Vue 中使用vue2-highcharts实现曲线数据展示的方法

lineCharts.addSeries({name: this.endDay + ' A相功率因素',data: []});
lineCharts.addSeries({name: this.endDay + ' B相功率因素',data: []});
lineCharts.addSeries({name: this.endDay + ' C相功率因素',data: []});
}
}else if(this.itemStatus == 1){
title = '电流';
lineCharts.getChart().title.update({ text: '电流' });
lineCharts.getChart().yAxis[0].setTitle({text:'电流(A)'});
if(this.itemType == 0){
lineCharts.addSeries({name: this.startDay + ' 电流',data: []});
lineCharts.addSeries({name: this.endDay + '电流',data: []});
}else if(this.itemType == 1){
lineCharts.addSeries({name: this.startDay + ' Ia 相电流',data: []});
lineCharts.addSeries({name: this.startDay + ' Ib 相电流',data: []});
lineCharts.addSeries({name: this.startDay + ' Ic 相电流',data: []});
lineCharts.addSeries({name: this.startDay + ' 零序电流',data: []});
lineCharts.addSeries({name: this.endDay + ' Ia 相电流',data: []});
lineCharts.addSeries({name: this.endDay + ' Ib 相电流',data: []});
lineCharts.addSeries({name: this.endDay + ' Ic 相电流',data: []});
lineCharts.addSeries({name: this.endDay + ' 零序电流',data: []});
}
}else if(this.itemStatus == 2){
title = '电压';
lineCharts.getChart().title.update({ text: '电压' });
lineCharts.getChart().yAxis[0].setTitle({text:'电压(V)'});
if(this.itemType == 0){
lineCharts.addSeries({name: this.startDay + ' 电压',data: []});
lineCharts.addSeries({name: this.endDay + ' 电压',data: []});
}else if(this.itemType == 1){
lineCharts.addSeries({name: this.startDay + ' A相电压',data: []});
lineCharts.addSeries({name: this.startDay + ' B相电压',data: []});
lineCharts.addSeries({name: this.startDay + ' C相电压',data: []});
lineCharts.addSeries({name: this.endDay + ' A相电压',data: []});
lineCharts.addSeries({name: this.endDay + ' B相电压',data: []});
lineCharts.addSeries({name: this.endDay + ' C相电压',data: []});
}
}else if(this.itemStatus == 3){
title = '有功功率';
lineCharts.getChart().title.update({ text: '有功功率' });
lineCharts.getChart().yAxis[0].setTitle({text:'有功功率(KVA)'});
if(this.itemType == 0){
lineCharts.addSeries({name: this.startDay + ' 有功功率',data: []});
lineCharts.addSeries({name: this.endDay + ' 有功功率',data: []});
}else if(this.itemType == 1){
lineCharts.addSeries({name: this.startDay + ' 总有功功率',data: []});
lineCharts.addSeries({name: this.startDay + ' A相有功功率',data: []});
lineCharts.addSeries({name: this.startDay + ' B相有功功率',data: []});
lineCharts.addSeries({name: this.startDay + ' C相有功功率',data: []});
lineCharts.addSeries({name: this.endDay + ' 总有功功率',data: []});