182 lines
4.1 KiB
Vue
182 lines
4.1 KiB
Vue
<!--空气质量变化趋势-->
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<template>
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<div id="charts" ref="charts">
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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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import {EleResize} from '@/utils/esresize';
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const lodash = require('lodash')
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export default {
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name: 'AirQualityTrendCharts',
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props: {
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dataSource: {
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type: Array,
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default: () => []
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},
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color: {
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type: Array,
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default: () => [
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'#FDBD00',
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'#00D5FF',
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'#1978E5'
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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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},
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watch: {
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dataSource: {
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deep: true,
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immediate: true,
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handler(value) {
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if (value.length) {
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this.$nextTick(() => {
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this.init()
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})
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}
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}
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}
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},
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mounted() {
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},
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methods: {
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init() {
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let myCharts = echarts.init(this.$refs.charts)
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let barCharts = this.$refs.charts
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// 复制代码
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let color = this.color;
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let chartData = this.dataSource;
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//将数据根据attr进行分组
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let dataSourceByAttrObj = lodash.groupBy(chartData, 'attr')
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//将不同对象的值转换成不同的数组
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let dataSource = Object.values(dataSourceByAttrObj)
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//过滤x轴名称
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let xAxisName = []
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let nameLengthMaxIndex = 0
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let nameLength = 0
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//找出name最多的数据
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for (const index in dataSource) {
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let xAxisNameList = dataSource[index].map(item => item.name) || []
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if (xAxisNameList.length > nameLength) {
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nameLength = xAxisNameList.length
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nameLengthMaxIndex = index
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}
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}
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//将挑选的name作为x轴数据
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xAxisName = dataSource[nameLengthMaxIndex].map(item => item.name) || []
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//获取y周值
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let attrNames = Object.keys(dataSourceByAttrObj)
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let seriesList = []
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for (const index in dataSource) {
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let yAxisDataSource = dataSource[index].map(item => item.value)
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let series = {
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name: attrNames[index],
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type: 'line',
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smooth: false,
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zlevel: 3,
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symbol: 'none', //数据交叉点样式
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data: yAxisDataSource,
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yAxisIndex: 0, // 通过这个判断左右
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lineStyle: {
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width: 3,
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}
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}
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seriesList.push(series)
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}
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let option = {
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color: color,
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legend: {
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top: 20,
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left: '30%',
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itemWidth: 11,
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itemHeight: 11,
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icon: 'circle',
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textStyle: {
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color: 'rgba(106,196,255,0.60)',
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fontSize: 15,
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padding: [0, 0, 0, 10]
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}
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},
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tooltip: {
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trigger: 'axis',
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},
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grid: {
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top: 50,
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bottom: 10,
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containLabel: true,
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},
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xAxis: [
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{
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type: 'category',
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boundaryGap: true,
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axisLabel: {
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fontSize: 15,
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color: 'rgba(106,196,255,0.60)'
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},
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axisLine: {
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show: true,
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lineStyle: {
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color: 'rgba(176,215,255,0.40)',
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},
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},
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axisTick: {
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show: false
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},
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data: xAxisName,
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},
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],
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yAxis: [
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{
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type: 'value',
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splitNumber: 5,
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axisLabel: {
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fontSize: 15,
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color: 'rgba(106,196,255,0.60)'
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},
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nameTextStyle: {
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color: 'rgba(106,196,255,0.60)',
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fontSize: 15,
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lineHeight: 20,
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},
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// 分割线
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splitLine: {
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lineStyle: {
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color: 'rgba(176,215,255,0.40)',
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type: 'dashed'
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},
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},
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axisLine: {
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show: false,
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},
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axisTick: {
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show: false,
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},
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}
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],
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series: seriesList,
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};
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myCharts.setOption(option)
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let listener = function () {
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myCharts.resize()
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}
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EleResize.on(barCharts, listener)
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}
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}
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}
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</script>
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<style scoped lang="less">
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#charts {
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height: 100%;
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width: 100%;
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}
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</style>
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