• 如何建立以下表格结构:
<table>
<tr>
<td>
one
</td>
<td>
two
</td>
<td>
three
</td>
</tr>
<tr>
<td>
single
</td>
</tr>
<tr>
<td>
one
</td>
<td>
two
</td>
<td>
three
</td>
</tr>
<tr>
<td>
single
</td>
</tr>
</table>
i.e. 候补行有3/1col。