/// 开关开启状态的顶部滑块颜色 默认白色
@property (nonatomic, strong) UIColor *onTintColor;

/// 开关关闭状态的顶部滑块颜色 默认白色
@property (nonatomic, strong) UIColor *offTintColor;

/// 开关开启状态的底部背景颜色 默认绿色
@property (nonatomic, strong) UIColor *onBackgroundColor;

/// 开关关闭状态的底部背景颜色 默认lightGrayColor
@property (nonatomic, strong) UIColor *offBackgroundColor;

/// 开关开启状态的的图片，设置后onTintColor无效
@property (nonatomic, strong) UIImage *onImage;

/// 开关关闭状态的的图片，设置后offTintColor无效
@property (nonatomic, strong) UIImage *offImage;

/// 开关边框颜色 默认无
@property (nonatomic, strong) UIColor *tintColor;

/// 开关的内边距，默认3,5,3,5
@property (nonatomic, assign) UIEdgeInsets padding;