|  |  | 
 |  |  | // 例如:import《组件名称》from'《组件路径》'; | 
 |  |  |  | 
 |  |  | import json from '@/assets/json/sensor.json' | 
 |  |  | import * as echarts from 'echarts' | 
 |  |  | // import { parse } from 'path-to-regexp' | 
 |  |  | // import LineChart from '@/components/Echarts/LineChart' | 
 |  |  | // import draggable from 'vuedraggable' | 
 |  |  | 
 |  |  |   watch: { | 
 |  |  |     PM2_5Data(val) { | 
 |  |  |       // console.log('新数据' + val) | 
 |  |  |       this.myChart = null | 
 |  |  |       this.drawChart() | 
 |  |  |     }, | 
 |  |  |     leftaSide(n, o) { | 
 |  |  | 
 |  |  |       if (this.ws) { | 
 |  |  |         this.ws.close() | 
 |  |  |       } | 
 |  |  |  | 
 |  |  |       var that = this | 
 |  |  |       // 拼写参数 | 
 |  |  |       // var param = this.accountId + '&' + this.orgId + '&' + this.macName | 
 |  |  | 
 |  |  |       // 拼写URL | 
 |  |  |       var socketUrl | 
 |  |  |       if (this.equipment === 'car') { | 
 |  |  |         socketUrl = 'http://47.99.64.149:8081/api/cruiserWebsocket/' + this.macName | 
 |  |  |         socketUrl = 'https://qx.7drlb.com/api/cruiserWebsocket/' + this.macName | 
 |  |  |         // socketUrl = 'http://192.168.0.11:8081/cruiserWebsocket/' + this.macName | 
 |  |  |       } else { | 
 |  |  |         socketUrl = 'http://47.99.64.149:8081/api/singleDevice/' + this.macName | 
 |  |  |         socketUrl = 'https://qx.7drlb.com/api/singleDevice/' + this.macName | 
 |  |  |         // socketUrl = 'http://192.168.0.11:8081/singleDevice/' + this.macName | 
 |  |  |       } | 
 |  |  |       // 替换http为WS | 
 |  |  |       socketUrl = socketUrl.replace('https', 'ws').replace('http', 'ws') | 
 |  |  |  | 
 |  |  |       socketUrl = socketUrl.replace('https', 'wss').replace('http', 'ws') | 
 |  |  |       console.log('socketUrl', socketUrl) | 
 |  |  |       this.ws = new WebSocket(socketUrl) | 
 |  |  |  | 
 |  |  |       this.ws.onopen = function() { | 
 |  |  | 
 |  |  |       const that = this | 
 |  |  |       var bar_dv = this.$refs.main | 
 |  |  |       if (bar_dv) { | 
 |  |  |         that.myChart = this.$echarts.init(bar_dv) | 
 |  |  |         that.myChart = echarts.init(bar_dv) | 
 |  |  |         var option = { | 
 |  |  |           title: { | 
 |  |  |             left: 'center', |