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| <template>
| <div id="mychart" class="echart-foot"></div>
| </template>
|
| <script>
| import * as echarts from "echarts";
| import statisticsApi from "@/api/smoke/statistics";
| export default {
| data() {
| return {
| echarts: null,
| }
| },
|
| created() {
| this.getData();
| },
| methods: {
| getData() {
| let param = {
| field: "tenMinData",
| localeId: this.inTimeData.Lid
| }
| statisticsApi.getDocument(param).then(jsonStr => {
| const res = JSON.parse(jsonStr)
| let list = res.Data
|
| let myecharts = echarts.init(document.getElementById("mychart"));
|
| let times = this.getTimer('2020-01-01 00:00:00', 10, 144);
| let data1 = [] // 油烟浓度
| let data2 = [] // 颗粒物浓度
| let data3 = [] // 非甲烷总烃浓度
| times.forEach((o, index) => {
| if (list[index]) {
| data1.push(list[index].emissions_conc);
| data2.push(list[index].granule_conc);
| data3.push(list[index].hydrocarbon_conc);
| }
| else {
| data1.push(0);
| data2.push(0);
| data3.push(0);
|
| }
| });
| // 绘制图表
| myecharts.setOption({
| title: {
| text: '平均浓度mg/m³'
| },
| tooltip: {
| trigger: 'axis'
| },
| legend: {
| data: ['油烟浓度', '颗粒物浓度', '非甲烷总烃浓度']
| },
| xAxis: {
| type: 'category',
| boundaryGap: false,
| data: times
| },
| yAxis: {
| type: 'value'
| },
| series: [
| {
| name: '油烟浓度',
| data: data1,
| stack: 'Total',
| type: "line",
| },
| {
| name: '颗粒物浓度',
| data: data2, stack: 'Total',
| type: "line"
| },
| {
| name: '非甲烷总烃浓度', stack: 'Total',
| data: data3,
| type: "line"
| },
| ],
| });
|
| })
|
| },
|
| getTimer(start, Timer, length) {
| var lists = [];
| var count = 0; //初始值为0
| for (let j = 0; j < length; j++) {
| count += 1;
| var seconds = Date.parse(start); //标准时间转毫秒数
| var totals = j * Timer * 60 * 1000 + seconds; //固定时间间隔+开始时间的总毫秒数
| var res = new Date(totals).toString().split(' ')[4];//毫秒数转字符串，截取，取值
|
| lists.push(res)
| }
| return lists;
| }
|
| },
| props: ['inTimeData']
| }
| </script>
| <style>
| .echart-foot {
| height: 400px;
| width: 100%;
| }
| </style>
|
|
