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- </a> </li> <li class=""> <a href="/jiaocheng/co-1055.html"> <img></a> </li> <li class=""> <a href="/jiaocheng/co-1056.html"> <input></a> </li> <li class=""> <a href="/jiaocheng/co-1057.html"> <ins></a> </li> <li class=""> <a href="/jiaocheng/co-1058.html"> <kbd></a> </li> <li class=""> <a href="/jiaocheng/co-1059.html"> <keygen></a> </li> <li class=""> <a href="/jiaocheng/co-1060.html"> <label></a> </li> <li class=""> <a href="/jiaocheng/co-1061.html"> <legend></a> </li> <li class=""> <a href="/jiaocheng/co-1062.html"> <li></a> </li> <li class=""> <a href="/jiaocheng/co-1063.html"> <link></a> </li> <li class=""> <a href="/jiaocheng/co-1064.html"><main></a> </li> <li class=""> <a href="/jiaocheng/co-1065.html"> <map></a> </li> <li class=""> <a href="/jiaocheng/co-1066.html"> <mark></a> </li> <li class=""> <a href="/jiaocheng/co-1067.html"> <menu></a> </li> <li class=""> <a href="/jiaocheng/co-1068.html"> <meta></a> </li> <li class=""> <a href="/jiaocheng/co-1069.html"> <meter></a> 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</li> <li class=""> <a href="/jiaocheng/co-1085.html"> <rp></a> </li> <li class=""> <a href="/jiaocheng/co-1086.html"> <rt></a> </li> <li class=""> <a href="/jiaocheng/co-1087.html"> <ruby></a> </li> <li class=""> <a href="/jiaocheng/co-1088.html"> <s></a> </li> <li class=""> <a href="/jiaocheng/co-1089.html"> <samp></a> </li> <li class=""> <a href="/jiaocheng/co-1090.html"><script> </a> </li> <li class=""> <a href="/jiaocheng/co-1091.html"> <section></a> </li> <li class=""> <a href="/jiaocheng/co-1092.html"> <select></a> </li> <li class=""> <a href="/jiaocheng/co-1093.html"> <small></a> </li> <li class=""> <a href="/jiaocheng/co-1094.html"> <source></a> </li> <li class=""> <a href="/jiaocheng/co-1095.html"> <span></a> </li> <li class=""> <a href="/jiaocheng/co-1096.html"> <strike></a> </li> <li class=""> <a href="/jiaocheng/co-1097.html"> <strong></a> </li> <li class=""> <a href="/jiaocheng/co-1098.html"> <style></a> </li> <li class=""> <a href="/jiaocheng/co-1099.html"> <sub></a> </li> <li class=""> <a href="/jiaocheng/co-1100.html"> <summary></a> </li> <li class=""> <a href="/jiaocheng/co-1101.html"> <sup></a> </li> <li class=""> <a href="/jiaocheng/co-1102.html"> <table></a> </li> <li class=""> <a href="/jiaocheng/co-1103.html"> <tbody></a> </li> <li class=""> <a href="/jiaocheng/co-1104.html"> <td></a> </li> <li class=""> <a href="/jiaocheng/co-1105.html"> <textarea></a> </li> <li class=""> <a href="/jiaocheng/co-1106.html"> <tfoot></a> </li> <li class=""> <a href="/jiaocheng/co-1107.html"> <th></a> </li> <li class=""> <a href="/jiaocheng/co-1108.html"> <thead></a> </li> <li class=""> <a href="/jiaocheng/co-1109.html"> <time></a> </li> <li class=""> <a href="/jiaocheng/co-1110.html"> <title></a> </li> <li class=""> <a href="/jiaocheng/co-1111.html"> <tr></a> </li> <li class=""> <a href="/jiaocheng/co-1112.html"> <track></a> </li> <li class=""> <a href="/jiaocheng/co-1113.html"> <tt></a> </li> <li class=""> <a href="/jiaocheng/co-1114.html"> <u></a> </li> <li class=""> <a href="/jiaocheng/co-1115.html"> <ul></a> </li> <li class=""> <a href="/jiaocheng/co-1116.html"> <var></a> </li> <li class=""> <a href="/jiaocheng/co-1117.html"> <video></a> </li> <li class=""> <a href="/jiaocheng/co-1118.html"> <wbr></a> </li> </ul> </div>  <div id='write' class='is-node'> <h1 class="border-b-none"><a name="" class="md-header-anchor"></a><span>HTML <video> poster 属性</span></h1> <div class="pre-and-next"> <a href="co-4659.html">上一篇：HTML <video> muted 属性</a> <a href="co-4661.html" >下一篇：HTML <video> preload 属性 </a> </div> <div class="article-intro" id="content"><p><a href="co-1117.html"><img alt="HTML video 标签参考手册" class="navup" src="/uploadfile/up/3e/a9/18/41e5761fb9ace3ecbd611c59b218a93e.jpg"/> HTML <video> 标签</a></p><div class="example"> <h2 class="example">实例</h2> <p>带有预览图的视频播放器：</p> <div class="example_code"> <div class="hl-main"><span class="hl-brackets"><</span><span class="hl-reserved">video</span><span