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新增矢量图</a></li> <li><a href="/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images">响应式图片</a></li> <li><a href="/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Mozilla_splash_page">测验:Mozilla 醒目页面</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary>HTML 表格</summary> <ol> <li><a href="/zh-CN/docs/Learn/HTML/Tables">HTML 表格概述</a></li> <li><a href="/zh-CN/docs/Learn/HTML/Tables/Basics">HTML 表格基础</a></li> <li><a href="/zh-CN/docs/Learn/HTML/Tables/Advanced">HTML 高级表格特性和无障碍</a></li> <li><a href="/zh-CN/docs/Learn/HTML/Tables/Structuring_planet_data">测验:构建行星数据</a></li> </ol> </details> </li> <li class="section"><a href="/zh-CN/docs/Web/HTML/Reference">参考:</a></li> <li class="toggle"> <details> <summary>HTML 元素</summary> <ol><li><a href="/zh-CN/docs/Web/HTML/Element/a"><code><a></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/abbr"><code><abbr></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/acronym"><code><acronym></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/address"><code><address></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/area"><code><area></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/article"><code><article></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/aside"><code><aside></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/audio"><code><audio></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/b"><code><b></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/base"><code><base></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/bdi"><code><bdi></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/bdo"><code><bdo></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/big"><code><big></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/blockquote"><code><blockquote></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/body"><code><body></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/br"><code><br></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/button"><code><button></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/canvas"><code><canvas></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/caption"><code><caption></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/center"><code><center></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/cite"><code><cite></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/code"><code><code></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/col"><code><col></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/colgroup"><code><colgroup></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/data"><code><data></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/datalist"><code><datalist></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/dd"><code><dd></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/del"><code><del></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/details"><code><details></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/dfn"><code><dfn></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/dialog"><code><dialog></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/dir"><code><dir></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/div"><code><div></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/dl"><code><dl></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/dt"><code><dt></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/em"><code><em></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/embed"><code><embed></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/fencedframe"><code><fencedframe></code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/fieldset"><code><fieldset></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/figcaption"><code><figcaption></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/figure"><code><figure></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/font"><code><font></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/footer"><code><footer></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/form"><code>form</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/frame"><code><frame></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/frameset"><code><frameset></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/Heading_Elements"><code><h1></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/head"><code><head></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/header"><code><header></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/hgroup"><code><hgroup></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/hr"><code><hr></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/html"><code><html></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/i"><code><i></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/iframe"><code><iframe></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/img"><code><img></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/ins"><code><ins></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/kbd"><code><kbd></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/label"><code><label></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/legend"><code><legend></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/li"><code><li></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/link"><code><link></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/main"><code><main></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/map"><code><map></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/mark"><code><mark></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/marquee"><code><marquee></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/menu"><code><menu></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/meta"><code><meta></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/meter"><code><meter></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/nav"><code><nav></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/nobr"><code><nobr></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/noembed"><code><noembed></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/noframes"><code><noframes></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/noscript"><code><noscript></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/object"><code><object></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/ol"><code><ol></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/optgroup"><code><optgroup></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/option"><code><option></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/output"><code><output></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/p"><code><p></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/param"><code><param></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/picture"><code><picture></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/plaintext"><code><plaintext></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/portal"><code><portal></code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/pre"><code><pre></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