href="#3162-文件上传" class="hash-link" aria-label="Direct link to 31.6.2 文件上传" title="Direct link to 31.6.2 文件上传">​</a></h3>
<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>小提醒</div><div class="admonitionContent_BuS1"><p><code>IFormFile</code> 类型对应前端的 <code>Content-Type</code> 为： <code>multipart/form-data</code></p></div></div>
<ul>
<li><strong>单文件 <code>IFormFile</code> 类型参数（存储到硬盘）</strong></li>
</ul>
<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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">HttpPost</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 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 keyword" style="color:rgb(255, 203, 107);font-style:italic">string</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)">UploadFileAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">IFormFile</span><span class="token plain"> file</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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 如：保存到网站根目录下的 uploads 目录</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"> savePath </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Path</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Combine</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">App</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">HostEnvironment</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ContentRootPath</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">&quot;uploads&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 class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span cl
<ul>
<li><strong>单文件 <code>Base64</code> 类型参数（存储到硬盘）</strong></li>
</ul>
<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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">HttpPost</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 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 keyword" style="color:rgb(255, 203, 107);font-style:italic">string</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)">UploadFileAsync</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)">FromBody</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"> fileBase64</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"> clientFileName</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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 如：保存到网站根目录下的 uploads 目录</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"> savePath </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Path</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Combine</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">App</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">HostEnvironment</span><span class="token punct
<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>特别注意</div><div class="admonitionContent_BuS1"><p>文件 <code>Base64</code> 字符串如果带 <code>data:text/plain;base64,</code> 开头则，需要手动去掉 <code>,</code> 之前（含逗号）的字符串。</p></div></div>
<ul>
<li><strong>多文件 <code>List&lt;IFormFile&gt;</code> 类型参数（存储到硬盘）</strong></li>
</ul>
<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>参数提示</div><div class="admonitionContent_BuS1"><p>通常多文件上传用的最多的是 <code>List&lt;IFormFile&gt; files</code> 参数，但 <code>.NET5+</code> 更推荐使用 <code>IFormFileCollection files</code>。</p></div></div>
<p>代码和 <code>单文件处理一致</code>，只需 <code>foreach</code> 即可。</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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">HttpPost</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 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 keyword" style="color:rgb(255, 203, 107);font-style:italic">object</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)">UploadFileAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">List</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)">IFormFile</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain"> files</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">// 可改为 IFormFileCollection files</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">// 保存到网站根目录下的 uploads 目录</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"> savePath </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Path</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Combine</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">App</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">HostEnvironment</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">ContentRootPath</span><span class="token punctuation" style="color:rgb(199,
<ul>
<li><strong>多文件 <code>List&lt;string&gt;</code> <code>Base64</code> 类型参数（存储到硬盘）</strong></li>
</ul>
<p>代码和 <code>单文件处理一致</code>，只需 <code>foreach</code> 即可（参上）。</p>
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3163-将-iformfile-转-byte">31.6.3 将 <code>IFormFile</code> 转 <code>byte[]</code><a href="#3163-将-iformfile-转-byte" class="hash-link" aria-label="Direct link to 3163-将-iformfile-转-byte" title="Direct link to 3163-将-iformfile-转-byte">​</a></h3>
<p>有时候我们需要将文件转换成 <code>byte[]</code> 存储到数据库，而不是存储到硬盘中。</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)">HttpPost</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 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)">IActionResult</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)">UploadFileAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">IFormFile</span><span class="token plain"> file</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> fileLength </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> file</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Length</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">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"> stream </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> file</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">OpenReadStream</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 theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLin
<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>便捷拓展方法</div><div class="admonitionContent_BuS1"><p>在 Furion <code>v3.2.0</code> 新增了 <code>IFormFile</code> 的 <code>ToByteArray</code> 拓展，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 punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">HttpPost</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 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)">IActionResult</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)">UploadFileAsync</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token class-name" style="color:rgb(255, 203, 107)">IFormFile</span><span class="token plain"> file</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"> </span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> bytes </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> file</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">ToByteArray</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"></spa
