23-团队分工 Storyboard

1.AppDelegate.m

#import "RootTabBarController.h" self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds]; self.window.backgroundColor = [UIColor whiteColor]; [self.window makeKeyAndVisible];     self.window.rootViewController = [[RootTabBarController alloc] init];

2.RootTabBarController.m

#import "RootTabBarController.h"
#import "OneViewController.h"
#import "TwoViewController.h"
#import "ThreeViewController.h"
#import "FourViewController.h"

@interface RootTabBarController ()

@end

@implementation RootTabBarController

- (void)viewDidLoad {
    [super viewDidLoad];

    //1.获取Storyboard文件
    UIStoryboard *one = [UIStoryboard storyboardWithName:@"one" bundle:nil];
    //2.获取导航控制器
   UINavigationController *oneN = [one instantiateViewControllerWithIdentifier:@"one"];
   
    UIStoryboard *two = [UIStoryboard storyboardWithName:@"two" bundle:nil];
    UINavigationController *twoN = [two instantiateViewControllerWithIdentifier:@"two"];
   
    UIStoryboard *three = [UIStoryboard storyboardWithName:@"three" bundle:nil];
    UINavigationController *threeN = [three instantiateViewControllerWithIdentifier:@"three"];
   
    UIStoryboard *four = [UIStoryboard storyboardWithName:@"four" bundle:nil];
     UINavigationController *fourN = [four instantiateViewControllerWithIdentifier:@"four"];
   
   
    self.viewControllers = @[oneN, twoN, threeN, fourN];
   
}