动态样式：根据时间长短绘制色块宽度和颜色，鼠标hover显示具体信息

目标效果：

代码：

根据时间长短绘制色块宽度和颜色：:style="getListStyle(car)"
鼠标hover显示具体信息：display:none;——>.car:hover{display:block;}

<template>
    <div class="account">
        <div class="query">
            <div class="center-between">
                <div class="center-left">
                    <el-form-item label="日期">
                        <el-date-picker v-model="date" type="date" placeholder="选择日期"
                                         value-format="yyyy-MM-dd">
                        el-date-picker>
                    el-form-item>
                    <el-form-item label="值次">
                        <el-select v-model="shift" placeholder="请选择" :options="shiftList">el-select>
                    el-form-item>
                    <el-form-item label="受入侧">
                        <el-select v-model="areaCode" placeholder="请选择" multiple :options="areaCodeList">el-select>
                    el-form-item>
                div>
                <div class="center-right">
                    <el-button class="btn" type="primary" @click="handleqQuery()">查询el-button>
                    <el-button class="btn" type="info" plain @click="handleqReset()"> 重置el-button>
                div>
            div>
        div>
        <div class="list">
            
            <table>
                <tr v-for="(e,index) of carList">
                    <td class="bg-car">{{ e }}td>
                    <td v-for="(e,index) of numX">td>
                tr>
            table>
            
            <div class="cars">
                
                <div class="car" :style="getListStyle(car)" v-for="(car, index) in carValueList">
                    {{car.srGrpNo}}
                    <div class="car-tip" :class="getListStyle(car)">
                        <div class="tip-title" >{{car.srGrpNo}}div>
                        <div class="tip-text">
                            <span>计划：{{car.arriveTime.substr(11)}} span>
                            <img src="https://img-blog.csdnimg.cn/a2cec2715a81457b823f385d0a291d00.png"/>
                            <span> {{car.departureTime.substr(11)}}span>
                        div>
                        <div v-if="car.actualArriveTime" class="tip-text">
                            <span>实际：{{car.actualArriveTime? car.actualArriveTime.substr(11) : ''}} span>
                            <img src="https://img-blog.csdnimg.cn/a2cec2715a81457b823f385d0a291d00.png"/>
                            <span> {{car.actualDepartureTime ? car.actualDepartureTime.substr(11) : ''}}span>
                        div>
                    div>
                div>
            div>
        div>
    div>
template>

<script>
    export default {
        props: {
            context: Object,
            data: {
                default: ''
            }
        },
        data() {
            return {
                carMap: {},
                carList: [],
                carValueList: [],
                top: 10, // 色块top值
                isShowTable: false,
                date:'',
                shift: '', // D-白班，N-夜班)
                areaCode: '',  // 受入侧4(T侧)
                numX: [1,2,3,4,5,6,7,8,9,10,11,12],// 车位背景图渲染12个空列
                areaCodeList:[
                    {
                        label: 'T侧',
                        value: '4'
                    }
                ],
                shiftList: [
                    {
                        label: '白班',
                        value: 'D'
                    },
                    {
                        label: '夜班',
                        value: 'N'
                    },
                ],
                timer: '',
            }
        },
        mounted() {
            this.$nextTick(() => {
                this.initData()
                this.onLoop()
            })
        },
        beforeDestroy(){
            clearInterval(this.timer)
        },
        methods: {
            handleqQuery(){
                // 更新班次
                let params ={
                    areaCode: this.areaCode,
                    shift: this.shift,
                    date: this.date,
                }
                this.getData(params)
            },
            handleqReset() {
                this.areaCode = ''
                this.date = ''
                this.shift = ''
            },
            initData(){
                let time = new Date();
                let t1 = new Date(time.toLocaleDateString() + " 20:30:00")
                let diffMinute = time - t1
                if(diffMinute >= 0){
                    this.shift = 'N'
                } else {
                    this.shift = 'D'
                }
                // 更新班次
                this.date = this.formatDate(new Date())
                let params = {
                    areaCode: this.areaCode,
                    shift: this.shift,
                    date: this.formatDate(new Date()),
                    start: 1,
                    limit: 50,
                }
                this.getData(params)
            },
            getData(params){
                //  整合返回值转换key为车位
                this.carMap = new Map()
                this.carList = []
                this.carValueList = []
                this.top = 0
                this.$request.post('your address',params).then(res => {
                    if (res.data.code == 0  && res.data.data) {
                        let resData = res.data.data
                        if(resData.length > 0){
                            for(let item of resData){
                                this.carMap.set(item.carCode, item)
                            }
                            this.top = 10
                            //  整合返回值转换key为车位
                            this.carList = [...this.carMap.keys()]
                            for(let k = 0; k < this.carList.length; k++){
                                for(let j = 0; j < resData.length; j++){
                                    if( this.carList[k] == resData[j].carCode){
                                        resData[j].top = 10 + k * 60
                                        this.carValueList.push(resData[j])
                                    }
                                }
                            }
                            console.log('carValueList',this.carValueList)
                        }
                    }

