vue之列表的排序和搜索 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


<!--
1.列表过滤
2.列表排序
-->

<div id="test">
    <input type="text" v-model="searchName">
    <ul v-for="(p,index) in filterPersons" :key="index">
        {{index}}--{{p.name}}--{{p.age}}
    </ul>

    <button @click="setOrderType(1)">年龄升序</button>
    <button @click="setOrderType(2)">年龄降序</button>
    <button @click="setOrderType(0)">原本顺序</button>
</div>

<script src="../js/vue.js"></script>
<script>
    new Vue({
        el: '#test',
        data: {
            searchName: '',
            orderType: 0,//0代表原来、、1.代表升序，2代表降序
            persons: [//vue本身只是监视了persons的改变，没有监视数组内部数据的变化
                {name: "Tom", age: 18},
                {name: "Tom1", age: 181},
                {name: "Tom2", age: 182},
                {name: "Tom3", age: 183},
            ]
        },
        //计算属性
        computed: {
            filterPersons() {
                const {searchName, persons,orderType} = this
                let fPersions;
                fPersions = persons.filter(p => p.name.indexOf(searchName) !== -1)

                if (orderType != 0) {
                    fPersions.sort(function (p1, p2) {
                        if (orderType === 2) {
                            return p2.age - p1.age;
                        } else {
                            return p1.age - p2.age;
                        }

                    })
                }
                return fPersions
            }
        },
        methods: {
            setOrderType(orderType) {
                this.orderType = orderType;
            }
        }
    })
</script>
</body>
</html>
posted @ 2021-07-11 23:24  King-DA  阅读(651)  评论(0)    收藏  举报