lovecoding
/
vipAllDay


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">
        关键字搜索：<input type="text" placeholder="请输入关键字" v-model="keyWord" >
        <ul v-for="(item,index) in newList" :key="index">
            <li>{{index+1}}--我叫{{item.name}}--今年{{item.age}}--是个{{item.sex}}孩</li>
        </ul>
    </div>
    <script src="./vue.js"></script>
    <script>
      var vm = new Vue({
        data: {
          keyWord:"",
          arr: [
            {
              name: "Lucy",
              age: 11,
              sex: "女",
            },
            {
              name: "LiLi",
              age: 31,
              sex: "男",
            },
            {
              name: "八戒",
              age: 21,
              sex: "男",
            },
            {
              name: "八卦",
              age: 23,
              sex: "男",
            },
            {
              name: "孙悟空",
              age: 27,
              sex: "男",
            },
            {
              name: "唐僧",
              age: 33,
              sex: "女",
            },
          ],
          newList:[]
        },
        watch:{
          keyWord:{
            immediate: true,
            deep: true,
            handler(newValue,oldValue) {
              console.log(newValue,'新')
              console.log(oldValue,'旧')
              this.newList = this.arr.filter((ele) => {
                return ele.sex.indexOf(newValue)!= -1
              })
            }
          }
        }
      }).$mount("#app");
    </script>
  </body>
</html>