UIPageControl常用属性

//小圆点个数

@property(nonatomic) NSInteger numberOfPages;

//当前所在点

@property(nonatomic) NSInteger currentPage;

//当前点颜色

@property(nullable, nonatomic,strong) UIColor *currentPageIndicatorTintColor;

//其他点颜色

@property(nullable, nonatomic,strong) UIColor *pageIndicatorTintColor;

//进制用户交互

@property(nonatomic,getter=isEnabled) BOOL enabled;