vue中组件的过渡动画及实现代码

2020-06-14 05:55:01易采站长站整理

1.  和多个元素的过渡一样,用组件来替换transition中包裹的标签


<style>
.fade-enter,
.fade-leave-to {
opacity: 0
}
.fade-enter-active,
.fade-leave-active {
transition: opacity 2s
}
</style>
</head>

<body>
<div id="demo">
<button @click="show = !show">click me</button>
<transition name="fade" mode="in-out">
<child-one v-if="show"></child-one>
<child-two v-else></child-two>
</transition>
</div>
<script>
Vue.component('child-one', {
template: `<div>child-one</div>`
})
Vue.component('child-two', {
template: `<div>child-two</div>`
})
new Vue({
el: '#demo',
data: {
show: true
},
})
</script>

2.  动态组件:component组件 :is 属性,来实现组件的过渡效果 


<style>
.fade-enter,
.fade-leave-to {
opacity: 0
}
.fade-enter-active,
.fade-leave-active {
transition: opacity 2s
}
</style>
</head>

<body>
<div id="demo">
<button @click="handleClick">click me</button>
<transition name="fade" mode="in-out">
<component :is="type"></component>
</transition>
</div>
<script>
Vue.component('child-one', {
template: `<div>child-one</div>`
})
Vue.component('child-two', {
template: `<div>child-two</div>`
})
new Vue({
el: '#demo',
data: {
type: 'child-one'
},
methods:{
handleClick () {
this.type = this.type === 'child-one' ? 'child-two' : 'child-one'
}
}
})
</script>

PS:下面看下Vue过渡动画实现

实现一个点击切换元素的隐藏和显示状态!


<div id="app">
<transition>
<p v-if="show">Hello World</p>
</transition>
<button @click="toggle">切换</button>
</div>

需要把加入动画的元素放在transition组件内,定义一个按钮的切换方法


<script>
var app=new Vue({
el:"#app",
data:{
show:true
},
methods:{
toggle:function(){
this.show=!this.show;
}
}

})
</script>

给不同状态下添加相应的样式


.v-enter,.v-leave-to{
opacity:0;
}
.v-enter-active,.v-leave-to{
color:#00BFFF;