<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Vue中多个元素或组件的过渡</title>
<script src="./vue.js"></script>
<style>
.v-enter,.v-leave-to{
opacity: 0;
}
.v-enter-active,.v-leave-active{
transition:opacity 1s;
}
</style>
</head>
<body>
<div id="root">
<transition mode="out-in">
<component :is="type"></component> <!--动态组件的使用-->
<!--<child v-if="show"></child>-->
<!--<child-one v-else></child-one>-->
<!--<div v-if="show" key="hello">hello world</div> <!–key的创建,避免DOM标签的复用–>-->
<!--<div v-else key="bye">Bye World</div>-->
</transition>
<button @click="handleClick">toggle</button>
</div>
<script>
Vue.component('child',{
template:'<div>child</div>'
});
Vue.component('child-one',{
template:'<div>child-one</div>'
});
var vm = new Vue({
el: '#root',
data: {
// show: true
type:'child'
},
methods: {
handleClick: function () {
// this.show = !this.show
this.type = this.type === 'child' ? 'child-one':'child'
},
}
})
</script>
</body>
</html>
<!--
transition上提供了mode配置参数
mode='in-out' 先显示再隐藏
mode='out-in' 先隐藏再显示
-->
