//push专场动画

CATransition *animation = [CATransition animation];

[animation setDuration:0.3];

[animation setType: kCATransitionMoveIn];

[animation setSubtype: kCATransitionFromTop];

[animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];

[self.navigationController.layer addAnimation:animation forKey:kCATransition];

[self.navigationController pushViewController:one animated:NO];