0
如何possibily知道從餐桌的全產品總數量的總和,另外,如何自動給它編號像1,2,3項數量總數量與jQuery計算插件
任何意見之前,可以理解的
小提琴這裏>>
<table width="500">
<col style="width: 50px;" />
<col />
<col style="width: 60px;" />
<col style="width: 110px;" />
<tr>
<th>
No #
</th>
<th>
Qty
</th>
<th align="left">
Product
</th>
<th>
Price
</th>
<th>
Total
</th>
</tr>
<tr>
<td>?</td>
<td align="center">
<input type="text" name="qty_item_1" id="qty_item_1" value="1" size="2" />
</td>
<td>
<a href="http://www.packtpub.com/jQuery/book">Learning jQuery</a>
</td>
<td align="center" id="price_item_1">
$39.99
</td>
<td align="center" id="total_item_1">
$39.99
</td>
</tr>
<tr>
<td>?</td>
<td align="center">
<input type="text" name="qty_item_2" id="qty_item_2" value="1" size="2" />
</td>
<td>
<a href="http://jquery.com/">jQuery Donation</a>
</td>
<td align="center" id="price_item_2">
$14.99
</td>
<td align="center" id="total_item_2">
$14.99
</td>
</tr>
<tr>
<td>Total QTY</td>
<td>?</td>
<td colspan="3" align="right">
<strong>Grand Total:</strong>
</td>
<td align="center" id="grandTotal">
</td>
</tr>
</table>
感謝
熱烈