具体实现的计算效果为下图：
代码为：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>送货清单总价</title>
<style type="text/css">
/* 提交订单界面 */
#tab{ margin-bottom:10px;}
#tab > tbody > tr > td{ text-align:left; border-top:1px solid #ccc; padding:10px 0;}
#tab > thead > tr > th{ padding:15px 10px 15px 10px; text-align:left;}
.cac_tjdd_img > img{ width:100px; height:100px; border:1px solid #2b9ce8;}
.cac_wlsf{padding:5px 8px; background:#09F; color:#fff; position:absolute; top:10px; right:10px;}
.cac_zzsfp{ position:absolute; background:#fff; border:1px solid #2b9ce8; width:800px; height:555px; z-index:99; left:50%; top:100px; margin-left:-400px;}
.cac_zzsfp > h6{ border-bottom:1px solid #2b9ce8; color:#000; font-size:20px; padding:10px 10px;}
.cac_zzc1{ background:rgba(0,0,0,0.7); z-index:100; position:fixed; left:0; top:0; right:0; width:100%; height:100%; display:none;}
</style>
</head>
<body>
<div class="col-xs-12">
<table width="100%" border="0" id="tab" style="border-top:1px solid #7eb4dc;">
<thead>
<tr>
<th scope="col"> 送货清单</th>
<th scope="col"> </th>
<th scope="col"> 型号</th>
<th scope="col"> 单价</th>
<th scope="col"> 数量</th>
<th scope="col"> 小计</th>
</tr>
</thead>
<tbody>
<tr>
<td class="cac_tjdd_img"> <img src="img/1.jpg"></td>
<td> <span>凯立德K370S7英寸电容屏高清车载GPS导航仪</span></td>
<td> 7英寸</td>
<td> ￥<span class="cac_price">499</span></td>
<td> <span class="cac_num">2</span></td>
<td> ￥<span class="cac_zj"></span></td>
</tr>
<tr>
<td class="cac_tjdd_img"> <img src="img/1.jpg"></td>
<td> 凯立德K370S7英寸电容屏高清车载GPS导航仪</td>
<td> 7英寸</td>
<td> ￥<span class="cac_price">499</span></td>
<td> <span class="cac_num">1</span></td>
<td> ￥<span class="cac_zj"></span></td>
</tr>
</tbody>
</table>
</div>
<div class="col-xs-12 cac_mart_20">
<div class="pull-right">应付总额：<span style="color:#fa0707;">￥</span><span class="cac_total" style="color:#fa0707;"></span></div>
</div>
</body>
<script src="js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">
$(function(){
function setTotal(){
var s=0;
var st=0;
var aTr=$(‘#tab tbody tr‘);
var aNum=aTr.find(‘span[class=cac_num]‘);
var aPrice=aTr.find(‘span[class=cac_price]‘);
var totalPrice=aTr.find(‘span[class=cac_zj]‘);
aTr.each(function(index){
s=parseInt(aNum.eq(index).text())*parseFloat(aPrice.eq(index).text());
totalPrice.eq(index).text(s);
st+=s;
//s+=parseInt($(this).find(‘span[class=cac_num]‘).text())*parseFloat($(this).find(‘span[class=cac_price]‘).text());
});
$(".cac_total").html(st.toFixed(2)); //.toFixed()方法可把Number四舍五入为指定小数位数的数字 ，此处为保存2位小数
}
setTotal();
})
</script>
</html>
时间： 2024-12-24 12:29:40