/progress"><code><progress></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/q"><code><q></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/rb"><code><rb></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/rp"><code><rp></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/rt"><code><rt></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/rtc"><code><rtc></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/ruby"><code><ruby></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/s"><code><s></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/samp"><code><samp></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/script"><code><script></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/search"><code><search></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/section"><code><section></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/select"><code><select></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/slot"><code><slot></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/small"><code><small></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/source"><code><source></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/span"><code><span></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/strike"><code><strike></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/strong"><code><strong></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/style"><code><style></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/sub"><code><sub></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/summary"><code><summary></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/sup"><code><sup></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/table"><code><table></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/tbody"><code><tbody></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/td"><code><td></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/template"><code><template></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/textarea"><code><textarea></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/tfoot"><code><tfoot></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/th"><code><th></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/thead"><code><thead></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/time"><code><time></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/title"><code><title></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/tr"><code><tr></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/track"><code><track></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/tt"><code><tt></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Element/u"><code><u></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/ul"><code><ul></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/var"><code><var></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/video"><code><video></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/wbr"><code><wbr></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/xmp"><code><xmp></code></a><abbr class="icon icon-deprecated" title="已弃用。请不要在新的网站中使用。"> <span class="visually-hidden">已弃用</span> </abbr></li></ol> </details> </li> <li class="toggle"> <details> <summary>全局属性</summary> <ol><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/accesskey"><code>accesskey</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/anchor"><code>anchor</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr><abbr class="icon icon-nonstandard" title="非标准。请在使用前检查跨浏览器支持。"> <span class="visually-hidden">非标准</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/autocapitalize"><code>autocapitalize</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/autocorrect"><code>autocorrect</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/autofocus"><code>autofocus</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/class"><code>class</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/contenteditable"><code>contenteditable</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/data-*"><code>data-*</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/dir"><code>dir</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/draggable"><code>draggable</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/enterkeyhint"><code>enterkeyhint</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/exportparts"><code>exportparts</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/hidden"><code>hidden</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/id"><code>id</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/inert"><code>inert</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/inputmode"><code>inputmode</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/is"><code>is</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/itemid"><code>itemid</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/itemprop"><code>itemprop</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/itemref"><code>itemref</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/itemscope"><code>itemscope</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/itemtype"><code>itemtype</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/lang"><code>lang</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/nonce"><code>nonce</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/part"><code>part</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/popover"><code>popover</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/slot"><code>slot</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/spellcheck"><code>spellcheck</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/style"><code>style</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/tabindex"><code>tabindex</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/title"><code>title</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/translate"><code>translate</code></a></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/virtualkeyboardpolicy"><code>virtualkeyboardpolicy</code></a><abbr class="icon icon-experimental" title="实验性。预期行为可能会在未来发生变更。"