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购物车选择
电动机的博客
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650 people have browsed it

<!DOCTYPE html>
<html>
<head>
  <title>模拟加入购物车效果</title>
 <!--  <link rel="icon" type="image/x-icon" href="static/images/favicon.ico"> -->
    <script type="text/javascript" src="css/jquery-3.3.1.min.js"></script>
    <style type="text/css">
    * {margin: 0px auto;padding: 0px;}
    .top {width: 402px;height: 35px;line-height: 35px;text-align:center;margin-top: 50px;
          background: #C40000;color:#fff;}
    .main {width: 400px;height: 400px;border: 1px solid #C40000;}
    p {width: 400px;height: 26px;margin-top:10px;}
    b {width: 90px;height: 26px;line-height: 26px;text-align: center;font-size: 12px;color:#838383;
       border: 1px solid #ccc;float: left;margin-left: 5px;}
    span {width: 90px;height: 26px;line-height: 26px;text-align: center;font-size: 12px;color:#838383;
          border: 1px solid #ccc;display: block;float: left;margin-left: 5px;}
    span:hover {cursor: pointer;}
    button {width: 120px;height: 35px;background: #C40000;color: white;border: 0px;}
    button:hover {cursor: pointer;}
    .notice{border:0px;}
    .notice+input{width:60px;margin-left: 6px;text-align: center;}
    .select{border: 2px solid #fff000;
            width:88x;height: 24px ;
            color: #ff0000;
            line-height: 30px;
    }
    </style> 
</head>
<body>
  <div class="top">请选择信息后加入购物车</div>
  <div class="main">
    <p class="item" name="version">
      <b class="notice">版本</b>
      <span>ONE A2001</span>
      <span>ONE A0001</span>
      <span>ONE A1001</span>
    </p>
    <p class="item" name="color">
      <b class="notice">机身颜色</b>
      <span>白色</span>
      <span>黑色</span>
      <span>金色</span>
    </p>
    <p class="item" name="type">
      <b class="notice">套餐类型</b>
      <span>标配</span>
      <span>套餐一</span>
      <span>套餐二</span>
    </p>
    <p class="item" name="ram">
      <b class="notice">运行内存</b>
      <span>2GB</span>
      <span>3GB</span>
      <span>4GB</span>
    </p>
    <p class="item" name="rom">
      <b class="notice">机身内存</b>
      <span>16GB</span>
      <span>32GB</span>
      <span>64GB</span>
    </p>
    <p class="item" name="location">
      <b class="notice">产地</b>
      <span>中国大陆</span>
      <span>港澳台</span>
    </p>
    <p class="item" name="price">
      <b class="notice">价格</b>
      <span>999元抢购</span>
    </p>
    <p class="item1" name="num">
      <b class="notice">数量</b>
      <input type="number" value="1" min='1' >
    </p>

    <p style="margin-top:30px;margin-left:95px;">
      <button class="bu1" id='sub'>加入购物车</button>
    </p>
  </div>
<script>
  $(function(){
     $('span').click(function(){//匹配当前span中是否class带有select
       if($(this).hasClass('select')==true){
           $(this).removeClass('select')
         }else{
          $(this).addClass('select').siblings('span').removeClass('select')//增加选中span的class select时并且删除同级span的class select
         }
     })
      $('#sub').click(function(){
      var form={};//创建一个空对象，用于储存数据；
      var flag=true;//是否能不能加入购物车
      $('.item').each(function(){//遍历每个元素，规定每个元素执行函数匹配下
            if($(this).children('span.select').length!=1){
              // console.log($(this).children('span.select').length)
              flag=false;
            }else{ //form={键：值}
              var key=$(this).attr('name')//this是指P标签
              var value=$(this).children('span.select').html()//取得span的内容
              form[key]=value//键 值
            }

      })
          if($('.item1 input').val()<=0){
            flag=false;
          }else{
            form['num']=$('.item1 input').val()
          }
        if(flag){
          alert('加入购物车')
        }
     })
 console.log(form())
  })
</script>

</body>
</html>

Correction status：Uncorrected

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