本文主要是介绍vue中纯html实现过度条动画，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
效果：
因为录制的软件关系，显的有点卡，项目上自己哼哧哼哧地实现了这个功能，so，提升蛮大的，so，记录一下，视频里面过度条移上移下，可以利用class 或style 动态渲染解决这个问题，我懒得写了。
动画效果 是利用计时器实现的，也有css动画实现。自己发上来的代码稍微改了一下，可供大家参考。
附完整代码：
<template><div class="main"><h3><em class="tit"></em>过度条动画<em class="right tit"></em></h3><div style="margin: 10px 0 10px 200px"><span class="label">省钱</span><input type="number" v-model.trim="totalSaved" @change="setProgess"/><span class="label">已获取金币</span><select v-model="hadGot" @change="setProgess"><option>0</option><option>100</option><option>200</option><option>300</option><option>400</option></select><input type="checkbox" id="checkbox" v-model="isPercent" @change="setProgess"><label for="checkbox" class="label">是否显示百分比</label></div><div class="progress"><span class="progress__tooltip" ref="tootip" v-if="!giftFlag && !isPercent">已省¥<span ref="numberGrow">0</span></span><span class="progress__tooltip" ref="tootip" v-if="!giftFlag && isPercent"><span ref="numberGrowPercent">0</span>%</span><div class="progress__body"><div class="progress__body__start">¥0</div><span class="progress__body__stroke" :style="{width: giftFlag ? '267px' : '210px'}"><span ref="progress" :class="[giftFlag ? 'progress-gift' : 'progress-none']"> </span></span><div class="progress__body__end" v-if="!giftFlag">省出{{result}}</div><img class="progress__body__gift" src="./img/buy_gift@2x.png" alt="" v-else></div><div class="progress__left" v-if="!giftFlag && !isMax">还差<i>¥{{lessMoney.toFixed(2)}}</i>达成</div><img class="progress__get" src="./img/buy_get@2x.png" alt="" v-if="giftFlag && !isMax"></div></div>
</template>
<script>import float from '@/util/float'export default {data() {return {lessMoney: 0, // 剩余result: '',totalSaved: 0, // 已省金额hadGot: 0, // 已领金币isPercent: false, // 是否显示百分比giftFlag: false, // 是否显示礼物状态isMax: false // 是否达到顶峰999}},methods: {setProgess() {let percent = 0this.hadGot = Number(this.hadGot)if (this.totalSaved >= 0 && this.totalSaved < 9) {// 封装的减法this.lessMoney = float.sub(9, this.totalSaved)this.giftFlag = falsethis.result = '¥9'percent = this.totalSaved ? this.totalSaved / 9 : 0} else if (this.totalSaved >= 9 && this.totalSaved < 199) {if (this.hadGot === 100) {this.lessMoney = float.sub(199, this.totalSaved)this.giftFlag = falsethis.result = '半年会员费'percent = this.totalSaved / 199} else {this.giftFlag = true}} else if (this.totalSaved >= 199 && this.totalSaved < 299) {switch (this.hadGot) {case 0:case 100:this.giftFlag = truebreakcase 200:this.giftFlag = falsethis.lessMoney = float.sub(299, this.totalSaved)this.result = '一年会员费'percent = this.totalSaved / 299break}} else if (this.totalSaved >= 299 && this.totalSaved < 999) {switch (this.hadGot) {case 0:case 100:case 200:this.giftFlag = truebreakcase 300:this.giftFlag = falsethis.lessMoney = float.sub(999, this.totalSaved)this.result = '¥999'percent = this.totalSaved / 999break}} else if (this.totalSaved >= 999) {switch (this.hadGot) {case 0:case 100:case 200:case 300:this.giftFlag = truebreakcase 400:this.isMax = truethis.giftFlag = falsethis.result = '¥999'percent = 1break}}if (!this.giftFlag) {const length = percent * 210this.$nextTick(() => {if (!this.isPercent) {this.numberGrow(this.$refs.numberGrow)} else {this.numberGrowPercent(percent)}this.numberGrowWidth(length.toFixed(2))this.numberGrowMargin(length)})}},numberGrow(ele) {let _this = thislet step = (_this.totalSaved * 10) / (1.2 * 1000)let current = 0let start = 0let t = setInterval(function () {start += stepif (start >= _this.totalSaved) {clearInterval(t)start = _this.totalSavedt = null}if (current === start) {return}current = start// 这里最好小数写法要兼容ele.innerHTML = Number(current).toFixed(2)}, 10)},numberGrowPercent(percent) {let _this = thislet step = (percent * 10) / (1.2 * 1000)let current = 0let start = 0let t = setInterval(function () {start += stepif (start >= percent) {clearInterval(t)start = percentt = null}if (current === start) {return}current = start// 这里最好小数写法要兼容_this.