过滤之计算属性实现

过滤之计算属性实现

    <body>
        <div id="root">
            <h2>人员列表</h2>
            <input type="text" placeholder="请输入名字" v-model="keyWord">
            <ul>
                <li v-for="(p,index) of filPerons" :key="index">
                    {{p.name}}-{{p.age}}-{{p.sex}}
                </li>
            </ul>
        </div>

        <script type="text/javascript">        
            //用computed实现
            new Vue({
                el:'#root',
                data:{
                    keyWord:'',
                    persons:[
                        {id:'001',name:'马冬梅',age:19,sex:'女'},
                        {id:'002',name:'周冬雨',age:20,sex:'女'},
                        {id:'003',name:'周杰伦',age:21,sex:'男'},
                        {id:'004',name:'温兆伦',age:22,sex:'男'}
                    ]
                },
                computed:{
                    filPerons(){
                        return this.persons.filter((p)=>{
                            return p.name.indexOf(this.keyWord) !== -1
                        })
                    }
                }
            }) 
        </script>

 

posted @ 2022-04-24 14:45  杨建鑫  阅读(27)  评论(0)  编辑  收藏  举报