ios开发之--pop到指定页面

1 推出到根视图控制器

 [self.navigationController popToRootViewControllerAnimated:YES];

2 推出到指定的视图控制器

for (UIViewController *controller in self.navigationController.viewControllers) 
{ 
   if ([controller isKindOfClass:[AViewController class]]) { 
      AViewController *A =(AViewController *)controller; 
      [self.navigationController popToViewController:A animated:YES]; 
    } 
}

仅做记录！