iOS popToViewController具体用法

[self.navigationController popToViewController:[self.navigationController.viewControllers objectAtIndex:1]

animated:YES];

或

searchBarViewController *searchBarVC = [[searchBarViewController alloc]init];

for (UIViewController *temp in self.navigationController.viewControllers)

{

if ([temp isKindOfClass:[searchBarVC class]])

{

[self.navigationController popToViewController:temp animated:YES];

}

}