iOS如何利用storyboard获取控制器对象

1.首先获取MainStoryBoard

UIStoryboard* storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]];

2.设置控制器对应xib的identifier(ViewController)

3.用storyboard获取控制器对象

ViewController* vc = [storyboard instantiateViewControllerWithIdentifier:@"ViewController"];