通过uiview 得到所在的viewcontroller

- (HXBaseViewController *)appName_viewController {

    Class vcc = [HXBaseViewControllerclass];

    UIResponder *responder = self;

    while ((responder = [responder nextResponder]))

        if ([responder isKindOfClass: vcc])

            return (HXBaseViewController *)responder;

    return nil;

}