这个功能怎么实现?
<table style="width: 157px">
<tr>
<td style="width: 55px; height: 13px">
num1</td>
<td style="width: 43px; height: 13px">1</td>
<td style="height: 13px">
1</td>
</tr>
<tr>
<td style="width: 55px">
num2</td>
<td style="width: 43px">
1</td>
<td>
1</td>
</tr>
<tr>
<td style="width: 55px">
合计</td>
<td style="width: 43px">
2</td>
<td>
2</td>
</tr>
</table>
用asp代码实现合计,将前两行的数据相加,显示到下一行中