- (CGRect)backgroundRectForBounds:(CGRect)bounds; //返回背景边界 (image + title)
- (CGRect)contentRectForBounds:(CGRect)bounds; //
- (CGRect)titleRectForContentRect:(CGRect)contentRect; //返回title边界
- (CGRect)imageRectForContentRect:(CGRect)contentRect; //返回image边界
swift 自定义TextField 的边框颜色和 左右 视图
修改UIImage的大小
修改UIImage大小 iOS
- // 圆角
- userhead.layer.masksToBounds = YES;
- userhead.layer.cornerRadius = 6.0;
- userhead.layer.borderWidth = 1.0;
- userhead.layer.borderColor = [[UIColor whiteColor] CGColor]