storyboard切换程序进入页面_html/css_WEB-ITnose

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    if([userDefaults objectForKey:@"autoLogIn"] != nil && [userDefaults objectForKey:@"rand_code"] != nil) {        UIStoryboard *board = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];        //获取故事板中某个View        UIViewController *next = [board instantiateViewControllerWithIdentifier:@"mainTabBar"];        [self.window setRootViewController:next];        [self.window makeKeyAndVisible];    }else{        UIStoryboard *board = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];        //获取故事板中某个View        UIViewController *next = [board instantiateViewControllerWithIdentifier:@"mainTabBar"];        [self.window setRootViewController:next];        [self.window makeKeyAndVisible];    }    return YES;} 

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