QQ登陆注册

#import "MainViewController.h"
#import "CustomView.h"
#import "PassViewController.h"
#import "RegistViewController.h"
@interface MainViewController ()

@end

@implementation MainViewController
- (void)dealloc
{
[super dealloc];
}
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
}
return self;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
// Do any additional setup after loading the view.
[self creatView];
[self CreatButton];
}

- (void)creatView
{

CustomView *userName = [[CustomView alloc] initWithFrame:CGRectMake(30, 150, 280, 40) text:@"用户名"];
[self.view addSubview:userName];
userName.tag = 100;
userName.leftText.tag = 1000;
[userName release];

CustomView *passWord = [[CustomView alloc] initWithFrame:CGRectMake(30, 200, 280, 40) text:@"密码"];
[self.view addSubview:passWord];
passWord.tag = 10;
passWord.leftText.tag = 2000;
passWord.leftText.secureTextEntry = YES;//密码模式
[self.view release];

}
// 回收键盘
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
CustomView *pas = (CustomView *)[self.view viewWithTag:10];
CustomView *name = (CustomView *)[self.view viewWithTag:100];
[pas.leftText resignFirstResponder];
[name.leftText resignFirstResponder];
}

- (void)CreatButton
{

// 登录按钮
UIButton * loginButton = [UIButton buttonWithType:UIButtonTypeCustom];
[loginButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
loginButton.frame = CGRectMake(50, 260, 60, 40);
[loginButton setTitle:@"登录" forState:UIControlStateNormal];
[loginButton addTarget:self action:@selector(loginButtonCLicked:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:loginButton];

// 找回密码按钮
UIButton * foundButton = [UIButton buttonWithType:UIButtonTypeCustom];
[foundButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];

foundButton.frame = CGRectMake(150, 260, 80, 40);
[foundButton setTitle:@"找回密码" forState:UIControlStateNormal];
[foundButton addTarget:self action:@selector(foundButtonCLicked:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:foundButton];

// 注册按钮
UIButton * registButton = [UIButton buttonWithType:UIButtonTypeCustom];
[registButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];

registButton.frame = CGRectMake(260, 260, 60, 40);
[registButton setTitle:@"注册" forState:UIControlStateNormal];
[registButton addTarget:self action:@selector(registButtonCLicked:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:registButton];

}

- (void)loginButtonCLicked:(id)sender
{
UITextField * textField = (UITextField *)[self.view viewWithTag:1000];
UITextField * textField1 = (UITextField *)[self.view viewWithTag:2000];
if ([textField.text isEqualToString:@""]) {
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"傻逼" message:@"用户名不能为空" delegate:nil  cancelButtonTitle:@"返回" otherButtonTitles:nil, nil];
[alertView show];
[alertView release];
}
else if ([textField.text isEqualToString:@"yu"]) {
if ([textField1.text isEqualToString:@"123"]) {

UIAlertView *successView = [[UIAlertView alloc] initWithTitle:@"么么哒" message:@"您登录成功" delegate:self cancelButtonTitle:@"back" otherButtonTitles:nil, nil];
[successView show];
[successView release];
}
else if(![textField1.text isEqualToString:@"123"] && ![textField1.text isEqualToString:@""])
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"(☆_☆)" message:@"你确定密码对么？" delegate:nil  cancelButtonTitle:@"返回" otherButtonTitles:nil, nil];
[alertView show];
[alertView release];
}

}
if([textField1.text isEqualToString:@""]){
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"(☆_☆)" message:@"请输入密码！！！" delegate:nil  cancelButtonTitle:@"返回" otherButtonTitles:nil, nil];
[alertView show];
[alertView release];
}
else if(![textField.text isEqualToString:@"yu"] && ![textField.text isEqualToString:@""] && ![textField1.text isEqualToString:@""])
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:@"您输入的用户不存在" delegate:nil  cancelButtonTitle:@"返回" otherButtonTitles:nil, nil];
[alertView show];
[alertView release];
}

}

// 找回按钮action
- (void)foundButtonCLicked:(id)sender
{
PassViewController *passVC = [[PassViewController alloc] init];
[self presentViewController:passVC animated:YES completion:^{

}];
[passVC release];
}

// 注册按钮action
- (void)registButtonCLicked:(id)sender
{
RegistViewController *registVC = [[RegistViewController alloc] init];

[self presentViewController:registVC animated:YES completion:^{

}];
[registVC release];
}

## import "RegistViewController.h 页面##
#import "RegistViewController.h"
#import "CustomView.h"
@interface RegistViewController ()

@end

@implementation RegistViewController
- (void)dealloc
{
[super dealloc];
}
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
}
return self;
}

- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
// Do any additional setup after loading the view.
[self CreateView];
[self creatButton];
}