> <span class="visually-hidden">实验性</span> </abbr></li><li><a href="/zh-CN/docs/Web/HTML/Global_attributes/writingsuggestions"><code>writingsuggestions</code></a></li></ol> </details> </li> <li class="toggle"> <details open=""> <summary>属性</summary> <ol> <li><em><a href="/zh-CN/docs/Web/HTML/Attributes/accept" aria-current="page">accept</a></em></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/autocomplete">autocomplete</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/capture">capture</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/crossorigin">crossorigin</a></li> <li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/HTML/Attributes/dirname">dirname</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/disabled">disabled</a></li> <li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/HTML/Attributes/elementtiming">elementtiming</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/for">for</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/max">max</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/maxlength">maxlength</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/min">min</a></li> <li><a class="only-in-en-us" title="此页面目前仅提供英文版本" href="/en-US/docs/Web/HTML/Attributes/minlength">minlength</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/multiple">multiple</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/pattern">pattern</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/placeholder">placeholder</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/readonly">readonly</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/rel">rel</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/required">required</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/size">size</a></li> <li><a href="/zh-CN/docs/Web/HTML/Attributes/step">step</a></li> </ol> </details> </li> <li class="toggle"> <details> <summary><code><input></code> 类型</summary> <ol><li><a href="/zh-CN/docs/Web/HTML/Element/input/button"><code><input type="button"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/checkbox"><code><input type="checkbox"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/color"><code><input type="color"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/date"><code><input type="date"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/datetime-local"><code><input type="datetime-local"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/email"><code><input type="email"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/file"><code><input type="file"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/hidden"><code><input type="hidden"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/image"><code><input type="image"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/month"><code><input type="month"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/number"><code><input type="number"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/password"><code><input type="password"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/radio"><code><input type="radio"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/range"><code><input type="range"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/reset"><code><input type="reset"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/search"><code><input type="search"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/submit"><code><input type="submit"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/tel"><code><input type="tel"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/text"><code><input type="text"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/time"><code><input type="time"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/url"><code><input type="url"></code></a></li><li><a href="/zh-CN/docs/Web/HTML/Element/input/week"><code><input type="week"></code></a></li></ol> </details> </li> <li class="section no-link">指南:</li> <li> <ol> <li><a href="/zh-CN/docs/Web/HTML/Content_categories">内容分类</a></li> <li><a href="/zh-CN/docs/Glossary/Block-level_content">块级元素</a></li> <li><a href="/zh-CN/docs/Glossary/Inline-level_content">行级元素</a></li> <li><a href="/zh-CN/docs/Web/HTML/Quirks_Mode_and_Standards_Mode">怪异模式和标准模式</a></li> <li><a href="/zh-CN/docs/Web/HTML/Date_and_time_formats">HTML 中使用的日期与时间格式</a></li> <li><a href="/zh-CN/docs/Web/HTML/Constraint_validation">约束验证</a></li> <li><a href="/zh-CN/docs/Web/HTML/Microdata">微数据</a></li> <li><a href="/zh-CN/docs/Web/HTML/microformats">微格式</a></li> <li><a href="/zh-CN/docs/Web/HTML/Viewport_meta_tag">Viewport meta 标签</a></li> <li><a href="/zh-CN/docs/Web/HTML/CORS_enabled_image">允许图片和 canvas 跨源使用</a></li> </ol> </li> </ol> </div></div><section class="place side"></section></nav></aside><div class="toc-container"><aside class="toc"><nav><div class="document-toc-container"><section class="document-toc"><header><h2 class="document-toc-heading">在本文中</h2></header><ul class="document-toc-list"><li class="document-toc-item "><a class="document-toc-link" href="#尝试一下">尝试一下</a></li><li class="document-toc-item "><a class="document-toc-link" href="#概述">概述</a></li><li class="document-toc-item "><a class="document-toc-link" href="#示例">示例</a></li><li class="document-toc-item "><a class="document-toc-link" href="#唯一文件类型标识符">唯一文件类型标识符</a></li><li class="document-toc-item "><a class="document-toc-link" href="#使用_file_输入">使用 file 输入</a></li><li class="document-toc-item "><a class="document-toc-link" href="#规范">规范</a></li><li class="document-toc-item "><a class="document-toc-link" href="#浏览器兼容性">浏览器兼容性</a></li><li class="document-toc-item "><a class="document-toc-link" href="#参见">参见</a></li></ul></section></div></nav></aside><section class="place side"></section></div></div><main id="content" class="main-content "><article class="main-page-content" lang="zh-CN"><header><h1>HTML 属性:accept</h1><details class="baseline-indicator high"><summary><span class="indicator" role="img" aria-label="Baseline Check"></span><h2>Baseline<!-- --> <span class="not-bold">Widely available</span></h2><div class="browsers"><span class="engine" title="Supported in Chrome and Edge"><span class="browser chrome supported" role="img" aria-label="Chrome check"></span><span class="browser edge supported" role="img" aria-label="Edge check"></span></span><span class="engine" title="Supported in Firefox"><span class="browser firefox supported" role="img" aria-label="Firefox check"></span></span><span class="engine" title="Supported in Safari"><span class="browser safari supported" role="img" aria-label="Safari check"></span></span></div><span class="icon icon-chevron "></span></summary><div class="extra"><p>This feature is well established and works across many devices and browser versions. It’s been available across browsers since<!-- --> <!-- -->July 2015<!-- -->.</p><ul><li><a href="/zh-CN/docs/Glossary/Baseline/Compatibility" data-glean="baseline_link_learn_more" target="_blank" class="learn-more">Learn more</a></li><li><a href="#浏览器兼容性" data-glean="baseline_link_bcd_table">See full compatibility</a></li><li><a href="https://survey.alchemer.com/s3/7634825/MDN-baseline-feedback?page=%2Fzh-CN%2Fdocs%2FWeb%2FHTML%2FAttributes%2Faccept&level=high" data-glean="baseline_link_feedback" class="feedback-link" target="_blank" rel="noreferrer">Report feedback</a></li></ul></div></details></header><div class="section-content"><p><strong><code>accept</code></strong> 属性的值是一个以逗号分隔的列表,其中包含一个或多个文件类型/<a href="#%E5%94%AF%E4%B8%80%E6%96%87%E4%BB%B6%E7%B1%BB%E5%9E%8B%E6%A0%87%E8%AF%86%E7%AC%A6">唯一文件类型标识符</a>(描述了允许的文件类型)。</p></div><section aria-labelledby="尝试一下"><h2 id="尝试一下"><a href="#尝试一下">尝试一下</a></h2><div class="section-content"><iframe class="interactive is-tabbed-shorter-height" height="200" src="https://interactive-examples.mdn.mozilla.net/pages/tabbed/attribute-accept.html" title="MDN Web Docs Interactive Example" allow="clipboard-write" loading="lazy"></iframe></div></section><section aria-labelledby="概述"><h2 id="概述"><a href="#概述">概述</a></h2><div class="section-content"><p>accept 是 <a href="/zh-CN/docs/Web/HTML/Element/input/file">file</a> <a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a> 类型的属性。<a href="/zh-CN/docs/Web/HTML/Element/form"><code><form></code></a> 元素曾经支持这个属性,但已被移除,改用 <a href="/zh-CN/docs/Web/HTML/Element/input/file">file</a>。