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在xcode中简单使用delegate

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发出信息者

SenderController.h

#import <UIKit/UIKit.h>
@class SenderController;
@protocol SenderControllerDelegate<NSObject>
@required
-(void) goToReceiveView;
@end

@interface SenderController : UIViewController{
    id <SenderControllerDelegate> delegate;
}
@property (assign, nonatomic) id <SenderControllerDelegate> delegate;
@property (retain, nonatomic) IBOutlet UIButton *goToReceiveButton;

- (IBAction)goReceive:(id)sender;

@end#import <UI



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