iphone 开发学习基础NSDate

// // _9NSDateAppDelegate.h // 09NSDate // // Created by chen shaohong on 12-9-26. // Copyright __MyCompanyName__ 2012. All rights reserved. // #import <UIKit/UIKit.h> @class _9NSDateViewController; @interface _9NSDateAppDelegate : NSObject <UIApplicationDelegate> { UIWindow *window; _9NSDateViewController *viewController; } @property (nonatomic, retain) IBOutlet UIWindow *window; @property (nonatomic, retain) IBOutlet _9NSDateViewController *viewController; @end