<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>威易网CSS教程</title>
<style>
table tbody {
display:block;
height:195px;
overflow-y:scroll;
}
table thead, tbody tr {
display:table;
width:100%;
table-layout:fixed;
}
table thead {
width: calc( 100% - 1em )
}
table thead th{ background:#ccc;}
</style>
</head>
<body>
<table width="80%" border="1">
<thead>
<tr>
<th>姓名</th>
<th>年龄</th>
<th>出生年月</th>
<th>手机号码</th>
<th>单位</th>
</tr>
</thead>
<tbody>
<tr>
<td>张三</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴</td>
</tr>
<tr>
<td>张三封</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴与四十大盗</td>
</tr>
<tr>
<td>张小三</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>腾讯科技</td>
</tr>
<tr>
<td>张三</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>浏阳河就业</td>
</tr>
<tr>
<td>张三疯子</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴</td>
</tr>
<tr>
<td>张三</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴</td>
</tr>
<tr>
<td>张大三</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴</td>
</tr>
<tr>
<td>张三五</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴</td>
</tr>
<tr>
<td>张刘三</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴</td>
</tr>
<tr>
<td>张三</td>
<td>18</td>
<td>1990-9-9</td>
<td>13682299090</td>
<td>阿里巴巴</td>
</tr>
</tbody>
</table>
</body>
</html>
参考：http://www.weste.net/2016/01-15/108242.html