iOS objective-c实现底部导航栏

一个有5个ViewController
ViewController.m文件
//
// ViewController.m
// haha
//
// Created by 温国强 on 2022/1/9.
//

#import "ViewController.h"
#import "ViewController2.h"
#import "ViewController3.h"
#import "ViewController4.h"
#import "ViewController5.h"

#import "AppDelegate.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];

self.view.backgroundColor=[UIColor whiteColor];
[self.tabBar set

iOS objective-c实现底部导航栏最先出现在Python成神之路。