<li>编辑启动层 <code>YourPoject.Web.Entry.csproj</code> 项目，添加以下代码：</li>
</ul><div class="language-xml codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-xml 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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">ItemGroup</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">Content</span><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag attr-name" style="color:rgb(255, 203, 107)">Include</span><span class="token tag attr-value punctuation attr-equals" style="color:rgb(199, 146, 234)">=</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">&quot;</span><span class="token tag attr-value" style="color:rgb(255, 85, 114)">uploads\**\*</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">&quot;</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">CopyToOutputDirectory</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</span><span class="token plain">PreserveNewest</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&lt;/</span><span class="token tag" style="color:rgb(255, 85, 114)">CopyToOutputDirectory</span><span class="token tag 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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;/</span><span class="token tag" style="color:rgb(255, 85, 114)">Content</span><span class="token tag 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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;/</span><span class="token tag" style="color:rgb(255, 85, 114)">ItemGroup</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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><ul>
<li>配置文件服务中间件</li>
</ul><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">app</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">UseStaticFiles</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 如果目录不存在则创建</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> staticRoot </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> Path</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Combine</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">AppContext</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">BaseDirectory</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">&quot;uploads&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 class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 注意这里不要添加 /</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">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token operator" style="color:rgb(137, 221, 255)">!</span><span class="token plain">Directory</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">Exists</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">staticRoot</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"> Directory</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">CreateDirectory</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(<
<li>通过浏览器访问文件</li>
</ul><p>之后就可以通过浏览器访问 <code>http://地址:端口/uploads/xxx.png</code> 了。</p><h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="317-请求大小控制上传文件大小控制">31.7 请求大小控制（上传文件大小控制）<a href="#317-请求大小控制上传文件大小控制" class="hash-link" aria-label="Direct link to 31.7 请求大小控制（上传文件大小控制）" title="Direct link to 31.7 请求大小控制（上传文件大小控制）">​</a></h2><p>在 <code>Web</code> 项目中，<code>Kestrel</code> 和 <code>HttpSys</code> 都强制实施 <code>30M (~28.6MiB)</code> 的最大请求正文大小限制，如果请求正文大小超过配置的最大请求正文大小限制，则引发 <code>Request body too large. The max request body size is xxxxx</code> 异常，状态码为 <code>413</code> 或 <code>500</code>。</p><h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3171-对特定的接口进行控制">31.7.1 对特定的接口进行控制<a href="#3171-对特定的接口进行控制" class="hash-link" aria-label="Direct link to 31.7.1 对特定的接口进行控制" title="Direct link to 31.7.1 对特定的接口进行控制">​</a></h3><p>可通过 <code>[RequestSizeLimit]</code> 特性进行特定限制</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)">HttpPost</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token attribute class-name" style="color:rgb(255, 203, 107)">RequestSizeLimit</span><span class="token attribute attribute-arguments punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token attribute attribute-arguments number" style="color:rgb(247, 140, 108)">100_000_000</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 class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// 通常设置为 [RequestSizeLimit(long.MaxValue)]</span><span class="token plain"></span></span><br></span><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token function" style="color:rgb(130, 170, 255)">RequestFormLimits</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">MultipartBodyLengthLimit </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">long</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">MaxValue</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:#bfc7
<h3 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="3174-全局配置">31.7.4 全局配置<a href="#3174-全局配置" class="hash-link" aria-label="Direct link to 31.7.4 全局配置" title="Direct link to 31.7.4 全局配置">​</a></h3>
<ul>
<li><code>IIS</code> 方式：</li>
</ul>
<ol>
<li><strong>开发环境（IISExpress）</strong></li>
</ol>
<p>在 <code>Web</code> 启动层（通常是 <code>XXX.Web.Entry</code>）根目录下创建 <code>web.config</code> 文件，内容如下：</p>
<div class="language-xml codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-xml 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 prolog">&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">configuration</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">system.webServer</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">security</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">requestFiltering</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">requestLimits</span><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag attr-name" style="color:rgb(255, 203, 107)">maxAllowedContentLength</span><span class="token tag attr-value punctuation attr-equals" style="color:rgb(199, 146, 234)">=</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">&quot;</span><span class="token tag attr-value" style="color:rgb(255, 85, 114)">1073741824</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">&quot;</span><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">/&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;/</span><span class="token tag" style="color:rgb(255, 85, 114)">requestFiltering</span><span class="token tag punctuation" style="color:rgb(19
<ol start="2">
<li><strong>生产环境</strong></li>
</ol>
<p>通常生产环境 <code>IIS</code> 自动项目添加了 <code>web.config</code> 文件，这时候只需要在 <code>&lt;configuration&gt;</code> 节点下添加下面内容即可：</p>
