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根据View找控制器

- (UIViewController*)viewController{    for (UIView* next = [self superview]; next; next = next.superview) {        UIResponder* nextResponder = [next nextResponder];        if ([nextResponder isKindOfClass:[UIViewController class]]) {            return (UIViewController*)nextResponder;        }    }    return nil;}

 

根据View找控制器