代码
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<!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>Document</title>
<style>
.fade-enter-active {
transition: all .3s ease;
}
.fade-leave-active {
transition: all .3s cubic-bezier(1.0, 0.5, 0.8, 1.0);
}
.fade-enter, .fade-leave-to {
transform: translateY(10px);
opacity: 0;
}
</style>
</head>
<body>
<div id = "app">
<button v-on:click = "show = !show">{{ show ? '显示' : '隐藏'}}</button>
<transition name = "fade">
<p v-show = "show" >Hello ！</p>
</transition>
</div>
</body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script type = "text/javascript">
var vm = new Vue({
el: '#app',
data: {
show:true
}
});
</script>
</html>
运行结果