当我初始化UITabBarController时，每个选项卡都包含UINavigationController并且每个UINavigationController都包含UIViewController当在UIViewController中时，我会做类似的事情TSActivityDetailsVC*c=[[TSActivityDetailsVCalloc]initWithNibName:@"TSActivityDetailsVC"bundle:nil];[self.navigationControllerpushViewController:canimated:YES];我有动画，但是当