Vue入门之animate过渡动画效果

Z时代
2024-01-10
分类：综合

简介：

transition方法的使用

transition内置方法

transition-group

animate库实现过渡动画


<!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="lib\vue.js"></script>
  <link rel="stylesheet" href="lib\animate.css" rel="external nofollow" >
  <style>
    [v-cloak] {
      display: none;
    }
    p {
      width: 100px;
      height: 100px;
      background: red;
      margin: 10px auto;
    }
    /* .fade-enter-active, .fade-leave-active {
      transition: 1s all ease;
    }
    .fade-enter-active {
      opacity: 1;
      width: 300px;
      height: 300px;
    }
    .fade-leave-active {
      opacity: 0;
      width: 100px;
      height: 100px;
    }
    .fade-enter, .fade-leave {
      width: 100px;
      height: 100px;
      opacity: 0;
    } */
  </style>
  <script>
    window.onload = function() {
      new Vue({
        el: '#box',
        data: {
          show: '',
          list: ['apple', 'banana', 'orange', 'pear']
        },
        computed: {
          lists: function() {
            var arr = [];
            this.list.forEach(function(val) {
              if (val.indexOf(this.show) != -1) {
                arr.push(val);
              }
            }.bind(this))
            return arr;
          }
        }
      })
    }
  </script>
</head>
<body>
  <div id="box" v-cloak>
    <input type="text" v-model="show">
    <!-- class定义 .fade
      .fade-enter{}      初始状态
      .fade-enter-active{}   进入过程
      .fade-leave{}      离开状态
      .fade-leave-active{}   离开过程
    -->
    <transition-group enter-active-class="zoomInLeft" leave-active-class="bounceOutRight">
      <!-- 内置方法
        @before-enter = "beforeEnter"
        @enter = "enter"
        @after-enter = "afterEnter"
        @before-leave = "beforeLeave"
        @leave = "leave"
        @after-leave = "afterLeave"
      -->
      <!-- transition-group 多个元素运动，注意绑定key:1 -->
      <p v-show="show" class="animated" v-for="(val, index) in lists" :key="index">
        {{val}}
      </p>  
    </transition-group>
  </div>
</body>
</html>