iOS实现账号、密码记住功能

• Z时代
• 2024-01-10
• 分类：综合

本文实例为大家分享了Android九宫格图片展示的具体代码，供大家参考，具体内容如下

一、效果图

二、工程图

三、代码

RegisViewController.h

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

 RegisViewController.m

 //注册页面
#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=@"注册";
  [self initView];
}
-(void)initView
{
  accountField=[[UITextField alloc]initWithFrame:CGRectMake(50, 100, 200, 40)];
  [accountField setBackgroundColor:[UIColor redColor]];
  [accountField setPlaceholder:@"请输入账号"];
  [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:@"请输入密码"];
  [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:@"注册" forState:UIControlStateNormal];
  [registeBut addTarget:self action:@selector(resis) forControlEvents:UIControlEventTouchUpInside];
  [self.view addSubview:registeBut];
}
//注册的时候，将账号，密码保存到本地。
-(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

 //登陆页面
#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=@"登陆";
  [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:@"登陆" forState:UIControlStateNormal];
  [loginBut addTarget:self action:@selector(login) forControlEvents:UIControlEventTouchUpInside];
  [self.view addSubview:loginBut];
}
-(void)login
{
  [self.navigationController popViewControllerAnimated:YES];
}

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