当修改商品数量时候,金额小计和商品数量合计,总金额合计会自动实时计算并显示,而不需要刷新页面。
请参考如下的源代码,在此基础上实现:<form action="shopcarta.asp" method="post" name="form1">
<table border=1 width=100%>
<tr bgcolor=gray>
<td>商品名称</td>
<td>货号</td>
<td>颜色</td>
<td>尺码</td>
<td>成交价</td>
<td>数量</td>
<td>小计</td>
</tr>
<tr>
<td>添香防辐射有扣马夹</td>
<td>FDB/60102</td>
<td><input type="text" name="Color" value="紫红色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥355</td>
<td><input type="text" name="quantity" value="2">件</td>
<td>¥710</td>
</tr>
<tr>
<td>添香防辐射收缩马夹</td>
<td>FDB/60206</td>
<td><input type="text" name="Color" value="麻灰色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥375</td>
<td><input type="text" name="quantity" value="4" >件</td>
<td>¥1500</td>
</tr>
<tr>
<td colspan=5 align=right>总计:</td>
<td>6件</td>
<td colspan=2>¥2210</td>
</tr>
</table>
<br><div align=center>
<input type="submit" name="submit" value="确定">
</div>
</form>
请参考如下的源代码,在此基础上实现:<form action="shopcarta.asp" method="post" name="form1">
<table border=1 width=100%>
<tr bgcolor=gray>
<td>商品名称</td>
<td>货号</td>
<td>颜色</td>
<td>尺码</td>
<td>成交价</td>
<td>数量</td>
<td>小计</td>
</tr>
<tr>
<td>添香防辐射有扣马夹</td>
<td>FDB/60102</td>
<td><input type="text" name="Color" value="紫红色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥355</td>
<td><input type="text" name="quantity" value="2">件</td>
<td>¥710</td>
</tr>
<tr>
<td>添香防辐射收缩马夹</td>
<td>FDB/60206</td>
<td><input type="text" name="Color" value="麻灰色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥375</td>
<td><input type="text" name="quantity" value="4" >件</td>
<td>¥1500</td>
</tr>
<tr>
<td colspan=5 align=right>总计:</td>
<td>6件</td>
<td colspan=2>¥2210</td>
</tr>
</table>
<br><div align=center>
<input type="submit" name="submit" value="确定">
</div>
</form>
<form action="shopcarta.asp" method="post" name="form1">
<table id="table_" border=1 width=100%>
<tr bgcolor=gray>
<td>商品名称</td>
<td>货号</td>
<td>颜色</td>
<td>尺码</td>
<td>成交价</td>
<td>数量</td>
<td>小计</td>
</tr>
<tr>
<td>添香防辐射有扣马夹</td>
<td>FDB/60102</td>
<td><input type="text" name="Color" value="紫红色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥355</td>
<td><input id="td_1" type="text" name="quantity" value="2" onkeyup="sum(this)" />件</td>
<td>¥710</td>
</tr>
<tr>
<td>添香防辐射收缩马夹</td>
<td>FDB/60206</td>
<td><input type="text" name="Color" value="麻灰色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥375</td>
<td><input id="td_2" type="text" name="quantity" value="4" onkeyup="sum(this)" />件</td>
<td>¥1500</td>
</tr>
<tr>
<td colspan=5 align=right>总计:</td>
<td>6件</td>
<td colspan=2>¥2210</td>
</tr>
</table>
<br><div align=center>
<input type="submit" name="submit" value="确定">
</div>
</form><script>
var num = 0;
var total = 0;
function sum(obj){
var tableObj = document.getElementById("table_");
var rows = tableObj.rows;
for(var i=0;i<rows.length;i++){
if(i>0 && i<rows.length-1){
var td_ = document.getElementById("td_"+i).value;
var price1 = (rows[i].cells[4].innerHTML).toString().substring(1);
var total1 = parseInt(price1,10) * parseInt(td_,10);
rows[i].cells[6].innerHTML = "¥"+total1;
num += parseInt(td_,10);
total += total1;
}
}
rows[rows.length-1].cells[1].innerHTML = num+"件";
rows[rows.length-1].cells[2].innerHTML = "¥"+total;
total = 0;
num = 0;
}
</script>
var pro1total=0;
var pro2total=0;
var totalprice=0;
var count1=0;
var count2 =0;
var totalcount = 0;
