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                # IOS 故事板(Storyboards) ## 簡介 Storyboards在 iOS 5 中才有介紹,當我們用Storyboards時,部署目標應該是iOS5.0或更高版本。 Storyboards 幫助我們了解視覺流動的畫面,在界面為 MainStoryboard.storyboard下創建所有應用程序屏幕。 ### 實例步驟 1\. 創建一個single view application,創建應用程序時選擇 storyboard 復選框。 2\. 選擇MainStoryboard.storyboard,在這里你可以找到單一視圖控制器。添加一個視圖控制器,更新視圖控制器,如下所示 ![storyboardInterface](https://box.kancloud.cn/2015-12-13_566ce8a9130ce.jpg) 3.連接兩個視圖控制器。右鍵單擊"show modal(顯示模式)"按鈕,在左側視圖控制器將其拖動到右視視圖控制器中,如下圖所示: ![storyboardButtonAction](https://box.kancloud.cn/2015-12-13_566ce8a920865.jpg) 4.現在從如下所示的三個顯示選項中選擇modal(模態) ![storyboardButtonActionModal](https://box.kancloud.cn/2015-12-13_566ce8a97baff.jpg) 5.更新 ViewController.h 如下所示 ``` #import <UIKit/UIKit.h> @interface ViewController : UIViewController -(IBAction)done:(UIStoryboardSegue *)seque; @end ``` 6.更新 ViewController.m 如下所示 ``` #import "ViewController.h" @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } -(IBAction)done:(UIStoryboardSegue *)seque{ [self.navigationController popViewControllerAnimated:YES]; } @end ``` 7.選擇"MainStoryboard.storyboard",并右鍵點擊"Exit "按鈕,在右側視圖控制器中選擇和連接后退按鈕,如下圖所示 ![storyboardButtonExitAction](https://box.kancloud.cn/2015-12-13_566ce8a9d4b7c.jpg) ### 輸出 在iPhone設備中運行該應用程序,得到如下輸出結果 ![storyboardOutput1](https://box.kancloud.cn/2015-12-13_566ce8aa3cafe.jpg) 現在,選擇顯示模式,將得到下面的輸出結果 ![storyboardOutput2](https://box.kancloud.cn/2015-12-13_566ce8aa4843e.jpg)
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