highChart数据动态更新

chartBS.series[0].setData(sugarListDataBefore);
chartBS.series[0].name=beforeTimeName;

chartBS.series[1].setData(sugarListDataAfter);
chartBS.series[1].name=afterTimeName;
chartBS.redraw(false);

chartBS.series[0].update({
                    name: beforeTimeName,
                    data: sugarListDataBefore
                });
                chartBS.series[1].update({
                    name: afterTimeName,
                    data: sugarListDataAfter
                });