</p> <p>由于一种给定的文件类型可以用多种方式标识,因此在需要特定类型的文件时,提供一套完整的类型说明是非常有用的,或者使用通配符来表示任何格式的类型也是可以接受的。</p> <p>例如,有多种方法可以标识 Microsoft Word 文件,因此接受 Word 文件的网站可能会使用像这样的 <code><input></code>:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><input type="file" id="docpicker" accept=".doc,.docx,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document" /> </code></pre></div> <p>而如果接受的是媒体文件,可能希望包含该媒体类型的任何格式:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><input type="file" id="soundFile" accept="audio/*" /> <input type="file" id="videoFile" accept="video/*" /> <input type="file" id="imageFile" accept="image/*" /> </code></pre></div> <p><code>accept</code> 属性并不验证所选文件的类型;它为浏览器提供提示,引导用户选择正确的文件类型。用户仍然有可能(在大多数情况下)在文件选择器中切换一个选项,从而覆盖此选项并选择任何他们想要的文件,然后选择不正确的文件类型。</p> <p>因此,应确保服务器端验证预期要求。</p></div></section><section aria-labelledby="示例"><h2 id="示例"><a href="#示例">示例</a></h2><div class="section-content"><p>当设置为文件输入类型时,打开的本地文件选择器只能选择正确文件类型的文件。大多数操作系统会淡化不符合标准的文件,使其无法选择。</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><p> <label for="soundFile">选择一个音频文件:</label ><input type="file" id="soundFile" accept="audio/*" /> </p> <p> <label for="videoFile">选择一个视频文件:</label ><input type="file" id="videoFile" accept="video/*" /> </p> <p> <label for="imageFile">选择一些图像:</label ><input type="file" id="imageFile" accept="image/*" multiple /> </p> </code></pre></div><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="示例 sample" id="frame_示例" width="100%" height="200" src="about:blank" data-live-path="/zh-CN/docs/Web/HTML/Attributes/accept" data-live-id="示例" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div> <p>请注意,最后一个示例允许你选择多个图像。参见 <a href="/zh-CN/docs/Web/HTML/Element/input#multiple"><code>multiple</code></a> 属性以了解更多信息。</p></div></section><section aria-labelledby="唯一文件类型标识符"><h2 id="唯一文件类型标识符"><a href="#唯一文件类型标识符">唯一文件类型标识符</a></h2><div class="section-content"><p><strong>唯一文件类型标识符</strong>是一个字符串,用于描述用户可在 <code>file</code> 类型的 <a href="/zh-CN/docs/Web/HTML/Element/input"><code><input></code></a> 元素中选择的文件类型。每个唯一文件类型指定符可以是以下形式之一:</p> <ul> <li>一个以点号(“.”)字符开头的,大小写不敏感的文件扩展名。如:<code>.jpg</code>、<code>.pdf</code> 或 <code>.doc</code>。</li> <li>一个有效的 MIME 类型字符串,不带扩展名。</li> <li>字符串 <code>audio/*</code> 表示“任何音频文件”。</li> <li>字符串 <code>video/*</code> 表示“任何视频文件”。</li> <li>字符串 <code>image/*</code> 表示“任何图像文件”。</li> </ul></div></section><section aria-labelledby="使用_file_输入"><h2 id="使用_file_输入"><a href="#使用_file_输入">使用 file 输入</a></h2><div class="section-content"></div></section><section aria-labelledby="基本示例"><h3 id="基本示例"><a href="#基本示例">基本示例</a></h3><div class="section-content"><div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><form method="post" enctype="multipart/form-data"> <div> <label for="file">选择要上传的文件</label ><input type="file" id="file" name="file" multiple /> </div> <div> <button>提交</button> </div> </form> </code></pre></div> <div class="code-example"><pre class="brush: css hidden notranslate"><code>div { margin-bottom: 10px; } </code></pre></div> <p>这产生了如下输出:</p><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="基本示例 sample" id="frame_基本示例" width="650" height="60" src="about:blank" data-live-path="/zh-CN/docs/Web/HTML/Attributes/accept" data-live-id="基本示例" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div> <div class="notecard note"> <p><strong>备注:</strong>你也可以在 GitHub 上找到该示例——查看<a href="https://github.com/mdn/learning-area/blob/main/html/forms/file-examples/simple-file.html" class="external" target="_blank">源代码</a>,或尝试<a href="https://mdn.github.io/learning-area/html/forms/file-examples/simple-file.html" class="external" target="_blank">在线运行它</a>。</p> </div> <p>无论用户使用何种设备或操作系统,file 输入都会提供一个按钮,打开文件选择对话框,让用户选择文件。</p> <p>如上所示,包含 <a href="/zh-CN/docs/Web/HTML/Element/input#multiple"><code>multiple</code></a> 属性可指定同时选择多个文件。用户可以根据平台允许的方法(如按下 <kbd>Shift</kbd> 或 <kbd>Control</kbd>,然后单击)从文件选择器中选择多个文件。如果你只想让用户从每个 <code><input></code> 中选择单个文件,请省略 <code>multiple</code> 属性。</p></div></section><section aria-labelledby="限制所接受的文件类型"><h3 id="限制所接受的文件类型"><a href="#限制所接受的文件类型">限制所接受的文件类型</a></h3><div class="section-content"><p>通常情况下,你不希望用户选择任意的文件类型,而是希望他们选择特定类型的文件。例如,如果你的 file 输入让用户上传个人资料图片,你可能希望他们选择 web 兼容的图片格式,如 <a href="/zh-CN/docs/Glossary/JPEG">JPEG</a> 或 <a href="/zh-CN/docs/Glossary/PNG">PNG</a>。</p> <p>可接受的文件类型可通过 <a href="/zh-CN/docs/Web/HTML/Element/input/file#accept"><code>accept</code></a> 属性指定,该属性使用逗号分隔的列表,列出允许的文件扩展名或 MIME 类型。举例如下:</p> <ul> <li><code>accept="image/png"</code> 或 <code>accept=".png"</code>——接受 PNG 文件。</li> <li><code>accept="image/png, image/jpeg"</code> 或 <code>accept=".png, .jpg, .jpeg"</code>——接受 PNG 或 JPEG 文件。</li> <li><code>accept="image/*"</code>——接收任何具有 <code>image/*</code> MIME 类型的文件。(很多移动端设备在使用此属性时也会让用户使用照相机拍照。)</li> <li><code>accept=".doc,.docx,.xml,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document"</code>——接受任何看起来像 MS Word 文档的东西。</li> </ul> <p>我们来看一个更加完整的例子:</p> <div class="code-example"><div class="example-header"><span class="language-name">html</span></div><pre class="brush: html notranslate"><code><form method="post" enctype="multipart/form-data"> <div> <label for="profile_pic">选择要上传的文件</label ><input type="file" id="profile_pic" name="profile_pic" accept=".jpg, .jpeg, .png" /> </div> <div> <button>提交</button> </div> </form> </code></pre></div> <div class="code-example"><pre class="brush: css hidden notranslate"><code>div { margin-bottom: 10px; } </code></pre></div><div class="code-example"><div class="example-header"></div><iframe class="sample-code-frame" title="限制所接受的文件类型 sample" id="frame_限制所接受的文件类型" width="650" height="60" src="about:blank" data-live-path="/zh-CN/docs/Web/HTML/Attributes/accept" data-live-id="限制所接受的文件类型" sandbox="allow-same-origin allow-scripts" loading="lazy"></iframe></div></div></section><h2 id="规范"><a href="#规范">规范</a></h2><table class="standard-table"><thead><tr><th scope="col">Specification</th></tr></thead><tbody><tr><td><a href="https://html.spec.whatwg.org/multipage/input.html#attr-input-accept">HTML Standard<!-- --> <br/><small># <!-- -->attr-input-accept</small></a></td></tr></tbody></table><h2 id="浏览器兼容性"><a href="#浏览器兼容性">浏览器兼容性</a></h2><p>BCD tables only load in the browser<noscript> <!-- -->with JavaScript enabled. Enable JavaScript to view data.