animation界面跳转翻页效果

    SecondViewController * vc = [[SecondViewController alloc]init];
    UIApplication * app = [UIApplication sharedApplication];
    AppDelegate * appDelegate = app.delegate ;
    UIWindow * window = appDelegate.window ;
    window.rootViewController = vc ;
    
//    设置翻页效果
    [UIView beginAnimations:nil context:nil];
    [UIView setAnimationDuration:2];
    //第一个参数：设置翻页效果
    //第二个参数：切换视图的父视图
    //第三个参数：是否使用缓存 ；
    [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:window cache:YES];
    [UIView commitAnimations];