$refs.numberGrowPercent.innerText = (current * 100).toFixed(2)}, 10)},numberGrowMargin(length) {let _this = thisif (length < 8) {this.$refs.tootip.style.marginLeft = 0return false} else {let total = (length - 8).toFixed(2)let step = (total * 10) / (1.2 * 1000)let current = 0let start = 0let t = setInterval(function () {start += stepif (start >= total) {clearInterval(t)start = totalt = null}if (current === start) {return}current = start_this.$refs.tootip.style.marginLeft = current + 'px'}, 10)}},numberGrowWidth(total) {let _this = thislet step = (total * 10) / (1.2 * 1000)let current = 0let start = 0let t = setInterval(function () {start += stepif (start >= total) {clearInterval(t)start = totalt = null}if (current === start) {return}current = start_this.$refs.progress.style.width = current + 'px'}, 10)}},created () {// 这里api请求this.setProgess()}}
</script>
<style lang="scss" rel="stylesheet/scss" scoped>.main {width: 700px;height: 300px;background: #000;overflow: hidden;.label {color: pink;font-size: 12px;}}h3{font-size:24px;font-family:PingFangSC-Medium;font-weight:500;color:rgba(254,209,19,1);line-height:80px;background:linear-gradient(360deg, rgba(243,95,51,1) 0%, rgba(252,161,72,1) 100%);-webkit-background-clip:text; /* chrome支持*/-webkit-text-fill-color:transparent;text-align: center;.tit{position: relative;display: inline-block;width: 36px;height: 1px ;transform: translatex( -40px) translatey( -8px);background:linear-gradient(-90deg,rgba(243,95,51,1) 0%,rgba(243,95,51,1) 0%,rgba(252,161,72,0) 100%);&::after{content: '';position: absolute;width: 7px;height: 7px;right: -17px;top: -3px;transform: rotate(135deg);background:linear-gradient(90deg,rgba(243,95,51,1) 0%,rgba(243,95,51,1) 0%,rgba(252,161,72,1) 100%);}}.right{transform: rotate(-180deg) translatex( -40px) translatey(8px)}}.progress {margin-left: 200px;&__tooltip {padding: 1px 9px 0;display: inline-block;color: #FFFFFF;font-size: 10px;line-height: 16px;background: rgba(255, 255, 255, 0.2);border-radius: 4px;text-align: center;margin-bottom: 10px;}&__body {display: flex;align-items: center;&__start {padding-top: 1px;font-size: 10px;color: #222222;width: 28px;text-align: center;display: inline-block;line-height: 14px;border-radius: 10px;background-color: #FFFB9C;z-index: 2;}&__stroke {margin-left: -1px;height: 5px;background: #4B4B4B;display: inline-block;span {background-image: linear-gradient(90deg, #FFFB9C 0%, #CFA970 100%);width: 0;height: 5px;display: inline-block;}.progress-none {position: relative;&::after {content: '';position: absolute;width: 1px;height: 13px;top: -13px;left: 100%;background: rgba(255, 255, 255, 0.2);}}.progress-gift {width: 0;animation:move 1.5s forwards;}}&__end {padding-top: 1px;font-size: 10px;color: #222222;background-image: linear-gradient(90deg, #F7DC81 0%, #C5A770 100%);border-radius: 10px;width: 90px;display: inline-block;text-align: center;line-height: 14px;}&__gift {width: 25px;height: 25px;position: relative;bottom: 6px;animation: animatedImg 2.0s infinite;}}&__left {margin-top: 8px;height: 14px;margin-left: 245px;font-size: 10px;color: #999999;i {color: #FFFFFF;font-style: normal;}}&__get {width: 57px;height: 20px;position: relative;left: 260px;}}@keyframes animatedImg {from {-webkit-transform: scale3d(1, 1, 1);transform: scale3d(1, 1, 1);}3.3%,6.6% {-webkit-transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);}10%,16.6%,23.3%,30% {-webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);}13.3%,20%,26.6%{-webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);}33.3%{-webkit-transform: scale3d(1, 1, 1);transform: scale3d(1, 1, 1);}to {-webkit-transform: scale3d(1, 1, 1);transform: scale3d(1, 1, 1);}}@keyframes move {0%{width:0;}100%{width:270px;}}</style>
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