iOS 动态地使用StoryBoard中的ViewController

设置StroyBoard中ViewController的Identity

使用该ViewController

UIStoryboard *storyBoard=[UIStoryboard storyboardWithName:@"Main_iPhone" bundle:nil];         //获取当前的storyboard对象                LoginViewController *loginViewController = [storyBoard instantiateViewControllerWithIdentifier:@"LoginViewController"];                [self.navigationController pushViewController:loginViewController animated:YES];