swift -> Swift实现IOS界面的跳转

 

FROM: http://blog.csdn.net/tianmaxingkong_/article/details/50708511

 

iOS开发中界面跳转有两种方式,上下跳转和左右跳转。

上下跳转_TO:

 

let secondViewController = SecondViewController()  
self.presentViewController(secondViewController, animated: true, completion: nil) 
  

 也可以 直接  self.present();

 

 

上下跳转_BACK:

 

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dismissViewControllerAnimated(true, completion: nil)  
 也可以直接 self.dismiss()

 

 

 

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左右跳转_TO:

(将新的视图控制器PUSH到navigationController中,相当于入栈操作)

 

 

let secondViewController = SecondViewController()  
self.navigationController!.pushViewController(secondViewController, animated: true) 

 

 

 

左右跳转_BACK:

(将当前视图控制器从导航视图控制器堆栈中移除,从而返回到了上一级界面)

( - ) BACK_到上一级:

let firstViewController = FirstViewController()  
self.navigationController?.popViewControllerAnimated(true) 

  

 

( - ) BACK_指定界面:

 

// 获得视图控制器中的某一视图控制器  
let viewController = self.navigationController?.viewControllers[0]  
self.navigationController?.popToViewController(viewController as! UIViewController, animated: true) 

  

 

 

( - ) BACK_根视图:

 

self.navigationController?.popToRootViewControllerAnimated(true)  

 

 

根视图的设置需要在AppDelegate中设置:

 

var window: UIWindow?  
  
  
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool  
{  
    var firstViewController = FirstViewController()  
    var rootNavigationViewController = UINavigationController(rootViewController: firstViewController)  
          
    self.window!.rootViewController = rootNavigationViewController  
          
    return true  
}

 

 

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转载自mft.iteye.com/blog/2376992