140 lines
2.9 KiB
Vue
140 lines
2.9 KiB
Vue
<template>
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<div class="mod-demo-echarts">
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<el-row :gutter="20">
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<el-col :span="24">
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<el-card>
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<div :id="'J_chartLineBox' + id" class="chart-box"></div>
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</el-card>
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</el-col>
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</el-row>
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</div>
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</template>
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<script>
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import * as echarts from 'echarts'
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export default {
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props: {
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id: {
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type: Number,
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default: 1
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},
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showId: {
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type: Number,
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default: 0
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},
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name: {
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type: String,
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default: ''
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},
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dataList: {
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type: Array,
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default: () => {
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return []
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}
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},
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lastDataList: {
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type: Array,
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default: () => {
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return []
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}
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}
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},
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data () {
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return {
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chartLine: null
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}
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},
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watch: {
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showId: function (v) {
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if (v === this.id) {
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this.initChartLine()
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}
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}
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},
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mounted () {
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this.initChartLine()
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},
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activated () {
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// 由于给echart添加了resize事件, 在组件激活时需要重新resize绘画一次, 否则出现空白bug
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if (this.chartLine) {
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this.chartLine.resize()
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}
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},
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methods: {
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// 折线图
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initChartLine () {
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if (this.chartLine) {
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this.chartLine.dispose()
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}
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var option = {
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title: {
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text: this.name
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},
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tooltip: {
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trigger: 'axis'
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},
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legend: {
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data: [ '当前', '上一个单位' ]
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},
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grid: {
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left: '3%',
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right: '4%',
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bottom: '3%',
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containLabel: true
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},
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xAxis: {
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type: 'category',
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boundaryGap: false,
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data: this.dataList.map(item => {
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return item.time
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})
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},
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yAxis: {
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type: 'value'
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},
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series: [
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{
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name: '当前',
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type: 'line',
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data: this.dataList.map(item => {
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return item.value
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})
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},
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{
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name: '上一个单位',
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type: 'line',
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data: this.lastDataList.map(item => {
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return item.value
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})
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}
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]
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}
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this.chartLine = echarts.init(document.getElementById('J_chartLineBox' + this.id))
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this.chartLine.setOption(option)
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window.addEventListener('resize', () => {
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this.chartLine.resize()
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})
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.mod-demo-echarts {
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> .el-alert {
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margin-bottom: 10px;
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}
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> .el-row {
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margin-top: -10px;
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margin-bottom: -10px;
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.el-col {
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padding-top: 10px;
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padding-bottom: 10px;
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}
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}
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.chart-box {
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min-height: 300px;
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}
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}
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</style>
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