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| // pages/mService/pDevicedata/pDevicedata.js
| import moment from '../../../utils/moment.min'
| import bLoadingStatus from '../../../base/behaviors/bLoadingStatus'
| import bLoadingToast from '../../../base/behaviors/bLoadingToast'
|
| const echarts = require("../../../component/ec-canvas/echarts")
| const deviceservice = require('../../../service/deviceservice')
| const app = getApp()
|
| function setOption(chart, data) {
| var option = {
| // title: {
| // text: data.total, //主标题文本
| // subtext: '注册企业', //副标题文本
| // },
| textStyle: {
| color: 'white'
| },
| color: ['white'],
| grid: {
| containLabel: true
| },
| tooltip: {
| show: true,
| trigger: 'axis'
| },
| xAxis: {
| name: '时间',
| nameLocation: 'end',
| type: 'time',
| boundaryGap: false,
| nameRotate: 90,
| nameTextStyle: {
| fontSize: 10,
| },
| axisLabel: {
| rotate: 45
| }
| },
| yAxis: {
| name: '浓度\n(mg/m³)',
| nameLocation: 'end',
| position: 'left',
| type: 'value',
| splitLine: {
| lineStyle: {
| type: 'dashed'
| }
| },
| // show: false
| },
| grid: {
| x: 38,
| y: 40,
| x2: 30,
| y2: 60
| },
|
| series: [{
| name: '浓度',
| type: 'line',
| smooth: true,
| areaStyle: {
| color: {
| type: 'linear',
| x: 0.5,
| y: 0,
| x2: 0.5,
| y2: 1,
| colorStops: [{
| offset: 0,
| color: '#28db74' // 0% 处的颜色
| }, {
| offset: 1,
| color: '#dcfeea79' // 100% 处的颜色
| }],
| opacity: 0.1,
| global: false // 缺省为 false
| }
| },
| data: data,
| }]
| };
|
| chart.setOption(option);
| }
|
| Page({
| behaviors: [bLoadingStatus, bLoadingToast],
| /**
| * 页面的初始数据
| */
| data: {
| ec: {
| lazyLoad: true
| },
| //查询日期
| selectDate: '',
| endDay: '',
| //查询时间
| startTime: '',
| endTime: '',
| //监测数据
| dataList: [{
| time: '----',
| value: '--'
| }, ],
| //排口位置
| outfallLocation: undefined,
| //排口所属
| outfallOwner: undefined
| },
|
| /**
| * 生命周期函数--监听页面加载
| */
| onLoad(options) {
|
| },
|
| /**
| * 生命周期函数--监听页面初次渲染完成
| */
| onReady() {
| this.ecComponent = this.selectComponent('#mychart-dom-line');
| this.initChart()
| },
|
| initParams() {
| const now = moment()
| const eD = now.format("YYYY-MM-DD")
| this.setData({
| selectDate: eD,
| endDay: eD,
| startTime: '00:00',
| endTime: '23:59'
| })
| },
|
| initChart: function () {
| var data = []
| this.ecComponent.init((canvas, width, height, dpr) => {
| // 获取组件的 canvas、width、height 后的回调函数
| // 在这里初始化图表
| const chart = echarts.init(canvas, null, {
| width: width,
| height: height,
| devicePixelRatio: dpr // new
| });
| canvas.setChart(chart);
| setOption(chart, data);
|
| // 将图表实例绑定到 this 上，可以在其他成员函数（如 dispose）中访问
| this.chart = chart;
| this.getDeviceData()
| this.initParams()
|
| // 注意这里一定要返回 chart 实例，否则会影响事件处理等
| return chart;
| });
| },
|
| getDeviceData() {
| this.setData({
| loading: true
| })
|
| var that = this
| const {
| selectDate,
| startTime,
| endTime
| } = this.data
| let sT = ''
| let eT = ''
| if (selectDate != '') {
| sT = selectDate + ' ' + startTime
| eT = selectDate + ' ' + endTime
| }
| const cb = {
| success(data) {
| that.setData({
| dataList: data.reverse()
| })
| that.parseChart(data)
| },
| fail(err) {
| that.setData({
| dataList: []
| })
| },
| complete() {
| that.setData({
| loading: false
| })
| }
| }
| const sceneType = app.globalData.userInfo.extension2
| switch (sceneType) {
| case '1':
| deviceservice.getJingAnFumeVakue(app.globalData.accessToken.userId, sT, eT, cb)
| break;
| // case '2':
| // break;
| // case '3':
| // break;
| // case '4':
| // break;
| // case '5':
| // break;
| // case '6':
| // break;
| // case '7':
| // break;
| default:
| this.setData({
| dataList: [],
| loading: false
| })
| break;
| }
| },
|
| parseChart(dataList) {
| const xValues = []
| dataList.forEach(d => {
| let t = d.time.replace(' ', 'T')
| t = t + ':00.000'
| xValues.push([t, d.value])
| });
| setOption(this.chart, xValues)
|
| // setOption(this.chart, [
| // ['2022-11-28T10:05:00.000', 0.02],
| // ['2022-11-28T10:10:00.000', 0.04],
| // ['2022-11-28T10:15:00.000', 0.02],
| // ['2022-11-28T10:20:00.000', 0.02],
| // ['2022-11-28T10:25:00.000', 0.01],
| // ['2022-11-28T10:30:00.000', 0.01],
| // ['2022-11-28T10:35:00.000', 0.01],
| // ['2022-11-28T10:40:00.000', 0.01],
| // ['2022-11-28T10:45:00.000', 0.02],
| // ['2022-11-28T10:50:00.000', 0.03],
| // ['2022-11-28T10:55:00.000', 0.08],
| // ['2022-11-28T11:00:00.000', 0.1],
| // ])
| },
|
| bindDateChange(e) {
| let d = e.detail.value
| this.setData({
| selectDate: d,
| })
| },
|
| bindStartTimeChange(e) {
| let d = e.detail.value
| this.setData({
| startTime: d,
| })
| },
|
| bindEndTimeChange(e) {
| let d = e.detail.value
| this.setData({
| endTime: d,
| })
| }
| })
|
|
