#import <UIKit/UIKit.h>
@interface UIView (ViewController)
- (UIViewController *)viewController;
@end
#import "UIView+ViewController.h"
@implementation UIView (ViewController)
- (UIViewController *)viewController {
UIResponder *next = self.nextResponder;
do {
//判断响应者对象是否为视图控制器类型
if ([next isKindOfClass:[UIViewController class]]) {
return (UIViewController *)next;
}
next = next.nextResponder;
} while (next != nil);
return nil;
}
@end
原文：http://blog.csdn.net/xhm294304668/article/details/19424879