navigationController 后退返回vc

navigationController 后退返回vc

法1:  

NSArray *vcArray = self.navigationController.viewControllers;

    [self.navigationController popToViewController:[vcArray objectAtIndex:vcArray.count-2-1] animated:YES];

   

法2：

//    for(UIViewController *vc in vcArray)
//    {
//        if ([vc isKindOfClass:[BViewController Class]])
//        {
//            [self.navigationController popToViewController:vc animated:YES];
//        }
//    }