lovecoding
/
VIP26


			
				
					
						
						
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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">
        <input type="text" v-model="keyWords">
        <ul>
            <li v-for="(item,index) in newList" :key="index">
                {{item.name}}--{{item.age}}--{{item.sex}}
            </li>
        </ul>
        <button  @click="sortType = 1">升序排列</button>
        <button  @click="sortType = 2">降序排列</button>
        <button @click="sortType = 0">原来的顺序</button>
    </div>
    <script src="./vue.js"></script>
    <script>
        var app = new Vue({
            el:"#app",
            data:{
                sortType: 0,
                keyWords:"",
                person:[
                    {
                        name:"LiLi",
                        age: 19,
                        sex: '女'
                    },
                    {
                        name:"Ming",
                        age: 9,
                        sex: '男'
                    },
                    {
                        name:"Lucy",
                        age: 99,
                        sex: '女'
                    },
                    {
                        name:"马冬梅",
                        age: 33,
                        sex: '女'
                    },
                ],
            },
            computed:{
                newList() {
                    const arr = this.person.filter((item) => {
                        return item.name.indexOf(this.keyWords) !== -1;
                    })
                    // sort 升序 a-b 降序 b-a
                    // sort(a,b) => a-b
                    // arr.sort((a,b) =>{
                    //     return 
                    // })
                    if(this.sortType) {
                        arr.sort((a,b) => {
                            return this.sortType === 1 ? a.age-b.age : b.age - a.age;
                        })
                    }
                    return arr;
                }
            }

        }).$mount("#app")
    </script>
</body>
</html>