#import "AYPickerDataView.h"
HLPickerCellView *cellView = [HLPickerCellView viewWithFrame:frame Name:@"Age" unit:@"Year" valueRangeFromMin:@0 toMax:@100 defaultValue:@25 andOwner:self type:HLPersonCellViewEnumAge];
cellView.scaleBackgroundColor = [UIColor yellowColor];
cellView.scaleColor = [UIColor blueColor];
cellView.scaleBorderWidth = 3.0;
cellView.scaleCursorColor = [UIColor redColor];
cellView.resultTextColor = [UIColor magentaColor];
// add a gradient effect for the ruler
cellView.gradientEnable = YES;
cellView.gradientColorCenter = [UIColor colorWithWhite:0 alpha:0];
cellView.gradientColorCorner = [UIColor colorWithWhite:0 alpha:0.8];
添加一个渐变layer, 使滚动栏具有立体感。

