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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-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> <th></span></h1> <div class="pre-and-next"> <a href="co-1106.html">上一篇： <tfoot></a> <a href="co-1108.html" >下一篇： <thead> </a> </div> <div class="article-intro" id="content"><div class="example"> <h2 class="example">实例</h2> <p>一个简单的 HTML 表格，带有两个表头单元格和两个数据单元格：</p> <div class="example_code notranslate"> <table border="1"><br/> <tr><br/> <th>Month</th><br/> <th>Savings</th><br/> </tr><br/> <tr><br/> <td>January</td><br/> <td>$100</td><br/> </tr><br/> </table> </div> <br/><br/>（更多实例见页面底部） </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 <th> 标签。</p><hr/><h2>标签定义及使用说明</h2><p><th> 标签定义 HTML 表格中的表头单元格。</p><p>HTML 表格有两种单元格类型：</p><ul> <li>表头单元格 - 包含头部信息（由 <th> 元素创建）</li> <li>标准单元格 - 包含数据（由 <a href="co-1104.html"><td></a> 元素创建）</li> </ul><p><th> 元素中的文本通常呈现为粗体并且居中。</p><p><td> 元素中的文本通常是普通的左对齐文本。</p><hr/><h2>提示和注释</h2><p><b>提示：</b>如果需要将内容横跨多个行或列，请使用 colspan 和 rowspan 属性！</p><hr/><h2>HTML 4.01 与 HTML5之间的差异</h2><p>HTML 5 中不再支持 HTML 4.01 中的某些属性。</p><hr/><h2>属性</h2><table class="reference notranslate"> <tbody><tr> <th align="left" width="20%">属性</th> <th align="left" width="20%">值</th> <th align="left" width="60%">描述</th> </tr> <tr> <td><a href="co-4623.html">abbr</a></td> <td><i>text</i></td> <td> <span class="deprecated">HTML5 不支持。</span> 规定表头单元格中内容的缩写版本。</td> </tr> <tr> <td><a href="co-4624.html">align</a></td> <td>left<br/> right<br/> center<br/> justify<br/> char</td> <td> <span class="deprecated">HTML5 不支持。</span> 规定表头单元格内容的水平对齐方式。</td> </tr> <tr> <td><a href="co-4625.html">axis</a></td> <td><i>category_name</i></td> <td> <span class="deprecated">HTML5 不支持。</span> 对表头单元格进行分类。</td> </tr> <tr> <td><a href="co-4626.html">bgcolor</a></td> <td><i>rgb(x,x,x)<br/> #xxxxxx<br/> colorname</i></td> <td> <span class="deprecated">HTML5 不支持。HTML 4.01 已废弃。</span> 规定表头单元格的背景颜色。</td> </tr> <tr> <td><a href="co-4627.html">char</a></td> <td><i>character</i></td> <td> <span class="deprecated">HTML5 不支持。</span> 规定根据哪个字符来进行内容的对齐。</td> </tr> <tr> <td><a href="co-4628.html">charoff</a></td> <td> <i>number</i> </td> <td> <span class="deprecated">HTML5 不支持。</span> 规定对齐字符的偏移量。</td> </tr> <tr> <td><a href="co-4629.html">colspan</a></td> <td><i>number</i></td> <td>规定表头单元格可横跨的列数。</td> </tr> <tr> <td><a href="co-4630.html">headers</a></td> <td><i>header_id</i></td> <td>规定与表头单元格相关联的一个或多个表头单元格。</td> </tr> <tr> <td><a href="co-4631.html">height</a></td> <td><i>pixels<br/> %</i></td> <td> <span class="deprecated">HTML5 不支持。HTML 4.01 已废弃。</span> 规定表头单元格的高度。</td> </tr> <tr> <td><a href="co-4632.html">nowrap</a></td> <td>nowrap</td> <td> <span class="deprecated">HTML5 不支持。HTML 4.01 已废弃。</span> 规定表头单元格中的内容是否折行。</td> </tr> <tr> <td><a href="co-4633.html">rowspan</a></td> <td><i>number</i></td> <td>规定表头单元格可横跨的行数。</td> </tr> <tr> <td><a href="co-4634.html">scope</a></td> <td>col<br/> colgroup<br/> row<br/> rowgroup</td> <td>规定表头单元格是否是行、列、行组或列组的头部。</td> </tr> <tr> <td><a href="co-4635.html">valign</a></td> <td>top<br/> middle<br/> bottom<br/> baseline</td> <td> <span class="deprecated">HTML5 不支持。</span> 规定表头单元格内容的垂直排列方式。</td> </tr> <tr> <td><a href="co-4636.html">width</a></td> <td><i>pixels<br/> %</i></td> <td> <span class="deprecated">HTML5 不支持。HTML 4.01 已废弃。</span> 规定表头单元格的宽度。</td> </tr> </tbody></table><hr/><h2>全局属性</h2><p><th> 标签支持 <a href="co-981.html">HTML 的全局属性</a>。</p><hr/><h2>事件属性</h2><p><th> 标签支持所有 <a href="co-982.html">HTML 的事件属性</a>。</p><hr/><div class="tryit_ex"> <img alt="Examples" height="46px" src="/uploadfile/up/4d/fd/07/021652adaa83eb0fee6d2a726b07fd4d.jpg" width="40"/><h2>运行代码 - 实例</h2> </div><p> <a href="/runcode/run_html5/?filename=tryhtml_table_header" target="_blank">表格中的标题</a><br/> 本例演示如何显示表格标题。</p><p> <a href="/runcode/run_html5/?filename=tryhtml_table_nbsp" target="_blank">空单元格</a><br/> 本例演示如何使用 "&nbsp;" 处理没有内容的单元格。</p><p> <a href="/runcode/run_html5/?filename=tryhtml_caption_test" target="_blank">带有标题的表格</a><br/> 本例演示一个带标题(caption)的表格。</p><p> <a href="/runcode/run_html5/?filename=tryhtml_table_elements" target="_blank">表格内的标签</a><br/> 本例演示如何在其他的元素内显示元素。</p><p> <a href="/runcode/run_html5/?filename=tryhtml_table_span" target="_blank">跨行或跨列的表格单元格</a><br/> 本例演示如何定义跨行或跨列的表格单元格。</p><hr/><h2>相关文章</h2><p>HTML 教程：<a href="/jiaocheng/co-1183.html">HTML 表格</a></p><p>HTML DOM 参考手册： <a href="/jiaocheng/co-1446.html">Th 对象</a></p></div> <div class="pre-and-next"> <a href="co-1106.html">上一篇： <tfoot></a> <a href="co-1108.html" >下一篇： <thead> </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 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