控制器管理

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MJViewController *mj = [[MJViewController alloc] init];

MJViewController *mj = [[MJViewController alloc] initWithNibName:@"MJViewController" bundle:nil];

UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Test" bundle:nil];

MJViewController *mj = [storyboard instantiateInitialViewController];

MJViewController *mj = [storyboard instantiateViewControllerWithIdentifier:@”mj"];

@property(nonatomic,retain) UIBarButtonItem *backBarButtonItem;

@property(nonatomic,retain) UIView          *titleView;

@property(nonatomic,copy)   NSString        *title;

@property(nonatomic,retain) UIBarButtonItem *leftBarButtonItem;

@property(nonatomic,retain) UIBarButtonItem *rightBarButtonItem;

Storyboard上每一根用来界面跳转的线，都是一个UIStoryboardSegue对象（简称Segue）

@property (nonatomic, readonly) NSString *identifier;

@property (nonatomic, readonly) id sourceViewController;

@property (nonatomic, readonly) id destinationViewController;

手动型：需要通过写代码手动执行Segue，才能完成界面跳转

[self performSegueWithIdentifier:@"login2contacts" sender:nil];

// Segue必须由来源控制器来执行，也就是说，这个perform方法必须由来源控制器来调用

 如果点击某个控件后，需要做一些判断，也就是说：满足一定条件后才跳转到下一个界面，建议使用“手动型Segue”

控制器管理

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原文地址：http://www.cnblogs.com/xhc1263478959/p/4793415.html