视频直播app源码,实现一个展开和关闭的动画效果
<template> <div> <el-button @click="changeShow(true)">展开</el-button> <el-button @click="changeShow(false)">关闭</el-button> <div class="mr_sty" :class="[{'animationWidth1':isShow === 1},{'animationWidth2':isShow === 2},{'animationWidth3':isShow === 3},{'animationWidth4':isShow === 4}]"> <div style="width: 300px;height:100px;"> 你好你好你好 </div> </div> </div> </template> <script> export default { data() { return { isShow: 1, } }, methods: { changeShow(type) { //展开 if (type) { this.isShow = 2 setTimeout(() => { this.isShow = 3 }, 3000) } else { //收起 this.isShow = 4 setTimeout(() => { this.isShow = 1 }, 3000) } } } } </script> <style scoped> .mr_sty{ overflow: hidden; } .animationWidth1{ width: 0; height:0; background: red; } .animationWidth2{ width: 300px; height:100px; background: red; position:relative; animation:animationWidth2 3s infinite; animation-iteration-count: 1; } @keyframes animationWidth2 { 0% {width:0} 100% {width:300px} } .animationWidth3{ width: 300px; height:100px; background: red; } .animationWidth4{ width: 300px; height:100px; background: red; position:relative; animation:animationWidth4 3s infinite; animation-iteration-count: 1; } @keyframes animationWidth4 { 0% {width:300px} 100% {width:0} } </style>
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