我刚接触编程和swift，所以我有一个问题......如何在iOS图表中设置最大缩放？尝试过:funcsetBarChart(dataPoints:[String],humidity:[Double],andDays:Int,forTime:String){letformato=BarChartFormatter()letxaxis=XAxis()varhumidityEntry:[BarChartDataEntry]=[]foriin0..=1.0&&barChartView.xRange1.3//{//barChartView.notifyDataSetChanged()//bar