• Vue,动画-列表动画(添加)


    Vue,动画-列表动画(添加)

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
        <script src="../js/vue.js"></script>
        <script src="../js/vue-resource-1.3.4.js"></script>
    </head>
    <style>
        li{
            border: 1px dashed #999;
            margin: 5px;
            line-height: 35px;
            padding-left: 5px;
            font-size: 12px;
        }
    
        li:hover{
            background-color: blue;
            transition: all 1s ease;
        }
    
        .v-enter,
        .v-leave-to{
            opacity: 0;
            transform: translateY(80px);
        }
    
        .v-enter-active,
        .v-leave-active{
            transition: all 0.5s ease; 
        }
    </style>
    <body>
        <div id="app">
    
            <div>
    
                <label>
                    Id:
                    <input type="text" v-model="id">
                </label>
    
                <label>
                    Name:
                    <input type="text"  v-model="name">
                </label>
    
    
                <input type="button" value="添加" @click="add">
    
            </div>
    
    
            <ul>
                <!-- 在实现列表过渡的时候, 如果需要过渡的元素, 是通过 v-for 循环渲染出来的, 不能使用 transition 包裹, 需要使用 transitionGroup -->
                <!-- 如果要为 v-for 循环创建的元素设置动画, 必须为每一个 元素 设置 :key 属性 -->
                <transition-group>
                    <li v-for="item in list" :key="item.id">
                        {{ item.id }}  ---  {{ item.name }}
                    </li>
                </transition-group> 
                
            </ul>
        </div>
    </body>
    </html>
    <script>
      var vm = new Vue({
          el:'#app',
          data:{
              id:'',
              name:'',
            list:[
                {id: 1, name: '赵高' },
                {id: 2, name: '秦桧' },
                {id: 3, name: '严嵩' },
                {id: 4, name: '魏忠贤' }
            ]
          },
          methods:{
    
            add(){
                this.list.push( {id : this.id, name : this.name })
                this.id  = this.name = ""
            }
    
          }
      })
    </script>

     效果图

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  • 原文地址:https://www.cnblogs.com/wo1ow1ow1/p/11102299.html
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