-(void)CreateView
{
NSArray *aArray = [NSArray arrayWithObjects:@"用户名", @"密码", @"确认密码", @"手机", @"邮箱", nil];
NSArray *bArray = [NSArray arrayWithObjects:@"请输入用户名", @"请输入密码", @"请再次输入", @"请输入手机号", @"请输入邮箱", nil];
int b = 1;
for (int i = 0; i < [bArray count]; i++) {
NSString *str = [aArray objectAtIndex:i];
CustomView *cus = [[CustomView alloc] initWithFrame:CGRectMake(20, 100 + i * 70, 300, 40) text:str];
cus.leftText.placeholder = [bArray objectAtIndex:i];
cus.leftText.tag = b++;
[self.view addSubview:cus];
[cus release];
}
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
for (int i = 1; i < 6; i++) {
UITextField * field = (UITextField *)[self.view viewWithTag:i];
[field resignFirstResponder];
}
}
- (void)creatButton
{

UIButton * loginButton = [UIButton buttonWithType:UIButtonTypeCustom];
[loginButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
loginButton.frame = CGRectMake(80, 480, 60, 40);
[loginButton setTitle:@"注册" forState:UIControlStateNormal];
[loginButton addTarget:self action:@selector(foundButtonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:loginButton];

UIButton * cancelButton = [UIButton buttonWithType:UIButtonTypeCustom];
[cancelButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
cancelButton.frame = CGRectMake(260, 480, 60, 40);
[cancelButton setTitle:@"取消" forState:UIControlStateNormal];
[cancelButton addTarget:self action:@selector(cancelButtonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:cancelButton];
}

- (void)foundButtonAction:(id)sender
{

}
- (void)cancelButtonAction:(id)sender
{
[self dismissViewControllerAnimated:YES completion:^{

}];
}
## import "PassViewController.h 页面##
#import "PassViewController.h"
#import "CustomView.h"
@interface PassViewController ()

@end

@implementation PassViewController
- (void)dealloc
{
[super dealloc];
}
- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{

self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
}
return self;
}

- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
// Do any additional setup after loading the view.
[self creatView];
}
- (void)creatView
{
UITextField * mail = [[UITextField alloc] initWithFrame:CGRectMake(30, 100, 300, 40)];
mail.placeholder = @"电子邮箱";
mail.borderStyle = UITextBorderStyleRoundedRect;
mail.keyboardType = UIKeyboardTypeEmailAddress;
mail.clearsOnBeginEditing = YES;
mail.tag = 123;
[self.view addSubview:mail];
[mail release];

UIButton * foundButton = [UIButton buttonWithType:UIButtonTypeCustom];
[foundButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
foundButton.frame = CGRectMake(80, 160, 60, 40);
[foundButton setTitle:@"找回" forState:UIControlStateNormal];
[foundButton addTarget:self action:@selector(foundButtonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:foundButton];

UIButton * cancelButton = [UIButton buttonWithType:UIButtonTypeCustom];
[cancelButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
cancelButton.frame = CGRectMake(260, 160, 60, 40);
[cancelButton setTitle:@"取消" forState:UIControlStateNormal];
[cancelButton addTarget:self action:@selector(cancelButtonAction:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:cancelButton];

}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
UITextField *mail = (UITextField *)[self.view viewWithTag:123];

[mail resignFirstResponder];
}

- (void)foundButtonAction:(id)sender
{
[self dismissViewControllerAnimated:YES completion:^{

}];

}
- (void)cancelButtonAction:(id)sender
{
[self dismissViewControllerAnimated:YES completion:^{

}];
}
## 标题 ##
#import <UIKit/UIKit.h>

@interface CustomView : UIView<UITextFieldDelegate>
@property (nonatomic, retain)UILabel *rightLable;
@property (nonatomic, retain)UITextField * leftText;
-(instancetype)initWithFrame:(CGRect)frame text:(NSString *)str;
@end
## 标题 ##
#import "CustomView.h"

@implementation CustomView
- (void)dealloc
{
[super dealloc];
[_leftText release];
[_rightLable release];
}
- (instancetype)initWithFrame:(CGRect)frame text:(NSString *)str
{
self = [super initWithFrame:frame];
if (self) {
self.rightLable = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, self.frame.size.width / 3 - 10, self.frame.size.height)];
_rightLable.textAlignment = NSTextAlignmentLeft;
_rightLable.text = str;
_rightLable.font = [UIFont boldSystemFontOfSize:20];
[self addSubview:_rightLable];
[_rightLable release];

self.leftText = [[UITextField alloc] initWithFrame:CGRectMake(self.frame.size.width / 3 + 20, 0, self.frame.size.width * 2 / 3 + 10, self.frame.size.height)];
_leftText.font = [UIFont systemFontOfSize:20];
_leftText.clearsOnBeginEditing = YES;
_leftText.borderStyle = UITextBorderStyleRoundedRect;
[self addSubview:_leftText];
[_leftText release];

}
return self;
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
[textField resignFirstResponder];
return YES;
}