controller.modalTransitionStyle =UIModalTransitionStyleCoverVertical;//设置动画样式[self presentModalViewController:controller animated:YES];[self dismissModalViewController Animated:YES];

- (void)transitionFromViewController:(UIViewController *)fromViewController                     toViewController:(UIViewController *)toViewController                             duration:(NSTimeInterval)duration                              options:(UIViewAnimationOptions)options                           animations:(void (^)(void))animations                           completion:(void (^)(BOOL))completion{    //在此处可以重写ViewController的动画样式}