textfield 登录页面Number&Password的同时判定

来源：互联网发布：湘北vs陵南数据编辑：程序博客网时间：2024/05/02 01:58

// CONE.m

// TableView

// Created by 李小亮 on 16/6/8.

#import "CONE.h"

@interface CONE ()

{

UITextField*number;

UITextField*password;

UIButton*button;

UILabel*label2;

UILabel*label3;

}

@end

@implementation CONE

- (void)viewDidLoad {

[superviewDidLoad];

self.title=@"首页";

//创建文本

UILabel*label=[[UILabelalloc]initWithFrame:CGRectMake(20, 250, 70, 40)];

label.text=@"账号:";

label.font=[UIFontsystemFontOfSize:25];

[self.viewaddSubview:label];

UILabel*label1=[[UILabelalloc]initWithFrame:CGRectMake(20, 330, 70, 40)];

label1.text=@"密码:";

label1.font=[UIFontsystemFontOfSize:25];

[self.viewaddSubview:label1];

//创建logo图片

UIImageView*imageView=[[UIImageViewalloc]init];

imageView.frame=CGRectMake(140, 100, 120, 120);

imageView.backgroundColor=[UIColorclearColor];

UIImage*image=[UIImageimageNamed:@"a.png"];

imageView.image=image;

imageView.layer.masksToBounds=YES;

imageView.layer.cornerRadius=60;

[self.viewaddSubview:imageView];

//创建帐号textfeild

number=[[UITextFieldalloc]initWithFrame:CGRectMake(85, 250, 250, 40)];

number.borderStyle=UITextBorderStyleRoundedRect;

number.backgroundColor=[UIColorgrayColor];

number.placeholder=@"请输入账号";

number.font=[UIFontfontWithName:@"正常"size:18.0f];

number.clearButtonMode=UITextFieldViewModeAlways;

number.keyboardType=UIKeyboardTypeNumbersAndPunctuation;

number.delegate=self;//必须在.h中声明,在.h写上<UITextFieldDelegate>

[self.viewaddSubview:number];

//创建密码textfield

password=[[UITextFieldalloc]initWithFrame:CGRectMake(85, 330, 250, 40)];

password.borderStyle=UITextBorderStyleRoundedRect;

password.backgroundColor=[UIColorgrayColor];

password.placeholder=@"请输入密码";

password.font=[UIFontfontWithName:@"正常"size:18.0f];

password.clearButtonMode=UITextFieldViewModeAlways;

password.keyboardType=UIKeyboardTypeNumberPad;

password.delegate=self;//必须在.h中声明,在.h写上<UITextFieldDelegate>

[self.viewaddSubview:password];

//创建按钮

button=[UIButtonbuttonWithType:UIButtonTypeSystem];

button.frame=CGRectMake(20, 420, 320, 40);

button.backgroundColor=[UIColorgrayColor];

[buttonsetTitle:@"登录"forState:UIControlStateNormal];

[buttonsetTitleColor:[UIColorblackColor] forState:UIControlStateNormal];

button.layer.masksToBounds=YES;

button.layer.cornerRadius=6;

[buttonaddTarget:selfaction:@selector(ButtonClicked)forControlEvents:UIControlEventTouchUpInside];

[self.viewaddSubview:button];

//监听键盘升起时的通知

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(keyboardwillshow)name:UIKeyboardWillShowNotificationobject:nil];

//监听键盘隐藏时的通知

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(keyboardwillhide)name:UIKeyboardWillHideNotificationobject:nil];

}

-(void)keyboardwillshow//键盘展示时,触发此事件

{

[UIViewanimateWithDuration:0.25animations:^{

button.frame=CGRectMake(20, 410, 320, 40);}completion:^(BOOL finished) {

}];

}

-(void)keyboardwillhide////键盘隐藏时,触发此事件

{

[UIViewanimateWithDuration:0.25animations:^{

button.frame=CGRectMake(20, 420 , 320, 40);}completion:^(BOOL finished) {

}];

}

//按钮点击事件

-(void)ButtonClicked{

if ([number.textisEqualToString:@"李亮"] &&[password.textisEqualToString:@"15991726153"]) {

NSLog(@"登录成功");

UIAlertView *alertView = [[UIAlertViewalloc] initWithTitle:@"提示"message:@"登录成功"delegate:selfcancelButtonTitle:@"取消"otherButtonTitles:@"确定",nil];

alertView.tag=1;

[alertView show];

}

else {

NSLog(@"登录失败");

UIAlertView *alertView1 = [[UIAlertViewalloc] initWithTitle:@"失败"message:@"消除文本框里的内容？"delegate:selfcancelButtonTitle:@"取消"otherButtonTitles:@"确定",nil];

alertView1.tag=2;

[alertView1 show];

}

NSLog(@"123");

}

#pragma mark －－－－提示框的代理方法

//根据被点击按钮的索引处理点击事件

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {

if (alertView.tag==1) {

NSLog(@"您点击的是成功的按钮");

if (buttonIndex==0) {

NSLog(@"您点击的是成功里的取消");

}else{

NSLog(@"您点击的是成功里的确认");

}

}elseif (alertView.tag==2){

NSLog(@"您点击的是失败的");

if (buttonIndex==0) {

NSLog(@"您点击的是失败里的取消");

}else{

NSLog(@"您点击的是失败里的确认");

number.text=nil;

password.text=nil;

}

#pragma mark －－－－textfield的代理方法

-(BOOL)textFieldShouldBeginEditing:(UITextField *)textField

{

returnYES;

}

//进入编辑模式时调用

-(void)textFieldDidBeginEditing:(UITextField *)textField

{

NSLog(@"进入编辑模式");

}

//textfield是否可以结束编辑

-(BOOL)textFieldShouldEndEditing:(UITextField *)textField

{

returnYES;//如果将return设置成NO,无法结束textfield的输入，点击其他textfield就无法输入内容

}

//结束编辑时调用

// -(void)textFieldDidEndEditing:(UITextField*)textField

// {

// NSLog(@"内容结束：%@",textField.text);

// if (textField.text.length!=11) {

// NSLog(@"您输入的内容太少了请重新输入");

// textField.text=nil;

// }

//是否可以点击清除按钮

-(BOOL)textFiledShouldClear:(UITextField*)textfield

{

returnYES;

}

//点击空白处，收起键盘

-(void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event

{

[passwordresignFirstResponder];

[numberresignFirstResponder];

}

//是否可以点击return按钮

//-(BOOL)textFieldShouldReturn:(UITextField*)textField

//{

//点击return键盘收起

//[textField resignFirstResponder];

//return YES;

//}

- (void)didReceiveMemoryWarning {

[superdidReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {

// Get the new view controller using [segue destinationViewController].

// Pass the selected object to the new view controller.

}

@end

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