登录注册页面的
//第一页
#import "ViewController.h"
#import "LoginAndRegisterViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// 设置背景图
[self setBackImageView];
// 设置界面跳转的Button
[self addButton];
}
- (void)setBackImageView
{
UIImageView *imageView = [[UIImageView alloc] initWithFrame:self.view.frame];
imageView.image = [UIImage imageNamed:@"2.jpg"];
[self.view addSubview:imageView];
}
- (void)addButton
{
CGFloat btnH = 80;
UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(0, self.view.frame.size.height - 100, [UIScreen mainScreen].bounds.size.width, btnH)];
[btn setTitle:@"进入APP" forState:UIControlStateNormal];
[btn setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
btn.titleLabel.font = [UIFont systemFontOfSize:30];
[btn addTarget:self action:@selector(clickBtn) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
}
- (void)clickBtn
{
// 模态形式切换界面
// 1. 获取控制器对象
LoginAndRegisterViewController *loginRVC = [[LoginAndRegisterViewController alloc] init];
// 2. 设置动画的效果（可以省略）
// UIModalTransitionStyleCoverVertical = 0,
// UIModalTransitionStyleFlipHorizontal, // 翻转
// UIModalTransitionStyleCrossDissolve, // 渐变
// UIModalTransitionStylePartialCurl // 书页
// loginRVC.modalTransitionStyle = UIModalTransitionStylePartialCurl;
// 3. 切换
// 第一个参数：需要切换的控制器 第二个参数：切换过程中是否需要动画 第三个代码块：切换完成之后执行的操作
[self presentViewController:loginRVC animated:YES completion:nil];
}
@end
//2.登陆页
#import "RegisterViewController.h"
#import "SuccessViewController.h"
#import "LoginAndRegisterViewController.h"
@interface LoginAndRegisterViewController ()
{
UITextField *_userNameTF;
UITextField *_userPasswordTF;
}
@end
@implementation LoginAndRegisterViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor redColor];
// 1. 添加背景图
[self addBackGroundImageView];
// 2. 用户名和密码框
[self addNameAndPasswordTextField];
// 3. 添加登录注册返回按钮
[self addButtons];
}
- (void)addBackGroundImageView
{
UIImageView *imageView = [[UIImageView alloc] initWithFrame:self.view.frame];
imageView.image = [UIImage imageNamed:@"3.jpg"];
[self.view addSubview:imageView];
}
- (void)addNameAndPasswordTextField
{
CGFloat textFieldX = 30;
CGFloat textFieldY = 100;
CGFloat textFieldW = self.view.frame.size.width - 2 * textFieldX;
CGFloat textFieldH = 60;
// 用户名输入框
_userNameTF = [[UITextField alloc] initWithFrame:CGRectMake(textFieldX, textFieldY, textFieldW, textFieldH)];
_userNameTF.backgroundColor = [UIColor whiteColor];
_userNameTF.alpha = 0.6;
_userNameTF.font = [UIFont systemFontOfSize:30];
_userNameTF.clearButtonMode = UITextFieldViewModeWhileEditing;
UIImageView *leftImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 50, 50)];
leftImageView.image = [UIImage imageNamed:@"username"];
_userNameTF.leftView = leftImageView;
_userNameTF.leftViewMode = UITextFieldViewModeAlways;
[self.view addSubview:_userNameTF];
// 用户密码输入框
_userPasswordTF = [[UITextField alloc] initWithFrame:CGRectMake(textFieldX, CGRectGetMaxY(_userNameTF.frame) + 30, textFieldW, textFieldH)];
_userPasswordTF.backgroundColor = [UIColor whiteColor];
_userPasswordTF.font = [UIFont systemFontOfSize:30];
_userPasswordTF.alpha = 0.6;
_userPasswordTF.clearButtonMode = UITextFieldViewModeWhileEditing;
UIImageView *lImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 50, 50)];
lImageView.image = [UIImage imageNamed:@"password"];
_userPasswordTF.leftView = lImageView;
_userPasswordTF.leftViewMode = UITextFieldViewModeAlways;
_userPasswordTF.secureTextEntry = YES;
[self.view addSubview:_userPasswordTF];
}
- (void)addButtons
{
CGFloat btnX = 0;
CGFloat btnY = 0;
CGFloat btnW = self.view.frame.size.width / 2;
CGFloat btnH = 50;
// 按钮的titile
NSArray *array = @[@"登录",@"返回",@"注册"];
for (int i = 0; i < 3; i ++) {
#warning mark - 很诡异
btnX = (i==1)?btnW:0;
btnY = (i==2)?CGRectGetMaxY(_userPasswordTF.frame) + 30 + btnH:CGRectGetMaxY(_userPasswordTF.frame) + 30;
UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(btnX, btnY, btnW, btnH)];
[btn setTitle:array[i] forState:UIControlStateNormal];
[btn setTitleColor:[UIColor yellowColor] forState:UIControlStateHighlighted];
btn.tag = 100 + i;
btn.titleLabel.font = [UIFont systemFontOfSize:30];
[btn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
}
}
- (void)clickBtn:(UIButton *)sender
{
switch (sender.tag) {
case 100:
NSLog(@"登录");
[self clickLoginBtn];
break;
case 101:
NSLog(@"返回");
[self dismissViewControllerAnimated:YES completion:nil];
break;
case 102:
{
NSLog(@"注册");
RegisterViewController *registerVC = [[RegisterViewController alloc] init];
[self presentViewController:registerVC animated:YES completion:nil];
}
break;
default:
break;
}
}
- (void)clickLoginBtn
{