                })
            },
            onLoop() {
                this.timer = setInterval(this.handleqQuery, 300000)
            },
            formatDate(val){
                let d = new Date(val)
                let month = (d.getMonth() +1).toString()
                let day = (d.getDate()).toString()
                let year = d.getFullYear()
                if(month.length < 2) month = '0' + month
                if(day.length < 2) day = '0' + day
                return [year, month, day].join('-')
            },
            getListStyle(item) {
                // 计算色块宽度
                let arriveTime = new Date(item.arriveTime)
                let departureTime = new Date(item.departureTime)
                let width = (departureTime - arriveTime)/1000/60
                // 计算色块开始位置
                let start = ''
                let t1 = new Date(arriveTime.toLocaleDateString() + " 8:30:00")
                let t2 = new Date(arriveTime.toLocaleDateString() + " 20:30:00") // 若时间超过24点则不能用t2做差，此时t2日期已经加一
                let t3 = new Date(arriveTime.toLocaleDateString() + " 20:30:00") // 复制t2,避免引用类型联动改变t2
                t3.setDate((t3.getDate()-1)) // t2基础上时间减1天
                if(this.shift === 'N'){ // 超过20:30
                    if(arriveTime < t1){
                        start = (arriveTime - t3)/1000/60
                    }else {
                        start = (arriveTime - t2)/1000/60
                    }
                }else{
                    start = (arriveTime - t1)/1000/60
                }
                // 计算颜色
                let color = ''
                switch (item.type){
                    case '0':
                        color = '#C6CBD8'
                        break
                    case '1':
                        color = '#67B662'
                        break
                    case '2':
                        color = ' #5AB9ED'
                        break
                    case '5':
                        color = '#E03523'
                        break
                    case '3':
                        color = ' #FFE329'
                        break
                    case '4':
                        color = '#FFE329'
                        break
                }
                return `left: ${start*2}px; top: ${item.top}px; width: ${width}px; background-color: ${color};`
            }
        },

    }
script>

<style>
    .account{
        width: 100%;
        height: 100%;
        position: absolute;
        overflow: hidden;

    }
    /*=====================================查询部分*/
    .account .query{
        width: 100%;
        height: 13%;
    }
    .account .center-between{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        font-family: MicrosoftYaHei;
        font-size: 20px;
        color: #2E3B4C;
        letter-spacing: 0.71px;
        font-weight: 400;
    }
    .account .center-left{
        width: 45%;
        padding-left: 2%;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
    }
    .account .center-right{
        width: 55%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: flex-end;
        padding-right: 3%;
    }
    .account .btn{
        width: 15%;
        height: 42%;
        border-radius: 8px;
        font-size: 20px;
        font-weight: 400;
    }
    /*=====================================车次展示部分*/
    .account .list {
        width: 100%;
        height: 87%;
        position: relative;
    }
    /*空白表格背景*/
    .account table{
        /*width: 93%;*/
        border: 1px solid rgba(181,188,198,0.70);
        border-collapse: collapse;
        margin: 5% auto;
    }
    .account table tr{
        height: 60px;
    }
    .account table td {
        width: 120px;
        border-right: 1px dashed #B5BCC6;
    }
    .account table tr:nth-child(even)
    {
        background: #EDEFF2;
    }
    .account table tr:nth-child(odd)
    {
        background: #fff;
    }
    .account .list .bg-car{
        background-image: url("https://img-blog.csdnimg.cn/5ca5eabffec2497c9265ec11d117fed2.png");
        background-position: center;
        background-repeat: no-repeat;
        color: white;
        font-size: 22px;
        text-align: center;
    }
    /* 彩色车次展示*/
    .account .list .cars {
        width: 75%;
        height: 74%;
        position: absolute;
        /*background: #EDEFF2;*/
        top: 0;
        left: 298px;
    }
    .account .list .car {
        position: absolute;
        border-radius: 3px;
        height: 38px;
    }
    /*鼠标悬停显示详情*/
    .account .car .car-tip{
        width: 200px;
        height: 100px;
        display: none;
        background: #FFFFFF;
        box-shadow: 0 10px 20px 0 rgba(183,175,175,0.30);
        border-radius: 4px;
        padding: 15px 10px;
    }
    .account .car:hover .car-tip{ 
        /* 鼠标经过时展示从none变为block */
        display: block; 
    }
    .account .car .car-tip .tip-title{
        font-family: MicrosoftYaHei-Bold;
        font-size: 16px;
        color: #2E3B4C;
        letter-spacing: 0;
        font-weight: 700;
        border-left: 4px solid #3A64E8;
        padding-left: 5px;
        line-height: 16px;
        margin-bottom: 5px;
    }
    .account .car .car-tip .tip-text{
        font-family: MicrosoftYaHei;
        font-size: 14px;
        color: #2E3B4C;
        letter-spacing: 0;
        font-weight: 400;
    }

style>

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