1、多个元素的过渡：使用key防止dom复用，使用mode指定哪个效果先展示；
2、多个组件之间的过渡：使用动态组件；
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>Vue中多个元素的过渡</title>
<script src="./vue.js"></script>
<style media="screen">
.fade-enter,.v-leave-to{
opacity:0;
}
.fade-enter-active,.fade-leave-active{
transition:opacity 1s;
}
</style>
</head>
<body>
<div id="root">
<transition name="fade" mode="out-in">
<div v-if="show" key="hello">hello world</div>
<div v-else key="bye">bye world</div>
</transition>
<button @click="handleClick">change</button>
</div>
<script type="text/javascript">
var vm = new Vue({
el: '#root',
data: {
show: true
},
methods: {
handleClick: function() {
this.show = !this.show
}
}
})
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>Vue中多个组件的过渡</title>
<script src="./vue.js"></script>
<style media="screen">
.fade-enter,.v-leave-to{
opacity:0;
}
.fade-enter-active,.fade-leave-active{
transition:opacity 1s;
}
</style>
</head>
<body>
<div id="root">
<transition name="fade" mode="out-in">
<component :is="type"></component>
</transition>
<button @click="handleClick">change</button>
</div>
<script type="text/javascript">
Vue.component('child', {
template: '<div>child</div>'
})
Vue.component('child-one', {
template: '<div>child-one</div>'
})
var vm = new Vue({
el: '#root',
data: {
type: 'child'
},
methods: {
handleClick: function() {
this.type = this.type === 'child' ? 'child-one' : 'child'
}
}
})
</script>
</body>
</html>
