ios 实现导航控制器带动画的推送页面

- (void)viewDidLoad
{
    [super viewDidLoad];
    self.view.backgroundColor=[UIColor grayColor];
  
   
    self.navigationController.navigationItem.title=@"A";
    self.navigationItem.leftBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(back1)];

   
}
-(void)back1{
    B *b=[[B alloc]init];
    b.view.backgroundColor=[UIColor redColor];
    UINavigationController *navi=[[UINavigationController alloc]initWithRootViewController:b];
    navi.viewControllers=[NSArray arrayWithObjects:b, nil];
    [b release];
    navi.modalTransitionStyle=UIModalTransitionStyleFlipHorizontal;
    [self presentModalViewController:navi animated:YES];
    [navi release];
   
   
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.navigationController.navigationItem.title=@"B";
    self.navigationItem.leftBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(back)];
}
-(void)back{
    [self dismissModalViewControllerAnimated:YES];
}