高仿客路旅游APP的UINavigationBar的扩展使用

项目介绍：

高仿客路旅游APP的UINavigationBar的扩展使用。欢迎大家互相学习，感觉不错给个好评哟。


主要集成代码：
[Objective-C] 查看源文件 复制代码

self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
    UINavigationController *nav = [[UINavigationController alloc]initWithRootViewController:[TravelNavController new]];
    nav.tabBarItem = [[UITabBarItem alloc]initWithTitle:@"demo0" image:nil selectedImage:nil];

    UINavigationController *nav0 = [[UINavigationController alloc]initWithRootViewController:[TravelNav0Controller new]];
    nav0.tabBarItem = [[UITabBarItem alloc]initWithTitle:@"demo1" image:nil selectedImage:nil];
    UINavigationController *nav1 = [[UINavigationController alloc]initWithRootViewController:[TravelNav1Controller new]];
    nav1.tabBarItem = [[UITabBarItem alloc]initWithTitle:@"demo2" image:nil selectedImage:nil];
    UITabBarController *tabVC = [[UITabBarController alloc]init];
    tabVC.viewControllers = @[nav, nav0, nav1];
    self.window.rootViewController = tabVC;
    [self.window makeKeyAndVisible];