获取View所在的控制器

- (UIViewController *)ViewController

{

id nextResponder = [self nextResponder];

while (nextResponder != nil) {

if ([nextResponder isKindOfClass:[UIViewController class]]) {

UIViewController *vc = (UIViewController *)nextResponder;

return vc;

}

nextResponder = [nextResponder nextResponder];

}

return nil;

}