可以输出view,label,button ~~控件的frame,size查看
NSString *NSStringFromCGPoint( CGPoint point);
NSString *NSStringFromCGSize( CGSize size);
NSString *NSStringFromCGRect( CGRect rect);
NSString *NSStringFromCGAffineTransform( CGAffineTransform transform);
NSString *NSStringFromUIEdgeInsets( UIEdgeInsets insets);
NSString *NSStringFromUIOffset( UIOffset offset);
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