<!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>Title</title>
<script src="js/vue-2.4.0.js"></script>
<style>
li{
border: 1px dashed #999;
margin: 5px;
padding-left: 5px;
line-height: 35px;
width: 100%;
}
li:hover{
">#ccc;
transition: all 0.6s ease;
}
/*添加動畫*/
.v-enter,
.v-leave-to{
opacity: 0;
transform: translateY(80px);
}
.v-enter-active,
.v-leave-active{
transition: all 0.6s ease;
}
/*刪除動畫*/
.move{
transition: all 0.6s ease;
}
.v-leave-active{
position: absolute;
}
</style>
</head>
<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>-->
<!--在實現列表過渡的時候,如果需要過渡的元素,是通過 v-for 循環渲染出來的,不能使用 transition 包裹,需要使用 transition-group-->
<!--如果要為 v-for 循環創建的元素設置動畫,必須為每一個元素設置 :key 屬性-->
<!--給 transition-group 添加 appear 屬性,實現頁面剛展示出來時候入場的效果-->
<!--通過為 transition-group 元素設置tag 屬性,指定transition-group 渲染為指定的元素,如果不指定 tag 屬性,默認渲染為span 標簽-->
<transition-group appear tag="ul">
<li v-for="(item,i) in list" :key="item.id" @click="del(i)">
{{item.id}}====={{item.name}}
</li>
</transition-group>
<!--</ul>-->
</div>
<script>
var vm = new Vue({
el: '#app',
data: {
id: '',
name: '',
list: [
{ id: 1, name: '奔馳'},
{ id: 2, name: '寶馬'},
{ id: 3, name: '奧迪'},
{ id: 4, name: '法拉利'},
{ id: 5, name: '特斯拉'},
]
},
methods: {
add() {
this.list.push({id:this.id,name:this.name});
this.id=this.name=''
},
del(i){
this.list.splice(i,1)
}
}
});
</script>
</body>
</html>