看代码
<html>
<head>
</head>
<table border= "1" width= "200 " >
<tr>
<td colspan="4" >ss
</td>
</tr>
<tr>
<td width= "25% "> 1 </td>
<td width= "25% "> 1 </td>
<td width= "25% "> 1 </td>
<td width= "25% "> 1 </td>
</tr>
<tr>
<td width= "25% "rowspan="2"> 2 </td>
<td width= "25% "> 2 </td>
<td width= "25% "> 2 </td>
<td width= "25% "> 2 </td>
</tr>
<tr>
<td width= "25% "> 3 </td>
<td width= "25% " rowspan="3"> 3 </td>
<td width= "25% "> 3 </td>
</tr>
<tr>
<td width= "25% " colspan="2" > 4 </td>
<td width= "25% "> 4 </td>
</tr>
<tr>
<td width= "25% "> 5 </td>
<td width= "25% "> 5 </td>
<td width= "25% "> 5 </td>
</tr>
</table>
</html>
结果