function getTotal(obj,t){
var count = obj.value;
if(t==1){
pro1total= count *355;document.getElementById('pro1total').innerHTML="¥"+pro1total;
count1=count;
}
else{
pro2total = count*710;
document.getElementById('pro2total').innerHTML="¥"+pro2total;
count2=count;
} totalcount =count1-"0"+(count2-"0");
totalprice = pro1total -"0"+(pro2total-"0");
document.getElementById('totalcount').innerHTML = totalcount +"件";
document.getElementById('totalprice').innerHTML = "¥"+totalprice;
}
</script><form action="shopcarta.asp" method="post" name="form1">
<table border=1 width=100%>
<tr bgcolor=gray>
<td>商品名称</td>
<td>货号</td>
<td>颜色</td>
<td>尺码</td>
<td>成交价</td>
<td>数量</td>
<td>小计</td>
</tr>
<tr>
<td>添香防辐射有扣马夹</td>
<td>FDB/60102</td>
<td><input type="text" name="Color" value="紫红色"></td>
<td><input type="text" name="Size" value="L"></td>
<td id = "pro1price">¥355</td>
<td><input type="text" name="quantity" value="0" onkeyup="getTotal(this,1)" >件</td>
<td id = "pro1total">¥</td>
</tr>
<tr>
<td>添香防辐射收缩马夹</td>
<td>FDB/60206</td>
<td><input type="text" name="Color" value="麻灰色"></td>
<td><input type="text" name="Size" value="L"></td>
<td id = "pro2price">¥375</td>
<td><input type="text" name="quantity" value="0" onkeyup="getTotal(this,2)" >件</td>
<td id = "pro2total">¥</td>
</tr>
<tr>
<td colspan=5 align=right>总计:</td>
<td id = "totalcount">0件</td>
<td colspan=2 id ="totalprice">¥</td>
</tr>
</table>
<br>
<div align=center>
<input type="submit" name="submit" value="确定">
</div>
</form>
<form action="shopcarta.asp" method="post" name="form1">
<table id="table_" border=1 width=100%>
<tr bgcolor=gray>
<td>商品名称</td>
<td>货号</td>
<td>颜色</td>
<td>尺码</td>
<td>成交价</td>
<td>数量</td>
<td>小计</td>
</tr>
<tr>
<td>添香防辐射有扣马夹</td>
<td>FDB/60102</td>
<td><input type="text" name="Color" value="紫红色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥355</td>
<td><input id="td_1" type="text" name="quantity" value="2" onkeyup="sum()" />件</td>
<td>¥710</td>
</tr>
<tr>
<td>添香防辐射收缩马夹</td>
<td>FDB/60206</td>
<td><input type="text" name="Color" value="麻灰色"></td>
<td><input type="text" name="Size" value="L"></td>
<td>¥375</td>
<td><input id="td_2" type="text" name="quantity" value="4" onkeyup="sum()" />件</td>
<td>¥1500</td>
</tr>
<tr>
<td colspan=5 align=right>总计:</td>
<td>6件</td>
<td colspan=2>¥2210</td>
</tr>
</table>
<br><div align=center>
<input type="submit" name="submit" value="确定">
</div>
</form><script>
var num = 0;
var total = 0;
var price_ = new Object();
var tableObj = document.getElementById("table_");
var rows = tableObj.rows;
for(var k=0;k<rows.length;k++){
if(k>0 && k<rows.length-1){
price_["td_"+k] = document.getElementById("td_"+k).value;
}
} function sum(){
for(var i=0;i<rows.length;i++){
if(i>0 && i<rows.length-1){
var td_ = document.getElementById("td_"+i).value;
if(isNaN(td_)){
alert("请输入数字");
document.getElementById("td_"+i).value = price_["td_"+i];
td_ = price_["td_"+i];
return;
} else if(td_ == "" || td_ == null){
td_ = 0;
}
price_["td_"+i] = parseInt(td_,10);
var price1 = (rows[i].cells[4].innerHTML).toString().substring(1);
var total1 = parseInt(price1,10) * parseInt(td_,10);
rows[i].cells[6].innerHTML = "¥"+total1;
num += parseInt(td_,10);
total += total1;
}
}
rows[rows.length-1].cells[1].innerHTML = num+"件";
rows[rows.length-1].cells[2].innerHTML = "¥"+total;
total = 0;
num = 0;
}
</script>