html拆分单元格

rowspan="2" colspan="3"

可以设置跨行和跨列数

<table width="800" border="1">

<tr>

<td rowspan="2" colspan="1">

<br />

<br />

</td>

<td>

<br />

<br />

</td>

<td>

<br />

<br />

</td>

</tr>

<tr>

<td rowspan="2" colspan="2">

<br />

<br />

<br />

<br />

</td>

</tr>

<tr>

<td>

<br />

<br />

</td>

</tr>

</table>

把那一行改为如下：

<td colspan=1 rowspan=1>

<table>

<tr>

<td>3</td>

</tr>

<tr>

<td>4</td>

</tr>

</table>

</td>

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