IOS开发 添加子控制器

添加自控制器

[parentController.view addSubview:childController.view]; 

[parentController addChildViewController:childController];

[childController didMoveToParentViewController:parentController];

移除子控制器

[childController willMoveToParentViewController:nil];

[childController.view removeFromSuperview];

[childController removeFromParentViewController];

测试