</noscript></p><section aria-labelledby="参见"><h2 id="参见"><a href="#参见">参见</a></h2><div class="section-content"><ul> <li><a href="/zh-CN/docs/Web/API/File_API/Using_files_from_web_applications">在 web 应用中使用文件</a></li> <li><a href="/zh-CN/docs/Web/API/File">File API</a></li> </ul></div></section></article><aside class="article-footer"><div class="article-footer-inner"><div class="svg-container"><svg xmlns="http://www.w3.org/2000/svg" width="162" height="162" viewBox="0 0 162 162" fill="none" role="none"><mask id="b" fill="#fff"><path d="M97.203 47.04c8.113-7.886 18.004-13.871 28.906-17.492a78 78 0 0 1 33.969-3.39c11.443 1.39 22.401 5.295 32.024 11.411s17.656 14.28 23.476 23.86c5.819 9.579 9.269 20.318 10.083 31.385a69.85 69.85 0 0 1-5.387 32.44c-4.358 10.272-11.115 19.443-19.747 26.801-8.632 7.359-18.908 12.709-30.034 15.637l-6.17-21.698c7.666-2.017 14.746-5.703 20.694-10.773 5.948-5.071 10.603-11.389 13.606-18.467a48.14 48.14 0 0 0 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<details>\n <summary>HTML 介绍</summary>\n <ol>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML\">HTML 概述</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/Getting_started\">开始学习 HTML</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/The_head_metadata_in_HTML\">head 标签里面有什么?HTML 中的元数据</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/HTML_text_fundamentals\">HTML 文本基础</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/Creating_hyperlinks\">建立超链接</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/Advanced_text_formatting\">高级文本格式</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/Document_and_website_structure\">文档和网站架构</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/Debugging_HTML\">HTML 调试</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/Marking_up_a_letter\">测验:标记信件</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Introduction_to_HTML/Structuring_a_page_of_content\">测验:构建网页内容</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>多媒体与嵌入</summary>\n <ol>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Multimedia_and_embedding\">多媒体与嵌入概述</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Images_in_HTML\">HTML 中的图片</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Video_and_audio_content\">视频和音频内容</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Other_embedding_technologies\">从 object 到 iframe——其他嵌入技术</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Adding_vector_graphics_to_the_Web\">为 web 新增矢量图</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images\">响应式图片</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Multimedia_and_embedding/Mozilla_splash_page\">测验:Mozilla 醒目页面</a></li>\n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>HTML 表格</summary>\n <ol>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Tables\">HTML 表格概述</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Tables/Basics\">HTML 表格基础</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Tables/Advanced\">HTML 高级表格特性和无障碍</a></li>\n <li><a href=\"/zh-CN/docs/Learn/HTML/Tables/Structuring_planet_data\">测验:构建行星数据</a></li>\n </ol>\n </details>\n </li>\n <li class=\"section\"><a href=\"/zh-CN/docs/Web/HTML/Reference\">参考:</a></li>\n <li class=\"toggle\">\n <details>\n <summary>HTML 元素</summary>\n <ol><li><a href=\"/zh-CN/docs/Web/HTML/Element/a\"><code><a></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/abbr\"><code><abbr></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/acronym\"><code><acronym></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/address\"><code><address></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/area\"><code><area></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/article\"><code><article></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/aside\"><code><aside></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/audio\"><code><audio></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/b\"><code><b></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/base\"><code><base></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/bdi\"><code><bdi></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/bdo\"><code><bdo></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/big\"><code><big></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/blockquote\"><code><blockquote></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/body\"><code><body></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/br\"><code><br></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/button\"><code><button></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/canvas\"><code><canvas></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/caption\"><code><caption></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/center\"><code><center></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/cite\"><code><cite></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/code\"><code><code></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/col\"><code><col></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/colgroup\"><code><colgroup></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/data\"><code><data></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/datalist\"><code><datalist></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/dd\"><code><dd></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/del\"><code><del></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/details\"><code><details></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/dfn\"><code><dfn></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/dialog\"><code><dialog></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/dir\"><code><dir></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/div\"><code><div></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/dl\"><code><dl></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/dt\"><code><dt></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/em\"><code><em></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/embed\"><code><embed></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/fencedframe\"><code><fencedframe></code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/fieldset\"><code><fieldset></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/figcaption\"><code><figcaption></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/figure\"><code><figure></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/font\"><code><font></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/footer\"><code><footer></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/form\"><code>form</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/frame\"><code><frame></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/frameset\"><code><frameset></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/Heading_Elements\"><code><h1></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/head\"><code><head></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/header\"><code><header></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/hgroup\"><code><hgroup></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/hr\"><code><hr></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/html\"><code><html></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/i\"><code><i></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/iframe\"><code><iframe></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/img\"><code><img></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/ins\"><code><ins></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/kbd\"><code><kbd></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/label\"><code><label></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/legend\"><code><legend></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/li\"><code><li></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/link\"><code><link></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/main\"><code><main></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/map\"><code><map></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