- (void)viewDidLoad {
[super viewDidLoad]; [self setUpAllChildViewController];} /** * 添加所有子控制器方法 */- (void)setUpAllChildViewController{ // 1.添加第一个控制器 CYXOneViewController *oneVC = [[CYXOneViewController alloc]init]; [self setUpOneChildViewController:oneVC image:[UIImage imageNamed:@"tab_home_icon"] title:@"首页"]; // 2.添加第2个控制器 CYXTwoViewController *twoVC = [[CYXTwoViewController alloc]init]; [self setUpOneChildViewController:twoVC image:[UIImage imageNamed:@"js"] title:@"技术"]; // 3.添加第3个控制器 CYXThreeViewController *threeVC = [[CYXThreeViewController alloc]init]; [self setUpOneChildViewController:threeVC image:[UIImage imageNamed:@"qw"] title:@"博文"]; // 4.添加第4个控制器 CYXFourViewController *fourVC = [[CYXFourViewController alloc]init]; [self setUpOneChildViewController:fourVC image:[UIImage imageNamed:@"user"] title:@"我的江湖"];} /** * 添加一个子控制器的方法 */- (void)setUpOneChildViewController:(UIViewController *)viewController image:(UIImage *)image title:(NSString *)title{ UINavigationController *navC = [[UINavigationController alloc]initWithRootViewController:viewController]; navC.title = title; navC.tabBarItem.image = image; [navC.navigationBar setBackgroundImage:[UIImage imageNamed:@"commentary_num_bg"] forBarMetrics:UIBarMetricsDefault]; viewController.navigationItem.title = title; [self addChildViewController:navC];}原文：http://www.cnblogs.com/yinxiao-bai1014/p/5244314.html