• 【JavaScript&jQuery】购物车自动结算


    <!doctype html>  
    <html lang="en">  
     <head>  
      <meta charset="UTF-8">  
      <title>购物车</title>  
      <script type="text/javascript" src="js/jquery-1.11.1.min.js"></script>  
      <style>  
        *{margin: 0;padding: 0}  
        a{text-decoration: none;}  
        ul li{float: left;list-style: none;}  
        #wrapper{max- 640px;min- 320px;font-size: 12px;font-family: "微软雅黑";height: 370px;margin: 50px auto;}  
        #wrapper #content{ 100%;float: left;}  
        #wrapper #content .goods_lists{ 100%;float:left; }  
        #wrapper #content .goods_lists .list{96%;padding: 0 2%;}  
        #wrapper #content .goods_lists .list li{ 100%;height: 100px;border: 1px solid #c7000a;margin-top: 15px;float: left;background: #fffefe;}  
        .goods_lists .list li .checkbox{ 12px;height: 12px;position: relative;border:1px solid #999 ;float: left;margin-top: 45px;margin-left: 2%;z-index: 1}  
        .goods_lists .list li .checkbox .c_xz{position: absolute;top: -1px;left: 0px; 12px;height: 12px;display: none;}  
        .goods_lists .list li .door{float: left; 74px;height: 74px;margin: 12px 0 0 3%;border: 1px solid #999;}  
        .goods_lists .list li .l_right{ 62%;height: 74px;float: left;margin-top: 12px;padding-left: 2%}  
        .goods_lists .list li .l_right .l_r_desc{max- 100%;overflow: hidden;color: #555; line-height:22px;height: 22px;}  
        .goods_lists .list li .l_right .price{color: #555;}  
        .goods_lists .list li .l_right .price span{color: #c7000a;}  
        .goods_lists .list li .l_right .old_price{text-decoration: line-through;float: left; 100%;color: #555}  
        .goods_lists .list li .l_right .l_bot{ 66%;height:20px;float: right; color: #555;}  
        .goods_lists .list li .l_right .l_bot p{float: left;padding-top: 2px;}  
        .goods_lists .list li .l_right .l_bot input{float: left;17%;height: 14px;text-align: center;border:1px solid #999;margin-top: 3px; }  
        .goods_lists .list li .l_right .l_bot a{float: left; margin: 3px 3%;}  
        .goods_lists .list li .l_right .l_bot .rubbish{margin-left: 5%;}  
        #wrapper #content .checkout{float: left; 100%;height: 50px;background: #fffefe;border-top:1px solid #999;border-bottom: 1px solid #999;margin-top: 20px; }  
        #wrapper #content .checkout .c_left{float: left; 47%;height: 35px;font-size: 12px;color: #555;padding-left: 3%;line-height: 50px;}  
        #wrapper #content .checkout .c_left span{color: #c7000a;}  
        #wrapper #content .checkout .c_right{float: left; 50%;height: 50px;background: #c7000a;color: #fefdfd;text-align: center;font-size: 14px;line-height: 50px;}  
     </style>  
     </head>  
     <body>  
        <div id="wrapper">  
            <div id="content">  
                <div class="goods_lists">  
                    <ul id="listbox" class="list">  
                        <li>  
                            <div class='checkbox'>  
                                <div class='c_xz'><img src='images/checkbox.png' width='12' height='12'></div>  
                            </div>  
                            <a class='door' href='javascript:void(0);'><img src='images/list1.jpg' width='74' height='74' alt='阿迪达斯男鞋' /></a>  
                            <div class='l_right'>  
                                <p class='l_r_desc'>ADIDAS阿迪达斯 三叶草经典板鞋 ZX700跑步鞋</p>  
                                <p class='price'>价格:<span>¥<span class='money'  data-money='461'>461.00</span></span></p>  
                                <p class='old_price'>885.00</p>  
                                <div class='l_bot'>  
                                    <p>数量 :</p>  
                                    <a class='remove' href='javascript:void(0);'><img src='images/remove.png' width='15' height='15'></a>  
                                    <input type='text' data-max='10' class='num' value='1' />  
                                    <a class='add' href='javascript:void(0);'><img src='images/add.png' width='15' height='15'></a>  
                                    <a class='rubbish' href='javascript:void(0);'><img src='images/rubbish.png' width='14' height='16'></a>  
                                </div>  
                            </div>  
                        </li>  
                        <li>  
                            <div class='checkbox'>  
                                <div class='c_xz'><img src='images/checkbox.png' width='12' height='12'></div>  
                            </div>  
                            <a class='door' href='javascript:void(0);'><img src='images/list2.jpg' width='74' height='74' alt='iphone6s plus' /></a>  
                            <div class='l_right'>  
                                <p class='l_r_desc'>Apple/苹果 iPhone 6s Plus Android6.0操作系统</p>  
                                <p class='price'>价格:<span>¥<span class='money'  data-money='3999.99'>3999.99</span></span></p>  
                                <p class='old_price'>5768.00</p>  
                                <div class='l_bot'>  
                                    <p>数量 :</p>  
                                    <a class='remove' href='javascript:void(0);'><img src='images/remove.png' width='15' height='15'></a>  
                                    <input type='text' data-max='10' class='num' value='1' />  
                                    <a class='add' href='javascript:void(0);'><img src='images/add.png' width='15' height='15'></a>  
                                    <a class='rubbish' href='javascript:void(0);'><img src='images/rubbish.png' width='14' height='16'></a>  
                                </div>  
                            </div>  
                        </li>  
                    </ul>  
                </div>  
                <div class="checkout">  
                    <div class="c_left">  
                        合计(不含运费): <span>¥<span id="sum">0.00</span></span>    
                    </div>  
                    <a href="javascript:">  
                        <div class="c_right">  
                            单子(<span id="count">0</span></div>  
                    </a>  
                </div>  
            </div>  
        </div>  
      
        <script type="text/javascript">  
            $(function(){  
                //删除商品  
                $("#listbox").on("click",".rubbish",function(){  
                    $(this).parents("li").remove();  
                    tm_total();  
                });  
      
                //商品复选框的选中和不选中  
                $("#listbox").on("click",".checkbox",function(){  
                    $(this).find(".c_xz").toggle();  
                    tm_total();  
                });  
      
                //商品数量的添加和减少  
                $("#listbox").on("click",".add",function(){  
                    var $input = $(this).prev();  
                    var value = $input.val();  
                    var max = $input.data("max");  
                    value++;  
                    if(value > max)value = max;  
                    $input.val(value);    
                    tm_total();  
                }).on("click",".remove",function(){  
                    var $input = $(this).next();  
                    var value = $input.val();  
                    value--;  
                    if(value<=0)value=1;  
                    $input.val(value);    
                    tm_total();  
                });  
            });  
      
            //求总和  
            function tm_total(){  
                var total = 0;  
                $("#listbox").find("li").each(function(){  
                    var flag = $(this).find(".c_xz").is(":visible");  
                    if(flag){  
                        var money = $(this).find(".money").data("money");  
                        var number = $(this).find(".num").val();  
                        total += money * number;  
                    }  
                });  
                //求用户购买了多少个商品  
                var length =$("#listbox").find(".c_xz:visible").length;  
                $("#count").text(length);  
                $("#sum").text(total);  
            };  
      
        </script>  
        
     </body>  
    </html>

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  • 原文地址:https://www.cnblogs.com/dflmg/p/6385299.html
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