Vue封装的过度与动画
- 作用:在插入、更新或移除 DOM元素时,在合适的时候给元素添加样式类名。
- 图示:
- 写法:
- 准备好样式:
- 元素进入的样式:
- v-enter:进入的起点
- v-enter-active:进入过程中
- v-enter-to:进入的终点
- 元素离开的样式:
- v-leave:离开的起点
- v-leave-active:离开过程中
- v-leave-to:离开的终点
- 使用
<transition>
包裹要过度的元素,并配置name属性:
<transition name="hello">
<h1 v-show="isShow">你好啊!</h1>
</transition>
- 备注:若有多个元素需要过度,则需要使用:
<transition-group>
,且每个元素都要指定key
值。 - www.npmjs.com
代码
Test.vue
<template>
<div>
<button @click="isShow = !isShow">显示/隐藏</button>
<transition name="hello" appear>
<h1 v-show="isShow">你好啊!</h1>
</transition>
</div>
</template>
<script>
export default {
name:'Test',
data() {
return {
isShow:true
}
},
}
</script>
<style scoped>
h1{
background-color: orange;
}
.hello-enter-active{
animation: atguigu 0.5s linear;
}
.hello-leave-active{
animation: atguigu 0.5s linear reverse;
}
@keyframes atguigu {
from{
transform: translateX(-100%);
}
to{
transform: translateX(0px);
}
}
</style>
Test2.vue
<template>
<div>
<button @click="isShow = !isShow">显示/隐藏</button>
<transition-group name="hello" appear>
<h1 v-show="!isShow" key="1">你好啊!</h1>
<h1 v-show="isShow" key="2">尚硅谷!</h1>
</transition-group>
</div>
</template>
<script>
export default {
name:'Test',
data() {
return {
isShow:true
}
},
}
</script>
<style scoped>
h1{
background-color: orange;
}
/* 进入的起点、离开的终点 */
.hello-enter,.hello-leave-to{
transform: translateX(-100%);
}
.hello-enter-active,.hello-leave-active{
transition: 0.5s linear;
}
/* 进入的终点、离开的起点 */
.hello-enter-to,.hello-leave{
transform: translateX(0);
}
</style>
Test3.vue
<template>
<div>
<button @click="isShow = !isShow">显示/隐藏</button>
<transition-group
appear
name="animate__animated animate__bounce"
enter-active-class="animate__swing"
leave-active-class="animate__backOutUp"
>
<h1 v-show="!isShow" key="1">你好啊!</h1>
<h1 v-show="isShow" key="2">尚硅谷!</h1>
</transition-group>
</div>
</template>
<script>
import 'animate.css'
export default {
name:'Test',
data() {
return {
isShow:true
}
},
}
</script>
<style scoped>
h1{
background-color: orange;
}
</style>
App.vue
<template>
<div>
<Test/>
<Test2/>
<Test3/>
</div>
</template>
<script>
import Test from './components/Test'
import Test2 from './components/Test2'
import Test3 from './components/Test3'
export default {
name:'App',
components:{Test,Test2,Test3},
}
</script>
main.js
//引入Vue
import Vue from 'vue'
//引入App
import App from './App.vue'
//关闭Vue的生产提示
Vue.config.productionTip = false
//创建vm
new Vue({
el:'#app',
render: h => h(App),
beforeCreate() {
Vue.prototype.$bus = this
},
})
运行