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#import <UIKit/UIKit.h> @interface UIButton (Event) -(void)handleAction:(void(^)(void))block;

@end

#import "UIButton+Event.h"

#import <objc/runtime.h> typedef void(^ActcionBlock) (void); @implementation UIButton (Event) static char key; -(void)handleAction:(void(^)(void))block {     [self addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];     objc_setAssociatedObject(self, &key, block, OBJC_ASSOCIATION_COPY_NONATOMIC);      } -(void)buttonClick:(UIButton*)button {     ActcionBlock block = objc_getAssociatedObject(self, &key);     if (block != nil) {         block();     } } @end

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