Vue 在插入、更新或者移除 DOM 时,使用内置的过渡封装组件可以实现过渡效果
<transition name = "xx">
<div></div>
</transition>
在进入/离开的过渡中,会有 6 个 class 切换:
<template>
<div>
<div id="demo">
<button v-on:click="show = !show">
显示/隐藏
</button>
<transition name="fades">
<p v-if="show">hello</p>
</transition>
</div>
</div>
</template>
<script>
export default {
data () {
return {
show: true
}
}
}
</script>
<style>
.fades-enter-active, .fades-leave-active {
transition: opacity 1s
}
.fades-enter, .fades-leave-to {
opacity: 0
}
.fades-leave, .fades-enter-to {
opacity: 1
}
</style>
运行效果: