怎么用Vue代码实现一个搜索匹配功能

蜗牛互联网技术资讯2022-10-26910

本文小编为大家详细介绍“怎么用Vue代码实现一个搜索匹配功能”，内容详细，步骤清晰，细节处理妥当，希望这篇“怎么用Vue代码实现一个搜索匹配功能”文章能帮助大家解决疑惑，下面跟着小编的思路慢慢深入，一起来学习新知识吧。

代码如下：

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Vue测试2</title>
    <script type="text/javascript" src="vue.min.js"></script>
    <style type="text/css">
      *{
        padding: 0;
        margin: 0;
        font-size: 14px;
        font-family: "微软雅黑";
      }
      #box{
        width: 500px;
        height: auto;
        border: 1px solid #ccc;
        margin: 50px auto;
        padding: 10px;
      }
      .search{
        width: 480px;
        height: 100px;
        text-align: center;
      }
      .searchBox{
        width: 230px;
        height: 40px;
        outline: none;
        text-indent: 10px;
        margin-right: 20px;
      }
      .btn{
        width: 100px;
        height: 50px;
        cursor: pointer;
        font-size: 18px;
      }
      .goodsheet{
        width: 500px;
        height: auto;
        border: 1px solid #eee;
      }
      .goodsheet tr td,
      .goodsheet tr th{
        width: 33%;
        border: 1px solid #eee;
        padding: 5px 10px;
        text-align: left;
      }
      .goodsheet tr th span{
        background: #ff9900;
        padding: 0 6px;
        color: #fff;
        cursor: pointer;
      }
    </style>
  </head>
  <body>
    <div id="box">
      <div class="search">
        <input type="text" class="searchBox" v-model="searchVal">
        <button class="btn">搜 索</button>
      </div>
      <table class="goodsheet">
        <tr>
          <th>商品名</th>
          <th>单价
            <span @click="orderFn('price', false)">↑</span>
            <span @click="orderFn('price', true)">↓</span>
          </th>
          <th>销量
            <span @click="orderFn('sales', false)">↑</span>
            <span @click="orderFn('sales', true)">↓</span>
          </th>
        </tr>
        <tr v-for='(item, key) in list'>
          <td>{{item.name}}</td>
          <td>{{item.price}}</td>
          <td>{{item.sales}}万</td>
        </tr>
      </table>
    </div>
    <script type="text/javascript">
      var myVueTest = new Vue({
        el:'#box',
        data:{
          goodsList:[
            //假数据
            {name:"三星Galaxy Note8",price:5200,sales:2.6},
            {name:"iphone5s",price:2500,sales:2.2},
            {name:"iphone6",price:2800,sales:1.6},
            {name:"iphone6s",price:3200,sales:2.9},
            {name:"iphone7",price:3800,sales:12.6},
            {name:"iphone7plus",price:4200,sales:2.1},
            {name:"iphone8",price:5500,sales:10.6},
            {name:"华为",price:4600,sales:7.6},
            {name:"小米",price:1200,sales:32.6},
            {name:"OPPOR11",price:3000,sales:1.2},
            {name:"vivoX20",price:3250,sales:2.9}
          ],
          searchVal:'',  //默认输入为空
          letter:'',    //默认不排序
          original:false  //默认从小到大排列
        },
        methods:{
          orderFn(letter,original){
            this.letter = letter;    //排序字段 price or sales 
            this.original = original;  //排序方式 up or down
          }
        },
        //通过计算属性过滤数据
        computed:{
          list: function(){
            var _this = this;
            //逻辑-->根据input的value值筛选goodsList中的数据
            var arrByZM = [];//声明一个空数组来存放数据
            for (var i=0;i<this.goodsList.length;i++){
              //for循环数据中的每一项（根据name值）
              if(this.goodsList[i].name.search(this.searchVal) != -1){
                //判断输入框中的值是否可以匹配到数据，如果匹配成功
                arrByZM.push(this.goodsList[i]);
                //向空数组中添加数据
              }
            }
            //逻辑-->升序降序排列 false: 默认从小到大 true：默认从大到小
            //判断，如果要letter不为空，说明要进行排序
            if(this.letter != ''){
              arrByZM.sort(function( a , b){
                if(_this.original){
                  return b[_this.letter] - a[_this.letter];
                }else{
                  return a[_this.letter] - b[_this.letter];
                }
              });
            }
            //一定要记得返回筛选后的数据
            return arrByZM;
          }
        }
      });
    </script>
  </body>
</html>