日期:2014-05-16 浏览次数:20401 次
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>无标题页</title>
<script type="text/javascript">
function test(th) {
table = th.parentNode;
while (table.tagName != "TABLE")
table = table.parentNode;
for (i = 1; i < table.rows.length; i++) {
table.rows[i].cells[2].innerHTML = parseFloat(table.rows[i].cells[0].innerHTML) * parseFloat(table.rows[i].cells[1].innerHTML);
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<table>
<thead>
<tr>
<th type="tc" name="price" onclick="test(this)">单价(元)</th>
<th type="tc" name="num">数量</th>
<th type="tx" name="totalprice">总价(元)</th>
</tr>
</thead>
<tbody>
<tr>
<td>33</td>
<td>2</td>
<td></td>
</tr>
<tr>
<td>12</td>
<td>5</td>
<td></td>
</tr>
</tbody>
</table>
</form>
</body>
</html>
------解决方案--------------------
function test(o){
var p=o.parentNode.getElementsByTagName("th");
var totalprice=1;
for(i=0;i<p.length;i++){
if(p[i].getAttribute("type")=='tc'){
totalprice*=parseFloat(p[i].innerHTML);
}else{
p[i].innerHTML=totalprice;
}
}
}