打印CGRect :
NSLog(@"%@",NSStringFromCGRect(someCGRect));或 CFShow(NSStringFromCGRect(pickerView.frame));
打印 CGSize :
NSLog(@"%@",NSStringFromCGSize(someCG Size ));
其他的是:
NSStringFromCGPoint NSStringFromCGAffineTransform NSStringFromUIEdgeInsets