|  |  | 
 |  |  |       this.reloadChartTitle(); | 
 |  |  |       // 清空数据 | 
 |  |  |       this.grid.data = []; | 
 |  |  |       console.log(lineChartCriteria); | 
 |  |  |       this.http.post(environment.SERVER_BASH_URL + '/report/line-chart', lineChartCriteria).subscribe( | 
 |  |  |         (res: ResultBean<{[key: string]: Array<Array<number>>}>) => { | 
 |  |  |            if (res.code === 1) { | 
 |  |  | 
 |  |  |                                     weight = !!value ? weight : weight + 1; | 
 |  |  |                                 } | 
 |  |  |                                 // 四舍五入,保留2位 | 
 |  |  |                                 return !!value ? String(Math.round(value * 100) / 100) : '-'; | 
 |  |  |                                 return value != null ? String(Math.round(value * 100) / 100) : '-'; | 
 |  |  |                            } | 
 |  |  |                        ); | 
 |  |  |                        this.grid.data.push({sensor: sensor, data: sensorData, weight: weight}); |