前端2，购物车加减，计算总金额（js版本）

    
    
    
        
        
        
    
    
    
    
    
    

        

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¥
                

                
¥21.90
                
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¥
                

                
¥24.00
                
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结 算
            
        
    
    
    
    
    


//css
body,ul,li,div,p,h1,h2,ol{margin: 0;padding: 0;}
ul,li,ol{list-style: none;}
.content{width: 810px; margin: 0 auto;  font-family: "微软雅黑";}
.logo{margin: 10px 0;}
.logo span{
    display: inline-block;
    float: right;
    width: 60px;
    height: 30px;
    line-height: 30px;
    font-size: 14px;
    background: #ff0000;
    color: #ffffff;
    text-align: center;
    border-radius: 10px;
    margin-top: 5px;
    margin-right: 10px;
    cursor: pointer;
    font-weight: bold;
}
.cartList{
    background: url("../images/shoppingBg.jpg") no-repeat;
    height: 414px;
    overflow: hidden;
}
.cartList ul{
    float: right;
    width: 450px;
}
.cartList ul:nth-of-type(1){
    margin-top: 125px;
}
.cartList ul:nth-of-type(2){
    margin-top:70px;
}
.cartList ul li{
    font-family: "微软雅黑";
    font-size: 12px;
    color: #666666;
    text-align: center;
    line-height: 25px;
    float: left;
}
.cartList ul li input[name="price"]{
    border: none;
    background: transparent;
    width: 45px;
    text-align: center;
}
.cartList ul li input[name="amount"]{
    width: 45px;
    text-align: center;
    border: 1px solid #999999;
    border-left: none;
    border-right: none;
    height: 21px;
}
.cartList ul li input[name="minus"],.cartList ul li input[name="plus"]{
    height: 25px;
    border: 1px #999999 solid;
    width: 25px;
    text-align: center;
}
.cartList ul li:nth-of-type(1){width: 130px;}
.cartList ul li:nth-of-type(2){width: 100px;}
.cartList ul li:nth-of-type(3){width: 130px;}
.cartList ul li p{cursor: pointer;}
.cartList ol{
    float: right;
    clear: both;
    margin-top: 60px;
}
.cartList ol li{
    float: left;
}
.cartList ol li:nth-of-type(1){
    color: #ff0000;
    width: 120px;
}
.cartList ol li span{display: inline-block;
    float: right;
    width: 80px;
    height: 35px;
    line-height: 35px;
    font-size: 14px;
    font-family: "微软雅黑";
    background: #ff0000;
    color: #ffffff;
    text-align: center;
    margin-top: 5px;
    margin-right: 15px;
    cursor: pointer;
    font-weight: bold;}