登录->标签控制器->分区表格

//  AppDelegate.m

#import "ViewController.h"

ViewController *vc = [[ViewController alloc] init];

UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:vc];

self.window.rootViewController = nav;

self.window.backgroundColor = [UIColor grayColor];

//  ViewController.m

#import "MainViewController.h"

//---------------------------

//标题

self.title = @"登录";

//标签:用户名

UILabel *lab1 = [[UILabel alloc]initWithFrame:CGRectMake(48, 100, 66, 44)];

lab1.text = @"用户名:";

lab1.textColor = [UIColor blackColor];

[self.view addSubview:lab1];

//标签:密码

UILabel *lab2 = [[UILabel alloc]initWithFrame:CGRectMake(50, 180, 66, 44)];

lab2.text = @"密码:";

lab2.textColor = [UIColor blackColor];

[self.view addSubview:lab2];

//文本框账号

UITextField *text1 = [[UITextField alloc] initWithFrame:CGRectMake(100, 100, 200, 44)];

text1.borderStyle = UITextBorderStyleRoundedRect;

text1.secureTextEntry = NO;

[self.view addSubview:text1];

//密码文本框

UITextField *text2 = [[UITextField alloc] initWithFrame:CGRectMake(100, 180, 200, 44)];

text2.borderStyle = UITextBorderStyleRoundedRect;

text2.secureTextEntry = YES;

[self.view addSubview:text2];

//登录

UIButton *but = [UIButton buttonWithType:UIButtonTypeCustom];

but.frame = CGRectMake(150, 250, 100, 44);

[but setTitle:@"登录" forState:UIControlStateNormal];

but.backgroundColor = [UIColor blackColor];

//添加事件

[but addTarget:self action:@selector(Method) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:but];

//===================

//点击登录跳转

-(void)Method

{

MainViewController *main = [[MainViewController alloc] init];

[self presentViewController:main animated:YES completion:nil];

}

//  MainViewController.h 继承 UITabBarController

// MainViewController.m

#import "oneViewController.h"

#import "twoViewController.h"

#import "threeViewController.h"

#import "fourViewController.h"

//=============================

oneViewController *one = [[oneViewController alloc] init];

twoViewController *two = [[twoViewController alloc] init];

threeViewController *three = [[threeViewController alloc] init];

fourViewController *four = [[fourViewController alloc] init];

UINavigationController *navOne = [[UINavigationController alloc] initWithRootViewController:one];

UINavigationController *navTwo = [[UINavigationController alloc] initWithRootViewController:two];

UINavigationController *navThree = [[UINavigationController alloc] initWithRootViewController:three];

UINavigationController *navFour = [[UINavigationController alloc] initWithRootViewController:four];

UITabBarItem *item1 = [[UITabBarItem alloc]initWithTitle:@"我的音乐" image:[UIImage imageNamed:@"首页.png"] tag:1 ];

UITabBarItem *item2 = [[UITabBarItem alloc]initWithTitle:@"音乐馆" image:[UIImage imageNamed:@"首页.png"] tag:1 ];

UITabBarItem *item3 = [[UITabBarItem alloc]initWithTitle:@"发现" image:[UIImage imageNamed:@"首页.png"] tag:1 ];

UITabBarItem *item4 = [[UITabBarItem alloc]initWithTitle:@"更多" image:[UIImage imageNamed:@"首页.png"] tag:1 ];

navOne.tabBarItem = item1;

navTwo.tabBarItem = item2;

navThree.tabBarItem = item3;

navFour.tabBarItem = item4;

self.viewControllers = @[navOne,navTwo,navThree,navFour];

//====================================================================

//  threeViewController.m  分区表格

//点击音乐圈跳转

#import "threeNextViewController.h"

<UITableViewDelegate,UITableViewDataSource>

{

UITableView *theTableView;

NSMutableArray *arr1,*arr2,*arr3,*arr4;

}

//=======括号内==========

//标题

self.title = @"发现";

//初始化

theTableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStyleGrouped];

//数组1

arr1 = [NSMutableArray arrayWithObjects:@"音乐圈", nil];

//数组2

arr2 = [NSMutableArray arrayWithObjects:@"猜你喜欢",@"听歌识曲",@"身边流行", nil];

//数组3

arr3 = [NSMutableArray arrayWithObjects:@"歌手",@"明星部落", nil];

//数组4

arr4 = [NSMutableArray arrayWithObjects:arr1,arr2,arr3, nil];

//签协议

theTableView.delegate = self;

theTableView.dataSource = self;

//添加到视图

[self.view addSubview:theTableView];

//右上按钮

self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"分类.png"] style:UIBarButtonItemStyleDone target:self action:@selector(tiao)];

//=======括号外==========

//右上角按钮点击事件

-(void)tiao

{

NSLog(@"我有添加事件,我被点击了一下😆");

}

//分区几行

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

return arr4.count;

}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

return [arr4[section]count];

}

//tablecell表格

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@""];

if (!cell)

{

cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@""];

}

NSArray *arr5 = arr4 [indexPath.section];

NSString *str = [arr5 objectAtIndex:indexPath.row];

//分区每行图片

cell.imageView.image = [UIImage imageNamed:@"分类"];

cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

cell.textLabel.text = str;

return cell;

}

//跳转

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

threeNextViewController *theNVC = [[threeNextViewController alloc] init];

[self.navigationController pushViewController:theNVC animated:YES];

}