老师，我这边添加 他虽然有动画但不是按照我想得去动 删除已有动画
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link
rel="stylesheet"
href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css"
/>
<title>Document</title>
<style>
.v-leave-active,
.v-enter-active{
transition: all .5s ease-in;
}
.v-enter.from,
.v-leave-to{
opacity: 1;
transform: translateY(30px);
}
.v-enter-to,
.v-enter.from{
opacity: 0;
transform: translateY(0);
}
.v-move{
transition: all .5s ease-in;
}
.list-item{
display: inline-block;
margin-right: 10px;
}
</style>
<script src="https://unpkg.com/vue@next"></script>
</head>
<body>
<div id="root"></div>
</body>
<script>
//列表动画的实现
const app = Vue.createApp({
data(){
return{
list:[1,2,3]
}
},
methods:{
handleClick(){
this.list.unshift(this.list.length +1);
},
handleDeleteClick(){
this.list.shift(this.list.length -1);
}
},
template:`
<div>
<transition-group mode="in-out">
<span class="list-item" v-for="item in list" :key="item">{{item}}</span>
</transition-group>
<button @click="handleClick">增加</button>
<button @click="handleDeleteClick">删除</button>
</div>
`
});
const vm = app.mount('#root');
</script>
</html>
331
收起
