1. // 1.设置导航栏背景  
2. UINavigationBar *bar = [UINavigationBar appearance];  
3. [bar setBackgroundImage:[UIImage resizeImage:@"NavigationBar_Background.png"] forBarMetrics:UIBarMetricsDefault];  
4. // 状态栏  
5. [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;  
6.   
7. // 2.设置导航栏文字属性  
8. NSMutableDictionary *barAttrs = [NSMutableDictionary dictionary];  
9. [barAttrs setObject:[UIColor darkGrayColor] forKey:UITextAttributeTextColor];  
10. [barAttrs setObject:[NSValue valueWithUIOffset:UIOffsetMake(0, 0)] forKey:UITextAttributeTextShadowOffset];  
11. [bar setTitleTextAttributes:barAttrs];  
12.   
13. // 3.按钮  
14. UIBarButtonItem *item = [UIBarButtonItem appearance];  
15. [item setBackgroundImage:[UIImage resizeImage:@"BarButtonItem_Normal.png"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];  
16. [item setBackgroundImage:[UIImage resizeImage:@"BarButtonItem_Pressed.png"] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];  
17.   
18. NSMutableDictionary *itemAttrs = [NSMutableDictionary dictionaryWithDictionary:barAttrs];  
19. [itemAttrs setObject:[UIFont boldSystemFontOfSize:13] forKey:UITextAttributeFont];  
20. [item setTitleTextAttributes:itemAttrs forState:UIControlStateNormal];  
21. [item setTitleTextAttributes:itemAttrs forState:UIControlStateHighlighted];  
22. [item setTitleTextAttributes:itemAttrs forState:UIControlStateDisabled];  
23.   
24. // 4.返回按钮  
25. [item setBackButtonBackgroundImage:[UIImage resizeImage:@"BarButtonItem_Back_Normal.png"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];  
26. [item setBackButtonBackgroundImage:[UIImage resizeImage:@"BarButtonItem_Back_Pressed.png"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];  

搞了半天，居然没有发现可以插入Objective-C代码的地方。真郁闷