<div class="language-xml codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-xml 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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">system.webServer</span><span class="token tag 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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">security</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">requestFiltering</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;</span><span class="token tag" style="color:rgb(255, 85, 114)">requestLimits</span><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag attr-name" style="color:rgb(255, 203, 107)">maxAllowedContentLength</span><span class="token tag attr-value punctuation attr-equals" style="color:rgb(199, 146, 234)">=</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">&quot;</span><span class="token tag attr-value" style="color:rgb(255, 85, 114)">1073741824</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">&quot;</span><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">/&gt;</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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;/</span><span class="token tag" style="color:rgb(255, 85, 114)">requestFiltering</span><span class="token tag 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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;/</span><span class="token tag" style="color:rgb(255, 85, 114)">security</span><span class="token tag 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 tag punctuation" style="color:rgb(199, 146, 234)">&lt;/</span><span class="token tag" style="color:rgb(
<ul>
<li><code>Kestrel</code> 方式：</li>
</ul>
<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>未使用 <code>IIS</code> 托管时，<code>ASP.NET Core</code> 默认使用 <code>Kestrel</code> 方式。</p></div></div>
<div class="language-cs codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-cs codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv codeBlockLinesWithNumbering_o6Pm"><span class="token-line theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// .NET5 方式，在 .ConfigureWebHostDefaults 里面配置</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token generic-method function" style="color:rgb(130, 170, 255)">UseStartup</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)">Startup</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 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)">UseKestrel</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)">=&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"> options</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Limits</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">MaxRequestBodySize </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">null</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">// 设置 null 就是不限制，具体值就是限制最大多少 M</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line 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
<ul>
<li><code>HttpSys</code> 方式：</li>
</ul>
<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>HTTP.sys</code> 是仅在 <code>Windows</code> 上运行的适用于 <code>ASP.NET Core</code> 的 <code>Web</code> 服务器。 <code>HTTP.sys</code> 是 <code>Kestrel</code> 服务器的替代选择，提供了一些 <code>Kestrel</code> 不提供的功能。</p></div></div>
<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">// .NET5 方式同上</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)">UseHttpSys</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)">=&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"> options</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">MaxRequestBodySize </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_000_000</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">// 设置 null 就是不限制，具体值就是限制最大多少 M</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain" style="display:inline-block"></span></span><br></span><span class="token-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain"></span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// .NET6 方式同上</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="318-特定文件类型文件后缀处理">31.8 特定文件类型（文件后缀）处理<a href="#318-特定文件类型文件后缀处理" class="hash-link" aria-label="Direct link to 31.8 特定文件类型（文件后缀）处理" title="Direct link to 31.8 特定文件类型（文件后缀）处理">​</a></h2>
<p>有时我们在服务器静态资源目录下存放如 <code>.apk</code>，<code>.m3u8</code> 等文件时，通过 <code>URL</code> 请求返回 <code>404 Not Found</code>，那是因为默认情况下框架未配置此类文件类型 <code>MIME</code> 类型。</p>
<p><code>Furion</code> 框架提供了 <code>400</code> 多个常见的文件类型 <code>MIME</code>，只需要在 <code>Startup.cs</code> 或 <code>Progame.cs</code> 中注册即可，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 comment" style="color:rgb(105, 112, 152);font-style:italic">// 为 UseStaticFiles 添加 StaticFileOptions 参数并指定 ContentTypeProvider 属性</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">app</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">UseStaticFiles</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)">StaticFileOptions</span><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"> ContentTypeProvider </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> FS</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetFileExtensionContentTypeProvider</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>
<p>如果配置了还是出现 <code>404</code>，那么可能访问的文件类型的 <code>MIME</code> 在 <code>Furion</code> 框架中未被包含，这时可自行添加，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 class-name keyword" style="color:rgb(255, 203, 107);font-style:italic">var</span><span class="token plain"> contentTypeProvider </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> FS</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">GetFileExtensionContentTypeProvider</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 theme-code-block-highlighted-line codeLine_lJS_" style="color:#bfc7d5"><span class="codeLineNumber_Tfdd"></span><span class="codeLineContent_feaV"><span class="token plain">contentTypeProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token plain">Mappings</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token string" style="color:rgb(195, 232, 141)">&quot;.文件后缀&quot;</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 string" style="color:rgb(195, 232, 141)">&quot;MIME 类型&quot;</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">// 注意文件后缀以 . 开头</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">// 可多个....</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">app</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token function" style="color:rgb(130, 170, 255)">UseStaticFiles</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)">StaticFileOptions</span><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"> ContentTypeProvider </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> contentTypeProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span></span><br><
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="319-反馈与建议">31.9 反馈与建议<a href="#319-反馈与建议" class="hash-link" aria-label="Direct link to 31.9 反馈与建议" title="Direct link to 31.9 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>
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