/mark\"><code><mark></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/marquee\"><code><marquee></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/menu\"><code><menu></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/meta\"><code><meta></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/meter\"><code><meter></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/nav\"><code><nav></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/nobr\"><code><nobr></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/noembed\"><code><noembed></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/noframes\"><code><noframes></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/noscript\"><code><noscript></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/object\"><code><object></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/ol\"><code><ol></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/optgroup\"><code><optgroup></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/option\"><code><option></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/output\"><code><output></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/p\"><code><p></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/param\"><code><param></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/picture\"><code><picture></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/plaintext\"><code><plaintext></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/portal\"><code><portal></code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/pre\"><code><pre></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/progress\"><code><progress></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/q\"><code><q></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/rb\"><code><rb></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/rp\"><code><rp></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/rt\"><code><rt></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/rtc\"><code><rtc></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/ruby\"><code><ruby></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/s\"><code><s></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/samp\"><code><samp></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/script\"><code><script></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/search\"><code><search></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/section\"><code><section></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/select\"><code><select></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/slot\"><code><slot></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/small\"><code><small></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/source\"><code><source></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/span\"><code><span></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/strike\"><code><strike></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/strong\"><code><strong></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/style\"><code><style></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/sub\"><code><sub></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/summary\"><code><summary></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/sup\"><code><sup></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/table\"><code><table></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/tbody\"><code><tbody></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/td\"><code><td></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/template\"><code><template></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/textarea\"><code><textarea></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/tfoot\"><code><tfoot></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/th\"><code><th></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/thead\"><code><thead></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/time\"><code><time></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/title\"><code><title></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/tr\"><code><tr></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/track\"><code><track></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/tt\"><code><tt></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/u\"><code><u></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/ul\"><code><ul></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/var\"><code><var></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/video\"><code><video></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/wbr\"><code><wbr></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/xmp\"><code><xmp></code></a><abbr class=\"icon icon-deprecated\" title=\"已弃用。请不要在新的网站中使用。\">\n <span class=\"visually-hidden\">已弃用</span>\n</abbr></li></ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary>全局属性</summary>\n <ol><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/accesskey\"><code>accesskey</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/anchor\"><code>anchor</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr><abbr class=\"icon icon-nonstandard\" title=\"非标准。请在使用前检查跨浏览器支持。\">\n <span class=\"visually-hidden\">非标准</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/autocapitalize\"><code>autocapitalize</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/autocorrect\"><code>autocorrect</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/autofocus\"><code>autofocus</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/class\"><code>class</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/contenteditable\"><code>contenteditable</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/data-*\"><code>data-*</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/dir\"><code>dir</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/draggable\"><code>draggable</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/enterkeyhint\"><code>enterkeyhint</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/exportparts\"><code>exportparts</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/hidden\"><code>hidden</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/id\"><code>id</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/inert\"><code>inert</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/inputmode\"><code>inputmode</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/is\"><code>is</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/itemid\"><code>itemid</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/itemprop\"><code>itemprop</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/itemref\"><code>itemref</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/itemscope\"><code>itemscope</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/itemtype\"><code>itemtype</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/lang\"><code>lang</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/nonce\"><code>nonce</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/part\"><code>part</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/popover\"><code>popover</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/slot\"><code>slot</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/spellcheck\"><code>spellcheck</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/style\"><code>style</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/tabindex\"><code>tabindex</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/title\"><code>title</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/translate\"><code>translate</code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/virtualkeyboardpolicy\"><code>virtualkeyboardpolicy</code></a><abbr class=\"icon icon-experimental\" title=\"实验性。