解决 " 登录页面（没有导航栏）跳转到下一页面（有导航栏） " 问题

loginViewController *loginVC = [[loginViewController alloc]init];
UINavigationController *navigationController = [[UINavigationController alloc]initWithRootViewController:loginVC];
self.window.rootViewController = navigationController;

//隐藏导航栏
-(void)viewWillAppear:(BOOL)animated{
self.navigationController.navigationBarHidden = YES;
}

//跳转方法
-(void)goToView:(UIButton*)button{
temporaryViewController *temporaryVC = [[temporaryViewController alloc]init];
[self.navigationController pushViewController:temporaryVC animated:NO];
}