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Vue中为列表添加动画 删除添加淡入淡出

Vue中为列表添加动画 删除添加淡入淡出

作者: ___大鱼___ | 来源:发表于2018-11-08 15:15 被阅读61次
    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    </head>
    
    <style>
        li{
            border: dashed 1px red;
            margin-top: 10px;
            height: 30px;
            line-height: 30px;
            width: 100%;
        }
        li:hover{
            background-color: hotpink;
        }
    
        .v-enter,
        .v-leave-to{
            opacity: 0;
            transform: translate(150, 180);
        }
        .v-enter-active, .v-leave-active{
            transition: all 1s ease;
        }
    
        .v-move{
           transition: all 0.6s ease;
        }
        .v-leave-active{
            position: absolute;
        }
    
    
    </style>
    
    <body>
        <div id="app">
            id:<input type="text" v-model="id">
            name:<input type="text" v-model="name">
            <input type="button" value="添加" @click="add">
    
                <!-- 如何要给列表加动画必须要给循环的标签 加上key属性
                给<transition-group> appear属性实现页面入场时的效果
                通过为  <transition-group> tag属性指定为<transition-group>渲染为什么样的元素
                如果不写则渲染为span标签
                -->
    
                <transition-group appear tag="ul">
                <li v-for="(item, index) in list" :key="item.id" @click="del(index)">
    
                {{item.id}}----------------{{item.name}}
    
                </li>
                    </transition-group>
            
    
    
    
    
        </div>
    
    
        <script>
    
            var app = new Vue({
                el: '#app',
                data:{
                    list: [
                        {'id': 1, name: '椿'},
                        {'id': 2, name: '湫'},
                        {'id': 3, name: '大鱼'},
                        {'id': 4, name: '海棠'},
                    ],
                    id: '',
                    name: ''
                },
                methods: {
                    add(){
                        this.list.push({id: this.id, name: this.name})
                        this.id = this.name = ''
                    },
                    del(id){
                        console.log(id);
                        this.list.splice(id, 1)
                    }
                },
                created: function () {
    
                },
                mounted: function () {
    
                }
            })
    
        </script>
    </body>
    </html>
    

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