class="hl-code"> </span><span class="hl-var">controls</span><span class="hl-code"> </span><span class="hl-var">poster</span><span class="hl-code">=</span><span class="hl-quotes">"</span><span class="hl-string">/images/w3html5.gif</span><span class="hl-quotes">"</span><span class="hl-brackets">></span><span class="hl-code"> </span><span class="hl-brackets"><</span><span class="hl-reserved">source</span><span class="hl-code"> </span><span class="hl-var">src</span><span class="hl-code">=</span><span class="hl-quotes">"</span><span class="hl-string">movie.mp4</span><span class="hl-quotes">"</span><span class="hl-code"> </span><span class="hl-var">type</span><span class="hl-code">=</span><span class="hl-quotes">"</span><span class="hl-string">video/mp4</span><span class="hl-quotes">"</span><span class="hl-brackets">></span><span class="hl-code"> </span><span class="hl-brackets"><</span><span class="hl-reserved">source</span><span class="hl-code"> </span><span class="hl-var">src</span><span class="hl-code">=</span><span class="hl-quotes">"</span><span class="hl-string">movie.ogg</span><span class="hl-quotes">"</span><span class="hl-code"> </span><span class="hl-var">type</span><span class="hl-code">=</span><span class="hl-quotes">"</span><span class="hl-string">video/ogg</span><span class="hl-quotes">"</span><span class="hl-brackets">></span><span class="hl-code"> 您的浏览器不支持 video 标签。 </span><span class="hl-brackets"></</span><span class="hl-reserved">video</span><span class="hl-brackets">></span></div> </div> <br/> </div><hr/><h2>浏览器支持</h2><p> <img alt="Internet Explorer" height="30" src="/uploadfile/up/4e/a4/5d/6de56157646f895dc3df5461415da44e.jpg" title="Internet Explorer" width="31"/><img alt="Firefox" height="30" src="/uploadfile/up/00/0c/91/2b336d55073fa6256944bff0e3910c00.jpg" title="Firefox" width="31"/><img alt="Opera" height="30" src="/uploadfile/up/6f/c9/2f/2fde4bf7adb5ab30bcc93bcca92fc96f.jpg" title="Opera" width="28"/><img alt="Google Chrome" height="30" src="/uploadfile/up/6a/8e/5a/cb756c591b627ba35012a37de65a8e6a.jpg" title="Google Chrome" width="31"/><img alt="Safari" height="30" src="/uploadfile/up/a1/dc/41/cb5ba57a8254753663d18a4a0a41dca1.jpg" title="Safari" width="28"/></p><p>所有主流浏览器都支持 poster 属性。</p><p><b>注意：</b> Internet Explorer 8 及更早IE版本不支持 <video> 标签。</p><hr/><h2>定义和用法</h2><p>poster 属性指定视频下载时显示的图像，或者在用户点击播放按钮前显示的图像。</p><hr/><h2>HTML 4.01 与 HTML5之间的差异</h2><p><video> 标签是HTML5新标签。</p><hr/><h2>语法</h2><div class="code notranslate"><div> <video poster="<i>URL</i>"> </div></div><h2>属性值</h2><table class="reference notranslate"> <tbody><tr> <th width="20%">值</th> <th>描述</th> </tr> <tr> <td><i>URL</i></td> <td>指定图片文件的URL。<p>可能值：</p> <ul> <li>绝对URL - 指向另外一个站点URL (如：href="http://www.example.com/poster.jpg")</li> <li>相对URL - 指向同个站点的URL (如： href="poster.jpg")</li> </ul> </td> </tr> </tbody></table><hr/><a href="co-1117.html"><img alt="HTML video 标签参考手册" class="navup" src="/uploadfile/up/3e/a9/18/41e5761fb9ace3ecbd611c59b218a93e.jpg"/> HTML <video> 标签</a>其他扩展</div> <div class="pre-and-next"> <a href="co-4659.html">上一篇：HTML <video> muted 属性</a> <a href="co-4661.html" >下一篇：HTML <video> preload 属性 </a> </div> </div> <div class="right-nav-con" id="rightNavCon"> <ul id="rightNavList"> <li><strong>分类导航</strong></li> <li data-type="dropdown"> <a href="javascript:;">HTML/CSS  <i class="opacity-5 fa fa-angle-down" aria-hidden="true"></i> </a> <dl class="height-0"> <dd><a href="/jiaocheng/bootstrap/" class="">Bootstrap 教程</a></dd> <dd><a href="/jiaocheng/bootstrap4/" class="">Bootstrap4 教程</a></dd> <dd><a href="/jiaocheng/css/" class="">CSS 教程</a></dd> <dd><a href="/jiaocheng/css3/" class="">CSS3 教程</a></dd> <dd><a href="/jiaocheng/html/" class="">HTML 教程</a></dd> <dd><a href="/jiaocheng/html5jc/" class="">HTML5教程</a></dd> </dl> </li> <li data-type="dropdown"> <a href="javascript:;">JavaScript  <i class="opacity-5 fa fa-angle-down" aria-hidden="true"></i> </a> <dl class="height-0"> <dd><a href="/jiaocheng/ajax/" class="">Ajax 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