vue实现单一筛选、删除筛选条件

时间:2020-10-26 Serena_tz 人气:0

效果预览：

代码如下:

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
 <script src="vue.v2.6.10.js"></script>
 <style type="text/css">
  * {
   margin: 0;
   padding: 0;
  }

  li {
   list-style: none;
  }

  a {
   color: #333;
   text-decoration: none;
  }

  a:hover {
   color: red
  }

  #product {
   width: 700px;
   margin: 20px auto;
   background: #f2f2f2;
   border: 1px solid #ddd;
  }

  ul {
   padding: 10px;
  }

  #filter {
   padding: 0 10px;
   height: 40px;
   line-height: 40px;
   background-color: #ddd
  }

  #brand span {
   display: inline-block;
   margin-right: 30px;
  }

  #brand a {
   margin: 0 5px;
  }

  #brand li {
   margin-bottom: 10px;
  }

  mark {
   border: 1px solid red;
   padding-left: 5px;
   margin-right: 15px;
  }

  mark em {
   border-left: 1px solid red;
   padding: 0 5px;
   margin-left: 5px;
   font-style: normal;
  }
 </style>
</head>

<body>
 <div id="product">
  <div id="filter">
   <span>您筛选的手机：</span>
   <mark v-for="item,index in obj">{{item}}<em @click="del(index,item)">X</em></mark>
  </div>
  <ul id="brand">
   <li v-for="item,index in json">
    <span>{{item.title}}</span>
    <a href="#" rel="external nofollow" v-for="i in item.list" @click="add(index,i)">{{i}}</a>
   </li>
  </ul>
 </div>
 <script>
  var json = [{
    title: "品牌",
    list: ["苹果", "小米", "三星", "vivo", "OPPO", "华为"]
   },
   {
    title: "内存",
    list: ["4GB", "8GB", "2GB", "3GB以下", "8GB以上"]
   },
   {
    title: "存储",
    list: ["8GB", "16GB", "32GB", "64GB以下", "128GB以上"]
   },
   {
    title: "尺寸",
    list: ["4.5英寸", "5.5英寸以上", "4英寸以下"]
   },
  ];
  var vm=new Vue({
   el: "#product",
   data: {
    json,
    obj:{}
   },
   methods:{
    add(index,i){
     this.$set(this.obj,index,i);
    },
    del(index){
     this.$delete(this.obj,index);
    }
   }
  });
 </script>
</body>

</html>

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