ios返回指定页

#pragma mark返回指定页

-(void)goBack:(UIBarButtonItem *)sender

{

   for (UIViewController *controller inself.navigationController.viewControllers) {

       if ([controllerisKindOfClass:[CommunityHomeNewVC//指定页 class]]) {

            [self.navigationControllerpopToViewController:controlleranimated:YES];

        }

    }

}