A custom segmented control

可以自定义,实现了block,delegate回调

自定义属性有: @property (nonatomic , strong) NSArray *btnTitleArray;

@property (nonatomic , strong) UIColor *btnTitleNormalColor;

@property (nonatomic , strong) UIColor *btnTitleSelectColor;

@property (nonatomic , strong) UIColor *btnBackgroundNormalColor;

@property (nonatomic , strong) UIColor *btnBackgroundSelectColor;

@property (nonatomic , strong) UIFont *titleFont;