> 跨行
<html>
<body> <table width="100%" border="">
<tr>
<th>col1</th>
<th>col2</th>
<th>col3</th>
<th>col4</th>
</tr>
<tr>
<td rowspan="">row1_col1</td>
<td rowspan="">row1_col2</td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
</tr>
</table> </body>
</html>
> 跨列
<html>
<body> <table width="100%" border="1">
<tr>
<th>col1</th>
<th>col2</th>
<th>col3</th>
<th>col4</th>
</tr>
<tr>
<td colspan="2">row1</td>
<td colspan="2">row1</td>
</tr>
<tr>
<td>1111</td>
<td>1111</td>
<td>2222</td>
<td>2222</td>
</tr>
<tr>
<td>1111</td>
<td>1111</td>
<td>2222</td>
<td>2222</td>
</tr>
</table> </body>
</html>