【代碼筆記】帳號，密碼記住，代碼筆記帳號記住

【代碼筆記】帳號，密碼記住，代碼筆記帳號記住

一，。

 

 

 

二，工程圖。

三，代碼。

RegisViewController.h

#import <UIKit/UIKit.h>@interface RegisViewController : UIViewController@end

 

RegisViewController.m

//註冊頁面#import "RegisViewController.h"#import "LoginViewController.h"@interface RegisViewController (){    UITextField *accountField;    UITextField *passField;}@end@implementation RegisViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        // Custom initialization    }    return self;}- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.        self.title=@"註冊";        [self initView];    }-(void)initView{    accountField=[[UITextField alloc]initWithFrame:CGRectMake(50, 100, 200, 40)];    [accountField setBackgroundColor:[UIColor redColor]];    [accountField setPlaceholder:@"請輸入帳號"];    [accountField setKeyboardType:UIKeyboardTypeNumberPad];    [accountField setClearsContextBeforeDrawing:YES];    [self.view addSubview:accountField];            passField=[[UITextField alloc]initWithFrame:CGRectMake(50, 160, 200, 40)];    [passField setBackgroundColor:[UIColor redColor]];    [passField setPlaceholder:@"請輸入密碼"];    [passField setKeyboardType:UIKeyboardTypeNumberPad];    [passField setClearsContextBeforeDrawing:YES];    [self.view addSubview:passField];            UIButton *registeBut=[UIButton buttonWithType:UIButtonTypeRoundedRect];    registeBut.backgroundColor=[UIColor greenColor];    registeBut.frame=CGRectMake(70, 220, 100, 40);    [registeBut setTitle:@"註冊" forState:UIControlStateNormal];    [registeBut addTarget:self action:@selector(resis) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:registeBut];}//註冊的時候，將帳號，密碼儲存到本地。-(void)resis{    NSUserDefaults *defaut=[NSUserDefaults standardUserDefaults];    [defaut setObject:accountField.text forKey:@"account"];    [defaut setObject:passField.text forKey:@"password"];    [defaut synchronize];        LoginViewController *login=[[LoginViewController alloc]init];    [self.navigationController pushViewController:login animated:YES];            }- (void)didReceiveMemoryWarning{    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}

 

LoginViewController.h

#import <UIKit/UIKit.h>@interface LoginViewController : UIViewController@end

 

LoginViewController.m

//登陸頁面#import "LoginViewController.h"@class RegisViewController;@interface LoginViewController (){    UITextField *accountField;    UITextField *passField;}@end@implementation LoginViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];    if (self) {        // Custom initialization    }    return self;}- (void)viewDidLoad{    [super viewDidLoad];    // Do any additional setup after loading the view.    self.title=@"登陸";        [self initView];    }-(void)initView{    accountField=[[UITextField alloc]initWithFrame:CGRectMake(50, 100, 200, 40)];    [accountField setBackgroundColor:[UIColor redColor]];    [accountField setKeyboardType:UIKeyboardTypeNumberPad];    [accountField setClearsContextBeforeDrawing:YES];    [accountField setText:[[NSUserDefaults standardUserDefaults] objectForKey:@"account"]];    [self.view addSubview:accountField];            passField=[[UITextField alloc]initWithFrame:CGRectMake(50, 160, 200, 40)];    [passField setBackgroundColor:[UIColor redColor]];    [passField setText:[[NSUserDefaults standardUserDefaults] objectForKey:@"password"]];    [passField setKeyboardType:UIKeyboardTypeNumberPad];    [passField setClearsContextBeforeDrawing:YES];    [self.view addSubview:passField];            UIButton *loginBut=[UIButton buttonWithType:UIButtonTypeRoundedRect];    loginBut.backgroundColor=[UIColor greenColor];    loginBut.frame=CGRectMake(70, 220, 100, 40);    [loginBut setTitle:@"登陸" forState:UIControlStateNormal];    [loginBut addTarget:self action:@selector(login) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:loginBut];        }-(void)login{    [self.navigationController popViewControllerAnimated:YES];}