预期行为可能会在未来发生变更。\">\n <span class=\"visually-hidden\">实验性</span>\n</abbr></li><li><a href=\"/zh-CN/docs/Web/HTML/Global_attributes/writingsuggestions\"><code>writingsuggestions</code></a></li></ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details open=\"\">\n <summary>属性</summary>\n <ol>\n \n <li><em><a href=\"/zh-CN/docs/Web/HTML/Attributes/accept\" aria-current=\"page\">accept</a></em></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/autocomplete\">autocomplete</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/capture\">capture</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/crossorigin\">crossorigin</a></li>\n \n <li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/HTML/Attributes/dirname\">dirname</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/disabled\">disabled</a></li>\n \n <li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/HTML/Attributes/elementtiming\">elementtiming</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/for\">for</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/max\">max</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/maxlength\">maxlength</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/min\">min</a></li>\n \n <li><a class=\"only-in-en-us\" title=\"此页面目前仅提供英文版本\" href=\"/en-US/docs/Web/HTML/Attributes/minlength\">minlength</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/multiple\">multiple</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/pattern\">pattern</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/placeholder\">placeholder</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/readonly\">readonly</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/rel\">rel</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/required\">required</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/size\">size</a></li>\n \n <li><a href=\"/zh-CN/docs/Web/HTML/Attributes/step\">step</a></li>\n \n </ol>\n </details>\n </li>\n <li class=\"toggle\">\n <details>\n <summary><code><input></code> 类型</summary>\n <ol><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/button\"><code><input type=\"button\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/checkbox\"><code><input type=\"checkbox\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/color\"><code><input type=\"color\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/date\"><code><input type=\"date\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/datetime-local\"><code><input type=\"datetime-local\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/email\"><code><input type=\"email\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/file\"><code><input type=\"file\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/hidden\"><code><input type=\"hidden\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/image\"><code><input type=\"image\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/month\"><code><input type=\"month\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/number\"><code><input type=\"number\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/password\"><code><input type=\"password\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/radio\"><code><input type=\"radio\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/range\"><code><input type=\"range\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/reset\"><code><input type=\"reset\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/search\"><code><input type=\"search\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/submit\"><code><input type=\"submit\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/tel\"><code><input type=\"tel\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/text\"><code><input type=\"text\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/time\"><code><input type=\"time\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/url\"><code><input type=\"url\"></code></a></li><li><a href=\"/zh-CN/docs/Web/HTML/Element/input/week\"><code><input type=\"week\"></code></a></li></ol>\n </details>\n </li>\n <li class=\"section no-link\">指南:</li>\n <li>\n <ol>\n <li><a href=\"/zh-CN/docs/Web/HTML/Content_categories\">内容分类</a></li>\n <li><a href=\"/zh-CN/docs/Glossary/Block-level_content\">块级元素</a></li>\n <li><a href=\"/zh-CN/docs/Glossary/Inline-level_content\">行级元素</a></li>\n <li><a href=\"/zh-CN/docs/Web/HTML/Quirks_Mode_and_Standards_Mode\">怪异模式和标准模式</a></li>\n <li><a href=\"/zh-CN/docs/Web/HTML/Date_and_time_formats\">HTML 中使用的日期与时间格式</a></li>\n <li><a href=\"/zh-CN/docs/Web/HTML/Constraint_validation\">约束验证</a></li>\n <li><a href=\"/zh-CN/docs/Web/HTML/Microdata\">微数据</a></li>\n <li><a href=\"/zh-CN/docs/Web/HTML/microformats\">微格式</a></li>\n <li><a href=\"/zh-CN/docs/Web/HTML/Viewport_meta_tag\">Viewport meta 标签</a></li>\n <li><a href=\"/zh-CN/docs/Web/HTML/CORS_enabled_image\">允许图片和 canvas 跨源使用</a></li>\n </ol>\n </li>\n </ol>\n","sidebarMacro":"HTMLSidebar","body":[{"type":"prose","value":{"id":null,"title":null,"isH3":false,"content":"<p><strong><code>accept</code></strong> 属性的值是一个以逗号分隔的列表,其中包含一个或多个文件类型/<a href=\"#%E5%94%AF%E4%B8%80%E6%96%87%E4%BB%B6%E7%B1%BB%E5%9E%8B%E6%A0%87%E8%AF%86%E7%AC%A6\">唯一文件类型标识符</a>(描述了允许的文件类型)。</p>"}},{"type":"prose","value":{"id":"尝试一下","title":"尝试一下","isH3":false,"content":"<iframe class=\"interactive is-tabbed-shorter-height\" height=\"200\" src=\"https://interactive-examples.mdn.mozilla.net/pages/tabbed/attribute-accept.html\" title=\"MDN Web Docs Interactive Example\" allow=\"clipboard-write\" loading=\"lazy\"></iframe>"}},{"type":"prose","value":{"id":"概述","title":"概述","isH3":false,"content":"<p>accept 是 <a href=\"/zh-CN/docs/Web/HTML/Element/input/file\">file</a> <a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a> 类型的属性。<a href=\"/zh-CN/docs/Web/HTML/Element/form\"><code><form></code></a> 元素曾经支持这个属性,但已被移除,改用 <a href=\"/zh-CN/docs/Web/HTML/Element/input/file\">file</a>。</p>\n<p>由于一种给定的文件类型可以用多种方式标识,因此在需要特定类型的文件时,提供一套完整的类型说明是非常有用的,或者使用通配符来表示任何格式的类型也是可以接受的。</p>\n<p>例如,有多种方法可以标识 Microsoft Word 文件,因此接受 Word 文件的网站可能会使用像这样的 <code><input></code>:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><input\n type=\"file\"\n id=\"docpicker\"\n accept=\".doc,.docx,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document\" />\n</code></pre></div>\n<p>而如果接受的是媒体文件,可能希望包含该媒体类型的任何格式:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><input type=\"file\" id=\"soundFile\" accept=\"audio/*\" />\n<input type=\"file\" id=\"videoFile\" accept=\"video/*\" />\n<input type=\"file\" id=\"imageFile\" accept=\"image/*\" />\n</code></pre></div>\n<p><code>accept</code> 属性并不验证所选文件的类型;它为浏览器提供提示,引导用户选择正确的文件类型。