我正在构建一个购物车,每个产品至少有2种颜色和5种不同的尺寸。当有人订购这种产品他必须填写以下表格:检查可变数量的html文本输入值的总和
<table cellspacing="0">
<thead>
<tr>
<th class="tcl" scope="col">COLOUR/SIZE</th>
<th class="tc2" scope="col">34</th>
<th class="tc3" scope="col">36</th>
<th class="tcr" scope="col">38</th>
<th class="tcr4" scope="col">40</th>
<th class="tcr4" scope="col">42</th>
<th class="tcr4" scope="col">44</th>
<th class="tcr4" scope="col">48</th>
</tr>
</thead>
<tbody>
<tr class="tcl">
<td class="tcl">
<div class="intd">
<div class="tclcon">
<img src="http://mlhpro.29media.eu/uploads/produse/mlh-gloria-gown-black-mlh-2e299d-pm.jpg" width="20" height="20" border="0" /><br />
black</div>
</div>
</td>
<td class="tc2"><input type="text" name="qty_black_34" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tc3"><input type="text" name="qty_black_36" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr"><input type="text" name="qty_black_38" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_black_40" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_black_42" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_black_44" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_black_48" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
</tr>
<tr class="tcl">
<td class="tcl">
<div class="intd">
<div class="tclcon">
<img src="http://mlhpro.29media.eu/uploads/produse/mlh-gloria-gown-powder-mlh-e6847a-pm.jpg" width="20" height="20" border="0" /><br />
powder</div>
</div>
</td>
<td class="tc2"><input type="text" name="qty_powder_34" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tc3"><input type="text" name="qty_powder_36" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr"><input type="text" name="qty_powder_38" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_powder_40" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_powder_42" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_powder_44" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_powder_48" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
</tr>
<tr class="tcl">
<td class="tcl">
<div class="intd">
<div class="tclcon">
<img src="http://mlhpro.29media.eu/uploads/produse/mlh-gloria-gown-red-mlh-959b5f-pm.jpg" width="20" height="20" border="0" /><br />
red</div>
</div>
</td>
<td class="tc2"><input type="text" name="qty_red_34" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tc3"><input type="text" name="qty_red_36" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr"><input type="text" name="qty_red_38" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_red_40" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_red_42" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_red_44" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
<td class="tcr4"><input type="text" name="qty_red_48" value="" size="1" border="noborder" style="background-color:#F2ECDB; text-align:right;" /></td>
</tr>
</tbody>
</table>
所以我的输入字段命名此约定如下:"qty_" + "color name" + "size"
。
哪一种最简单的方法来检查输入值的总和是否至少为3?
的可能复制所有inpust的总和:HTTP:/ /stackoverflow.com/questions/2417553/jquery-calculate-sum-of-values-in-all-text-fields –
这不是重复的。每个产品的输入名称都不相同。 – Psyche
这是重复的。你可以全部添加他们相同的类(如在复制中)或使用jQuery的选择器 – RvdK