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jQuery realizes the automatic settlement effect of the shopping cart form_jquery

WBOY
WBOYOriginal
2016-05-16 15:46:071475browse

The example in this article describes the automatic settlement effect of jQuery on the shopping cart form. Share it with everyone for your reference. The details are as follows:

Here jQuery implements automatic settlement of the shopping cart form. As long as the user inputs the quantity of the purchased goods, the total amount of the goods and the shipping amount can be calculated in a timely manner, similar to Taobao's shopping cart settlement function. The calculation process is timely, using jquery The function of Ajax calculation without refreshing the web page has been implemented. Those who build shopping websites may use this example.

The screenshot of the running effect is as follows:

The specific code is as follows: 

<!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>
<title>jQuery购物车表单自动结算</title>
<style>
*{margin:0;padding:0;}
body{font:12px "Lucida Grande", Helvetica, Sans-Serif;padding:50px;}
table{border-collapse:collapse;}
#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;}
</style>
<script type="text/javascript" src="jquery-1.6.2.min.js"></script>
<script type="text/javascript">
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 {
  $this.css("background-color", "#ffdcdc");
 };
 calcProdSubTotal();
 calcTotalPallets();
 calcShippingTotal();
 calcOrderTotal();
 });
});
</script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>
<body>
<h1>jQuery购物车自动计算表单金额</h1>
<table id="order-table">
 <tr>
  <th>商品名称</th>
  <th>数量</th>
  <th>X</th>
  <th>单价</th>
  <th>=</th>
  <th style="text-align: right;">总计</th>
 </tr>
 <tr class="odd">
  <td class="product-title">裤子</td>
  <td class="num-pallets">
   <input type="text" class="num-pallets-input" id="turface-pro-league-num-pallets" ></input>
  </td>
  <td class="times">X</td>
  <td class="price-per-pallet">$<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">袜子</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">$<span>455</span></td>
  <td class="equals">=</td>
  <td class="row-total">
   <input type="text" class="row-total-input" id="turface-pro-league-red-row-total" disabled="disabled"></input>
  </td>
 </tr>
 <tr class="odd">
  <td class="product-title">婴儿用品</td>
  <td class="num-pallets">
   <input type="text" class="num-pallets-input" id="turface-quick-dry-num-pallets" ></input>
  </td>
  <td class="times">X</td>
  <td class="price-per-pallet">$<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">电脑用品</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">$<span>410</span></td>
  <td class="equals">=</td>
  <td class="row-total">
   <input type="text" class="row-total-input" id="turface-mound-clay-red-row-total" disabled="disabled"></input>
  </td>
 </tr>
 <tr class="odd">
  <td class="product-title">汽车装饰用品</td>
  <td class="num-pallets">
   <input type="text" class="num-pallets-input" id="diamond-pro-red-num-pallets" ></input>
  </td>
  <td class="times">X</td>
  <td class="price-per-pallet">$<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">家居装饰用品</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">$<span>340</span></td>
  <td class="equals">=</td>
  <td class="row-total">
   <input type="text" class="row-total-input" id="diamond-pro-drying-agent-row-total" disabled="disabled"></input>
  </td>
 </tr>
 <tr class="odd">
  <td class="product-title">生活用品</td>
  <td class="num-pallets">
   <input type="text" class="num-pallets-input" id="diamond-pro-professional-num-pallets" ></input>
  </td>
  <td class="times">X</td>
  <td class="price-per-pallet">$<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">建材用品</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;">产品小计:
   <input type="text" class="total-box" id="product-subtotal" disabled="disabled"></input>
  </td>
 </tr>
</table>
<table id="shipping-table">
 <tr>
  <th>总数量.</th>
  <th>X</th>
  <th>运费</th>
  <th>=</th>
  <th style="text-align: right;">总运费</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>订单总额: </span>
 <input type="text" class="total-box" id="order-total" disabled="disabled"></input>
 <br /><br />
 <input type="submit" value="提交结账" class="submit" />
</div>
</body>
</html>

I hope this article will be helpful to everyone’s jquery programming design.

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