用户仍然有可能(在大多数情况下)在文件选择器中切换一个选项,从而覆盖此选项并选择任何他们想要的文件,然后选择不正确的文件类型。</p>\n<p>因此,应确保服务器端验证预期要求。</p>"}},{"type":"prose","value":{"id":"示例","title":"示例","isH3":false,"content":"<p>当设置为文件输入类型时,打开的本地文件选择器只能选择正确文件类型的文件。大多数操作系统会淡化不符合标准的文件,使其无法选择。</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><p>\n <label for=\"soundFile\">选择一个音频文件:</label\n ><input type=\"file\" id=\"soundFile\" accept=\"audio/*\" />\n</p>\n<p>\n <label for=\"videoFile\">选择一个视频文件:</label\n ><input type=\"file\" id=\"videoFile\" accept=\"video/*\" />\n</p>\n<p>\n <label for=\"imageFile\">选择一些图像:</label\n ><input type=\"file\" id=\"imageFile\" accept=\"image/*\" multiple />\n</p>\n</code></pre></div><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"示例 sample\" id=\"frame_示例\" width=\"100%\" height=\"200\" src=\"about:blank\" data-live-path=\"/zh-CN/docs/Web/HTML/Attributes/accept\" data-live-id=\"示例\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>\n<p>请注意,最后一个示例允许你选择多个图像。参见 <a href=\"/zh-CN/docs/Web/HTML/Element/input#multiple\"><code>multiple</code></a> 属性以了解更多信息。</p>"}},{"type":"prose","value":{"id":"唯一文件类型标识符","title":"唯一文件类型标识符","isH3":false,"content":"<p><strong>唯一文件类型标识符</strong>是一个字符串,用于描述用户可在 <code>file</code> 类型的 <a href=\"/zh-CN/docs/Web/HTML/Element/input\"><code><input></code></a> 元素中选择的文件类型。每个唯一文件类型指定符可以是以下形式之一:</p>\n<ul>\n <li>一个以点号(“.”)字符开头的,大小写不敏感的文件扩展名。如:<code>.jpg</code>、<code>.pdf</code> 或 <code>.doc</code>。</li>\n <li>一个有效的 MIME 类型字符串,不带扩展名。</li>\n <li>字符串 <code>audio/*</code> 表示“任何音频文件”。</li>\n <li>字符串 <code>video/*</code> 表示“任何视频文件”。</li>\n <li>字符串 <code>image/*</code> 表示“任何图像文件”。</li>\n</ul>"}},{"type":"prose","value":{"id":"使用_file_输入","title":"使用 file 输入","isH3":false,"content":""}},{"type":"prose","value":{"id":"基本示例","title":"基本示例","isH3":true,"content":"<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><form method=\"post\" enctype=\"multipart/form-data\">\n <div>\n <label for=\"file\">选择要上传的文件</label\n ><input type=\"file\" id=\"file\" name=\"file\" multiple />\n </div>\n <div>\n <button>提交</button>\n </div>\n</form>\n</code></pre></div>\n<div class=\"code-example\"><pre class=\"brush: css hidden notranslate\"><code>div {\n margin-bottom: 10px;\n}\n</code></pre></div>\n<p>这产生了如下输出:</p><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"基本示例 sample\" id=\"frame_基本示例\" width=\"650\" height=\"60\" src=\"about:blank\" data-live-path=\"/zh-CN/docs/Web/HTML/Attributes/accept\" data-live-id=\"基本示例\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>\n<div class=\"notecard note\">\n <p><strong>备注:</strong>你也可以在 GitHub 上找到该示例——查看<a href=\"https://github.com/mdn/learning-area/blob/main/html/forms/file-examples/simple-file.html\" class=\"external\" target=\"_blank\">源代码</a>,或尝试<a href=\"https://mdn.github.io/learning-area/html/forms/file-examples/simple-file.html\" class=\"external\" target=\"_blank\">在线运行它</a>。</p>\n</div>\n<p>无论用户使用何种设备或操作系统,file 输入都会提供一个按钮,打开文件选择对话框,让用户选择文件。</p>\n<p>如上所示,包含 <a href=\"/zh-CN/docs/Web/HTML/Element/input#multiple\"><code>multiple</code></a> 属性可指定同时选择多个文件。用户可以根据平台允许的方法(如按下 <kbd>Shift</kbd> 或 <kbd>Control</kbd>,然后单击)从文件选择器中选择多个文件。如果你只想让用户从每个 <code><input></code> 中选择单个文件,请省略 <code>multiple</code> 属性。</p>"}},{"type":"prose","value":{"id":"限制所接受的文件类型","title":"限制所接受的文件类型","isH3":true,"content":"<p>通常情况下,你不希望用户选择任意的文件类型,而是希望他们选择特定类型的文件。例如,如果你的 file 输入让用户上传个人资料图片,你可能希望他们选择 web 兼容的图片格式,如 <a href=\"/zh-CN/docs/Glossary/JPEG\">JPEG</a> 或 <a href=\"/zh-CN/docs/Glossary/PNG\">PNG</a>。</p>\n<p>可接受的文件类型可通过 <a href=\"/zh-CN/docs/Web/HTML/Element/input/file#accept\"><code>accept</code></a> 属性指定,该属性使用逗号分隔的列表,列出允许的文件扩展名或 MIME 类型。举例如下:</p>\n<ul>\n <li><code>accept=\"image/png\"</code> 或 <code>accept=\".png\"</code>——接受 PNG 文件。</li>\n <li><code>accept=\"image/png, image/jpeg\"</code> 或 <code>accept=\".png, .jpg, .jpeg\"</code>——接受 PNG 或 JPEG 文件。</li>\n <li><code>accept=\"image/*\"</code>——接收任何具有 <code>image/*</code> MIME 类型的文件。(很多移动端设备在使用此属性时也会让用户使用照相机拍照。)</li>\n <li><code>accept=\".doc,.docx,.xml,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document\"</code>——接受任何看起来像 MS Word 文档的东西。</li>\n</ul>\n<p>我们来看一个更加完整的例子:</p>\n<div class=\"code-example\"><div class=\"example-header\"><span class=\"language-name\">html</span></div><pre class=\"brush: html notranslate\"><code><form method=\"post\" enctype=\"multipart/form-data\">\n <div>\n <label for=\"profile_pic\">选择要上传的文件</label\n ><input\n type=\"file\"\n id=\"profile_pic\"\n name=\"profile_pic\"\n accept=\".jpg, .jpeg, .png\" />\n </div>\n <div>\n <button>提交</button>\n </div>\n</form>\n</code></pre></div>\n<div class=\"code-example\"><pre class=\"brush: css hidden notranslate\"><code>div {\n margin-bottom: 10px;\n}\n</code></pre></div><div class=\"code-example\"><div class=\"example-header\"></div><iframe class=\"sample-code-frame\" title=\"限制所接受的文件类型 sample\" id=\"frame_限制所接受的文件类型\" width=\"650\" height=\"60\" src=\"about:blank\" data-live-path=\"/zh-CN/docs/Web/HTML/Attributes/accept\" data-live-id=\"限制所接受的文件类型\" sandbox=\"allow-same-origin allow-scripts\" loading=\"lazy\"></iframe></div>"}},{"type":"specifications","value":{"title":"规范","id":"规范","isH3":false,"specifications":[{"bcdSpecificationURL":"https://html.spec.whatwg.org/multipage/input.html#attr-input-accept","title":"HTML Standard"}],"query":"html.elements.input.accept"}},{"type":"browser_compatibility","value":{"title":"浏览器兼容性","id":"浏览器兼容性","isH3":false,"query":"html.elements.input.accept"}},{"type":"prose","value":{"id":"参见","title":"参见","isH3":false,"content":"<ul>\n <li><a href=\"/zh-CN/docs/Web/API/File_API/Using_files_from_web_applications\">在 web 应用中使用文件</a></li>\n <li><a href=\"/zh-CN/docs/Web/API/File\">File API</a></li>\n</ul>"}}],"toc":[{"text":"尝试一下","id":"尝试一下"},{"text":"概述","id":"概述"},{"text":"示例","id":"示例"},{"text":"唯一文件类型标识符","id":"唯一文件类型标识符"},{"text":"使用 file 输入","id":"使用_file_输入"},{"text":"规范","id":"规范"},{"text":"浏览器兼容性","id":"浏览器兼容性"},{"text":"参见","id":"参见"}],"summary":"accept 属性的值是一个以逗号分隔的列表,其中包含一个或多个文件类型/唯一文件类型标识符(描述了允许的文件类型)。","popularity":0.0033,"modified":"2024-09-19T08:46:55.000Z","other_translations":[{"locale":"de","title":"HTML-Attribut: accept","native":"Deutsch"},{"locale":"en-US","title":"HTML attribute: accept","native":"English (US)"},{"locale":"es","title":"HTML el atributo: accept","native":"Español"},{"locale":"fr","title":"Attribut HTML : accept","native":"Français"},{"locale":"ja","title":"HTML 属性: accept","native":"日本語"}],"pageType":"unknown","source":{"folder":"zh-cn/web/html/attributes/accept","github_url":"https://github.com/mdn/translated-content/blob/main/files/zh-cn/web/html/attributes/accept/index.md","last_commit_url":"https://github.com/mdn/translated-content/commit/63226bd052b08dca5092ebb2f36c3c20d11328fb","filename":"index.md"},"short_title":"HTML 属性:accept","parents":[{"uri":"/zh-CN/docs/Web","title":"面向开发者的 Web 技术"},{"uri":"/zh-CN/docs/Web/HTML","title":"HTML(超文本标记语言)"},{"uri":"/zh-CN/docs/Web/HTML/Attributes","title":"HTML 属性参考"},{"uri":"/zh-CN/docs/Web/HTML/Attributes/accept","title":"HTML 属性:accept"}],"pageTitle":"HTML 属性:accept - HTML(超文本标记语言) | MDN","noIndexing":false}}</script></body></html>