转载 css截取td里面的内容 如何固定td th的宽度

源博客地址：http://blog.csdn.net/u011456552/article/details/53839255

效果图：

源码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Szy1000</title>
    <style>
        body{
            background-color: #ccc;
        }
        td{
            padding: 0 10px;
            width: 40px;
            height: 30px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
    </style>
</head>
<body>
    <table style="border-collapse:collapse;table-layout:fixed;"  width="50%" border="1">
        <tbody>
            <tr>
                <th width="80px">编号</th>
                <th>内容</th>
            </tr>
            <tr>
                <td width="80px">12123121231</td>
                <td>12456</td>
            </tr>
        </tbody>
    </table>
</body>
</html>