UINavigationController 跳转到指定 页面

[self.navigationController popToViewController:[self.navigationController.viewControllers objectAtIndex:2] 
animated:YES];
或

for (UIViewController *temp in self.navigationController.viewControllers) {
           if ([temp isKindOfClass:[你要跳转到的Controller class]]) {
              [self.navigationController popToViewController:temp animated:YES];
           }
       }

UIStoryboard *board = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
                                                    FeedListViewController *vc = [board instantiateViewControllerWithIdentifier:@"FeedListViewController"];
                                                    for (UIViewController *temp in self.navigationController.viewControllers) {
                                                        if ([temp isKindOfClass:[vc class]]) {
                                                            [self.navigationController popToViewController:temp animated:YES];
                                                        }
                                                    }