119 lines
2.3 KiB
Vue
119 lines
2.3 KiB
Vue
<template>
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<div
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id="analysischartLine"
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style="width: 100%"
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:style="{ height: chartHeight + 'px' }"></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 resize from '@/utils/chartMixins/resize';
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export default {
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name: 'LineChart',
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mixins: [resize],
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data() {
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return {
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chartDom: '',
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chart: '',
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chartHeight: this.tableHeight(250) / 2,
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};
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},
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props: {
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chartData: {
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type: Array,
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required: true,
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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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watch: {
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chartData: function () {
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this.getChart();
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},
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},
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mounted() {
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window.addEventListener('resize', () => {
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this.chartHeight = this.tableHeight(250) / 2;
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});
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},
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methods: {
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getChart() {
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if (
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this.chart !== null &&
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this.chart !== '' &&
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this.chart !== undefined
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) {
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this.chart.dispose(); // 页面多次刷新会出现警告，Dom已经初始化了一个实例，这是销毁实例
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}
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this.chartDom = document.getElementById('analysischartLine');
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this.chart = echarts.init(this.chartDom);
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if (this.chartData.length === 0) {
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return false;
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}
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let xData = [];
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let arr = this.chartData[0].type;
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let keys = Object.keys(this.chartData[0]);
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let yData = [];
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for (let j = 0; j < arr.length; j++) {
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for (let k = 0; k < keys.length; k++) {
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if (
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keys[k].indexOf(arr[j] + '_上年同期') > -1 ||
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keys[k].indexOf(arr[j] + '_能源消耗') > -1
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) {
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let obj = {
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name: '',
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type: 'line',
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data: [],
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};
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obj.name = keys[k];
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yData.push(obj);
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}
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}
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}
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for (let i = 0; i < this.chartData.length; i++) {
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xData.push(this.chartData[i].time);
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for (let p = 0; p < yData.length; p++) {
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yData[p].data.push(this.chartData[i][yData[p].name]);
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}
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}
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var option = {
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color: [
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'#FFDC94',
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'#8EF0AB',
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'#63BDFF',
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'#288AFF',
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'#7164FF',
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'#FF6860',
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'#FF9747',
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'#B0EB42',
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'#D680FF',
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'#0043D2',
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],
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legend: {
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data: keys,
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right: '1%',
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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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left: '1%',
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right: '1%',
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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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data: xData,
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},
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yAxis: {
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type: 'value',
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},
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series: yData,
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};
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option && this.chart.setOption(option);
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},
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},
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};
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</script> |