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jquery购物车实时计算总费用

 
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jQuery购物车自动计算金额表单

http://www.corange.cn//uploadfiles/20100823_70312.jpg


演示地址:
http://www.corange.cn/demo/3679/index.html
<!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>jQuery购物车自动计算金额表单</title>
<link rel="stylesheet" type="text/css" href="style.css" />
<script src="http://www.google.com/jsapi" type="text/javascript"></script>
<script type="text/javascript">
google.load("jquery", "1.2.6");
</script>
<script type="text/javascript" src="js/order.js"></script>
</head>
<body>
<table id="order-table">
<tr>
<th>Product Name</th>
<th>Quantity</th>
<th>X</th>
<th>Unit Price</th>
<th>=</th>
<th style="text-align: right;">Totals</th>
</tr>
<tr class="odd">
<td class="product-title">www.corange.cn<em></em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="turface-pro-league-num-pallets" >
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>340</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="turface-pro-league-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr class="even">
<td class="product-title">Turface&reg; Pro League Red - <em>Calcined Clay Top Dressing</em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="turface-pro-league-red-num-pallets">
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>455</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="turface-pro-league-red-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr class="odd">
<td class="product-title">Turface&reg; Quick Dry - <em>Calcined Clay Moisture Absorbent</em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="turface-quick-dry-num-pallets" >
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>300</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="turface-quick-dry-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr class="even">
<td class="product-title">Turface&reg; Mound Clay Red - <em>Virgin Red Clay</em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="turface-mound-clay-red-num-pallets">
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>410</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="turface-mound-clay-red-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr class="odd">
<td class="product-title">Diamond Pro&reg; Red Infield Conditioner - <em>Vitrified Clay Top Dressing</em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="diamond-pro-red-num-pallets" >
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>365</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="diamond-pro-red-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr class="even">
<td class="product-title">Diamond Pro&reg; Drying Agent - <em>Calcined Clay Moisture Absorbent</em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="diamond-pro-drying-agent-num-pallets">
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>340</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="diamond-pro-drying-agent-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr class="odd">
<td class="product-title">Diamond Pro&reg; Professional - <em>Calcined Clay Top Dressing</em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="diamond-pro-professional-num-pallets" >
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>375</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="diamond-pro-professional-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr class="even">
<td class="product-title">Diamond Pro&reg; Top Dressing - <em>Calcined Clay Soil Conditioner</em></td>
<td class="num-pallets">
<input type="text" class="num-pallets-input" id="diamond-pro-top-dressing-num-pallets">
</input>
</td>
<td class="times">X</td>
<td class="price-per-pallet">$<span>340</span></td>
<td class="equals">=</td>
<td class="row-total">
<input type="text" class="row-total-input" id="diamond-pro-top-dressing-row-total" disabled="disabled">
</input>
</td>
</tr>
<tr>
<td colspan="6" style="text-align: right;"> Product SUBTOTAL:
<input type="text" class="total-box" id="product-subtotal" disabled="disabled">
</input>
</td>
</tr>
</table>
<table id="shipping-table">
<tr>
<th>Total Qty.</th>
<th>X</th>
<th>Shipping Rate</th>
<th>=</th>
<th style="text-align: right;">Shipping Total</th>
</tr>
<tr>
<td id="total-pallets">
<input id="total-pallets-input" type="text" disabled="disabled">
</input>
</td>
<td>X</td>
<td id="shipping-rate">10.00</td>
<td>=</td>
<td style="text-align: right;">
<input type="text" class="total-box" id="shipping-subtotal" disabled="disabled">
</input>
</td>
</tr>
</table>
<div class="clear"></div>
<div style="text-align: right;">
<span>ORDER TOTAL: </span>
<input type="text" class="total-box" id="order-total" disabled="disabled">
</input>
<br />
<form action="#" method="post">
</form>
<input type="submit" value="Submit Order" class="submit" />
</form>
</body>
</html>
js文件
function IsNumeric(sText)

{
var ValidChars = "0123456789.";
var IsNumber=true;
var Char;


for (i = 0; i < sText.length && IsNumber == true; i++) 
{ 
Char = sText.charAt(i); 
if (ValidChars.indexOf(Char) == -1) 
{
IsNumber = false;
}
}
return IsNumber;

};

function calcProdSubTotal() {

var prodSubTotal = 0;

$(".row-total-input").each(function(){

var valString = $(this).val() || 0;

prodSubTotal += parseInt(valString);

});

$("#product-subtotal").val(prodSubTotal);

};

function calcTotalPallets() {

var totalPallets = 0;

$(".num-pallets-input").each(function() {

var thisValue = $(this).val();

if ( (IsNumeric(thisValue)) && (thisValue != '') ) {

totalPallets += parseInt(thisValue);

};

});

$("#total-pallets-input").val(totalPallets);

};

function calcShippingTotal() {

var totalPallets = $("#total-pallets-input").val() || 0;
var shippingRate = $("#shipping-rate").text() || 0;
var shippingTotal = totalPallets * shippingRate;

$("#shipping-subtotal").val(shippingTotal);

};

function calcOrderTotal() {

var orderTotal = 0;

var productSubtotal = $("#product-subtotal").val() || 0;
var shippingSubtotal = $("#shipping-subtotal").val() || 0;

var orderTotal = parseInt(productSubtotal) + parseInt(shippingSubtotal);
var orderTotalNice = "$" + orderTotal;

$("#order-total").val(orderTotalNice);

};

$(function(){

$('.num-pallets-input').blur(function(){

var $this = $(this);

var numPallets = $this.val();
var multiplier = $this
.parent().parent()
.find("td.price-per-pallet span")
.text();

if ( (IsNumeric(numPallets)) && (numPallets != '') ) {

var rowTotal = numPallets * multiplier;

$this
.css("background-color", "white")
.parent().parent()
.find("td.row-total input")
.val(rowTotal); 

} else {

$this.css("background-color", "#ffdcdc"); 

};

calcProdSubTotal();
calcTotalPallets();
calcShippingTotal();
calcOrderTotal();

});

});
CSS文件
* { margin: 0; padding: 0; }
body { font: 12px "Lucida Grande", Helvetica, Sans-Serif;
padding: 50px; }
table { border-collapse: collapse; }

h1 { font: bold 50px Helvetica; letter-spacing: -2px; margin: 0 0 3px 0; }

.clear { clear: both; }

#order-table { width: 100%; }
#order-table td { padding: 5px; }
#order-table th { padding: 5px; background: black; color: white; text-align: left; }
#order-table td.row-total { text-align: right; }
#order-table td input { width: 75px; text-align: center; }
#order-table tr.even td { background: #eee; }

#order-table td .total-box, 
.total-box { border: 3px solid green; width: 70px; padding: 3px; 
margin: 5px 0 5px 0; text-align: center; font-size: 14px; }

#shipping-subtotal { margin: 0; }

#shipping-table { width: 350px; float: right; }
#shipping-table td { padding: 5px; }

#shipping-table th { padding: 5px; background: black; color: white; text-align: left; }
#shipping-table td input { width: 69px; text-align: center; }

#order-total { font-weight: bold; font-size: 21px; width: 110px; } 

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原文地址:http://www.corange.cn/archives/2010/08/3679.html

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