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iOS实现账号、密码记住功能

2019年07月24日  | 移动技术网移动技术  | 我要评论

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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