Vue如何实现简单的时间轴与时间进度条
作者:大阿夏呀
作为一个前端初学者,公司项目中前端需要一个进度条,所以下面这篇文章主要给大家介绍了关于Vue如何实现简单的时间轴与时间进度条的相关资料,需要的朋友可以参考下
前言
项目需要按天播放地图等值线图功能,所以需要一个时间进度条,网上找了一下发现没有自己需要的样子,于是只能简单的写一个。
1、封装时间尺度组件
<!-- 时间尺度 --> <template> <div class="time"> <div class="time_menu" v-show="timeList.length != 0"> <template v-if="playState"> <el-tooltip class="item" effect="dark" content="暂停" placement="top-end"> <img src="../assets/timescale/zt.png" @click="playState = false,stopInterval()" /> </el-tooltip> </template> <template v-if="!playState"> <el-tooltip class="item" effect="dark" content="播放" placement="top-end"> <img src="../assets/timescale/bf.png" @click="playState = true,startInterval()" /> </el-tooltip> </template> <el-tooltip class="item" effect="dark" content="上一天" placement="top-end"> <img src="../assets/timescale/icons_next.png" @click="upTime()" style="transform: rotate(180deg);" /> </el-tooltip> <el-tooltip class="item" effect="dark" content="下一天" placement="top-end"> <img src="../assets/timescale/icons_next.png" @click="nextTime()" /> </el-tooltip> </div> <div style="width: 80%;height: 100%;position: relative;display: flex;align-items: flex-end;overflow: auto;"> <div style="height: 40%;display: flex;flex-shrink: 0;flex-flow: row nowrap;align-items: flex-end;"> <template v-for="(item,index) in timeList"> <el-tooltip class="item" effect="dark" :content="item" placement="top-end"> <div class="keDuXian" :style="index%5 == 0 ? 'height:100%;':'height:60%;'" :id="item" @click="timeClick(item)"> <template v-if="index > 0"> <div v-if="index%5 == 0" style="position: relative;top: -20px;left:-30px;color: #FFF;width: 70px;font-size: 0.75rem;"> {{item}} </div> </template> </div> </el-tooltip> </template> </div> <div v-show="timeList.length != 0" class="progress" :style="'width:'+progresswidth+'px;'"> <div style="width: 100%;height: 40%;background-color: rgb(20,170,255);"> </div> </div> <img v-show="timeList.length != 0" src="../assets/timescale/xsjx.png" class="progressImg" :style="'left:'+(progresswidth == 0 ? -7 : (progresswidth-8))+'px;'" /> </div> </div> </template> <script> import {getScopeTime} from "../utils/regular.js" export default { data() { return { timeList:[], thisTime: '', progresswidth: 0, playState: false, Interval:'', } }, beforeDestroy(){ clearInterval(this.Interval) }, methods: { startInterval(){ this.Interval = setInterval(() => { if(this.timeList.indexOf(this.thisTime)+1 == this.timeList.length){ this.playState = false this.stopInterval() }else{ this.thisTime = this.timeList[this.timeList.indexOf(this.thisTime) + 1] } this.setProgressWidth() }, 4000) }, stopInterval(){ clearInterval(this.Interval) }, init(time,start,end) { this.timeList = getScopeTime(start,end,2) this.thisTime = time this.$nextTick(()=>{ this.setProgressWidth() }) }, timeClick(time) { this.thisTime = time this.setProgressWidth() }, setProgressWidth(){ this.progresswidth = document.getElementById(this.thisTime).offsetLeft this.$emit('schedule',this.thisTime) }, upTime(){ if(this.thisTime == this.timeList[0]){ this.$message({ message: '已经是第一天了', type: 'warning' }); }else{ this.thisTime = this.timeList[this.timeList.indexOf(this.thisTime)-1] this.setProgressWidth() } }, nextTime(){ if(this.thisTime == this.timeList[this.timeList.length-1]){ this.$message({ message: '已经是最后一天了', type: 'warning' }); }else{ this.thisTime = this.timeList[this.timeList.indexOf(this.thisTime)+1] this.setProgressWidth() } } } } </script> <style lang="less" scoped> .time { width: 100%; height: 100%; background: rgba(10, 34, 66, 0.65); box-shadow: inset 0px 1px 12px 0px rgba(75, 137, 255, 0.5); border-radius: 4px; border: 1px solid #57C8EE; display: flex; align-items: flex-end; position: relative; } .time_menu { width: 20%; height: 100%; display: flex; align-items: center; justify-content: space-evenly; padding: 0 3%; box-sizing: border-box; img { width: 20px; height: 20px; cursor: pointer; transition-duration: 0.5s; } } .progress { height:100%; position: absolute; display: flex; align-items: flex-end; z-index: -1; transition-duration: 0.5s; } .triangle { width: 0px; height: 0px; border: 20px solid transparent; border-top-color: #00FFFF; // opacity: 1; position: absolute; left: -20px; top: 20px; } .keDuXian{ width: 2px; background-color: #FFF; cursor: pointer; margin-right:25px; } .progressImg{ width: 1.125rem; height: 1.125rem; position: absolute; z-index:9; } </style>
2、在vue页面使用时间尺度
首先引入组件 然后给组件外部包一层div 组件的大小是根据父级来的
初始化:在methods方法里调用组件内部的init方法初始化 传入三个参数
schedule事件是每当尺度变化会返回变化后的时间,可以根据时间做对应逻辑处理
<!-- 进度条--> <div style="width: 50%;height: 4%;position: absolute;z-index: 999;bottom: 20%;left: 25%;"> <timescale ref="timescale" @schedule="schedule"></timescale> </div> <!-- 引入组件--> import timescale from "../../components/timeScale.vue" <!-- 调用组件内部方法 初始化时间尺度 传入选中时间 起时间 止时间--> this.$refs.timescale.init(this.isOlineTime,this.selectSectionTime[0],getTomorrow(this.selectSectionTime[1]))
3、组件init方法内 通过起止时间算出中间的所有时间尺度
startTime:开始时间
endTime:结束时间
type:1按日返回小时 2按月返回每天
export const getScopeTime = (startTime, endTime, type) => { let start = new Date(startTime).getTime() let end = new Date(endTime).getTime() let time = [] if (type == 2) { for (var i = 0; i < 1; i--) { start += 86400000 if (start == end) { time.unshift(startTime.split(' ')[0]) break } else { time.push(unixTimeToDateTime(start).split(' ')[0]) } } } else if (type == 1) { for (var i = 0; i < 1; i--) { start += 3600000 if (start == end) { time.unshift(startTime.split(' ')[0]) break } else { time.push(unixTimeToDateTime(start)) } } } return time }
附上效果图
目前没有实现拖拽功能,只能通过点击刻度更换时间,或者自动播放。
总结
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