

<table style="table-layout:fixed;width:200px" border="1" cellspacing="1" cellpadding="1"> <tr> <td style="width:100px">1</td> <td colspan="2">2</td> </tr> <tr> <td>1.1</td> <td style="width:80px">2.1</td> <td style="width:20px">2.2</td> </tr> </table>
下面给出解决方法,table-layout:fixed 样式使用后,除第一行外,剩下的行中单元格的宽度,是按照第一行中的单元格宽度设定的,既然这样,我们就设置一个隐藏的行来规定宽度:
<table style="table-layout:fixed;width:200px" border="1" cellspacing="1" cellpadding="1"> <tr style="display:none"> <td style="width:100px"></td> <td style="width:80px"></td> <td style="width:20px"></td> </tr> <tr> <td>1</td> <td colspan="2">2</td> </tr> <tr> <td>1.1</td> <td>2.1</td> <td>2.2</td> </tr> </table>
这个方法,在IE6,IE7,IE8中都可以正确地显示,但在非IE中,是没起作用的。下面给出另外一种方法:
<style>
td{border:1px solid red;}
</style>
<table style="table-layout:fixed;width:200px" border="0" cellspacing="1" cellpadding="1">
<tr style="height:0;">
<th style="width:100px"></th>
<th style="width:80px"></th>
<th style="width:20px"></th>
</tr>
<tr>
<td>1</td>
<td colspan="2">2</td>
</tr>
<tr>
<td>1.1</td>
<td>2.1</td>
<td>2.2</td>
</tr>
</table>