if ([_userNameTF.text isEqualToString:@""] || [_userPasswordTF.text isEqualToString:@""] ) {
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:@"用户名或密码不能为空" delegate:nil cancelButtonTitle:@"知道~~" otherButtonTitles:nil, nil];
[alertView show];
}else{
NSString *userNameStr = _userNameTF.text;
NSString *userPasswordStr = _userPasswordTF.text;
// 单例(存储数据)
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
NSDictionary *dict = [userDefaults objectForKey:@"GOUDAN"];
NSString *passWord = [dict objectForKey:userNameStr];
if ([passWord isEqualToString:userPasswordStr]) {// 登录成功
SuccessViewController *successVC = [[SuccessViewController alloc] init];
[self presentViewController:successVC animated:YES completion:nil];
}
// // 返回
// [self dismissViewControllerAnimated:YES completion:nil];
}
}
//3.注册页
#import "RegisterViewController.h"
@interface RegisterViewController ()
{
UITextField *_userNameTF;
UITextField *_userPasswordTF;
}
@end
@implementation RegisterViewController
- (void)viewDidLoad {
[super viewDidLoad];
// 1. 添加背景图
[self addBackGroundImageView];
// 2. 用户名和密码框
[self addNameAndPasswordTextField];
// 3. 添加登录注册返回按钮
[self addButtons];
}
- (void)addBackGroundImageView
{
UIImageView *imageView = [[UIImageView alloc] initWithFrame:self.view.frame];
imageView.image = [UIImage imageNamed:@"3.jpg"];
[self.view addSubview:imageView];
}
- (void)addNameAndPasswordTextField
{
CGFloat textFieldX = 30;
CGFloat textFieldY = 100;
CGFloat textFieldW = self.view.frame.size.width - 2 * textFieldX;
CGFloat textFieldH = 60;
// 用户名输入框
_userNameTF = [[UITextField alloc] initWithFrame:CGRectMake(textFieldX, textFieldY, textFieldW, textFieldH)];
_userNameTF.backgroundColor = [UIColor whiteColor];
_userNameTF.alpha = 0.6;
_userNameTF.font = [UIFont systemFontOfSize:30];
_userNameTF.clearButtonMode = UITextFieldViewModeWhileEditing;
UIImageView *leftImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 50, 50)];
leftImageView.image = [UIImage imageNamed:@"username"];
_userNameTF.leftView = leftImageView;
_userNameTF.leftViewMode = UITextFieldViewModeAlways;
[self.view addSubview:_userNameTF];
// 用户密码输入框
_userPasswordTF = [[UITextField alloc] initWithFrame:CGRectMake(textFieldX, CGRectGetMaxY(_userNameTF.frame) + 30, textFieldW, textFieldH)];
_userPasswordTF.backgroundColor = [UIColor whiteColor];
_userPasswordTF.font = [UIFont systemFontOfSize:30];
_userPasswordTF.alpha = 0.6;
_userPasswordTF.clearButtonMode = UITextFieldViewModeWhileEditing;
UIImageView *lImageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 50, 50)];
lImageView.image = [UIImage imageNamed:@"password"];
_userPasswordTF.leftView = lImageView;
_userPasswordTF.leftViewMode = UITextFieldViewModeAlways;
_userPasswordTF.secureTextEntry = YES;
[self.view addSubview:_userPasswordTF];
}
- (void)addButtons
{
CGFloat btnX = 0;
CGFloat btnY = 0;
CGFloat btnW = self.view.frame.size.width / 2;
CGFloat btnH = 50;
// 按钮的titile
NSArray *array = @[@"注册",@"返回"];
for (int i = 0; i < 2; i ++) {
btnX = (i==1)?btnW:0;
btnY = CGRectGetMaxY(_userPasswordTF.frame) + 30;
UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(btnX, btnY, btnW, btnH)];
[btn setTitle:array[i] forState:UIControlStateNormal];
[btn setTitleColor:[UIColor yellowColor] forState:UIControlStateHighlighted];
btn.tag = 100 + i;
btn.titleLabel.font = [UIFont systemFontOfSize:30];
[btn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
}
}
- (void)clickBtn:(UIButton *)sender
{
switch (sender.tag) {
case 100:
NSLog(@"注册");
[self clickRegisterBtn];
break;
case 101:
NSLog(@"返回");
[self dismissViewControllerAnimated:YES completion:nil];
break;
default:
break;
}
}
- (void)clickRegisterBtn
{
// 1. 校验用户名和密码
NSLog(@"----%@",_userNameTF.text);
if ([_userNameTF.text isEqualToString:@""] || [_userPasswordTF.text isEqualToString:@""] ) {
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:@"用户名或密码不能为空" delegate:nil cancelButtonTitle:@"知道~~" otherButtonTitles:nil, nil];
[alertView show];
}else{
NSString *userNameStr = _userNameTF.text;
NSString *userPasswordStr = _userPasswordTF.text;
// 单例(存储数据)
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
NSDictionary *dict = @{userNameStr:userPasswordStr};
[userDefaults setObject:dict forKey:@"GOUDAN"];
// 返回
[self dismissViewControllerAnimated:YES completion:nil];
}
}
//4
登陆成功页
#import "SuccessViewController.h"
@interface SuccessViewController ()
@end
@implementation SuccessViewController
- (void)viewDidLoad {
[super viewDidLoad];
UIImageView *imageView = [[UIImageView alloc] initWithFrame:self.view.frame];
imageView.image = [UIImage imageNamed:@"1.jpg"];
[self.view addSubview:imageView];
}
