jQuery实现购物车表单自动结算效果实例

2019-11-20 11:52:49

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本文实例讲述了jQuery实现购物车表单自动结算效果。分享给大家供大家参考。具体如下：

这里jQuery实现购物车表单自动结算，只要用户把所购商品的数量输入进去，就可以适时计算出商品总额，金额+运费，类似淘宝的购物车结算功能，计算过程是适时的，用jquery实现了Ajax不刷新网页就计算的功能，做购物类网站的或许可以用上这个例子。

运行效果截图如下：

具体代码如下：

<!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>

希望本文所述对大家的jquery程序设计有所帮助。

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