仿制QQ界面
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- #pragma mark - @主绘制画面
- - (void)viewDidLoad
- {
- [super viewDidLoad];
- // Do any additional setup after loading the view.
- #pragma mark 1.设置View的背景图片
- UIColor *bgColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"002.jpg"]];
- [self.view setBackgroundColor:bgColor];
- #pragma mark 2.绘制账号
- self.userLabel = [[UILabel alloc]initWithFrame:CGRectMake(20, 120, 50, 40)];
- self.userLabel.text = @"账号";
- [self.userLabel setFont:[UIFont boldSystemFontOfSize:20.0]];
- [self.view addSubview:self.userLabel];
- [self.userLabel release];
- self.userText = [[UITextField alloc]initWithFrame:CGRectMake(self.userLabel.right , self.userLabel.top,self.userLabel.width+170 , self.userLabel.height)];
- self.userText.borderStyle = UITextBorderStyleRoundedRect;
- self.userText.placeholder = @"手机号/会员名/邮箱";
- self.userText.clearButtonMode = UITextFieldViewModeAlways; // 使输入框后面有个小"x" 用来执行一次性删除
- self.userText.keyboardType = UIKeyboardAppearanceDefault;
- self.userText.keyboardAppearance = UIKeyboardAppearanceAlert;
- self.userText.returnKeyType = UIReturnKeyJoin;
- self.userText.delegate = self;
- [self.view addSubview:self.userText];
- [self.userText release];
- #pragma mark 3.绘制密码
- _pwdLabel = [[UILabel alloc]initWithFrame:CGRectMake(20, 170, 50, 40)];
- _pwdLabel.text = @"密码";
- [_pwdLabel setFont:[UIFont boldSystemFontOfSize:20.0]];
- [self.view addSubview:_pwdLabel];
- [_pwdLabel release];
- _pwdText = [[UITextField alloc]initWithFrame:CGRectMake(_pwdLabel.right, _pwdLabel.top, _pwdLabel.width+170, _pwdLabel.height)];
- _pwdText.borderStyle = UITextBorderStyleRoundedRect;
- _pwdText.placeholder = @"password";
- _pwdText.secureTextEntry = YES;
- _pwdText.clearButtonMode = UITextFieldViewModeAlways;
- _pwdText.keyboardType = UIKeyboardTypeEmailAddress;
- _pwdText.keyboardAppearance = UIKeyboardAppearanceAlert;
- _pwdText.returnKeyType = UIReturnKeyJoin;
- _pwdText.delegate = self;
- [self.view addSubview:_pwdText];
- [_pwdText release];
- #pragma mark 4.绘制是否记住密码控件
- _isLabel = [[UILabel alloc]initWithFrame:CGRectMake(20, 210, 100, 40)];
- _isLabel.text = @"记住密码";
- [_isLabel setFont:[UIFont boldSystemFontOfSize:20.0]];
- [self.view addSubview:_isLabel];
- [_isLabel release];
- _isISwitch = [[UISwitch alloc]initWithFrame:CGRectMake(230, 215, 40, _isLabel.height)];
- [_isISwitch addTarget:self action:@selector(openOrClosed:) forControlEvents:UIControlEventValueChanged];
- [self.view addSubview:_isISwitch];
- #pragma mark 5.绘制登录按钮
- _login = [UIButton buttonWithType:UIButtonTypeSystem];
- _login.frame = CGRectMake(40, 250, 240, 40);
- [_login.titleLabel setFont:[UIFont boldSystemFontOfSize:30.0]]; // 设置字体大小
- _login.tintColor = [UIColor blackColor];
- [_login setBackgroundImage:[UIImage imageNamed:@"login1.png"] forState:UIControlStateNormal]; // 设置按钮的背景图片
- [_login setTitle:@"登录" forState:UIControlStateNormal];
- [_login addTarget:self action:@selector(loginView:) forControlEvents:UIControlEventTouchUpInside];
- [self.view addSubview:_login];
- }
- #pragma mark - @响应是否记住密码开关
- - (IBAction)openOrClosed:(id)sender{
- UISwitch * switchButton = (UISwitch *)sender;
- if ([switchButton isOn]) {
- NSLog(@"YES");
- } else {
- NSLog(@"NO");
- }
- }
- #pragma mark - @响应点击登录按钮
- - (IBAction)loginView:(id)sender{
- HMTMainViewController * mainVC = [[HMTMainViewController alloc]init];
- UINavigationController * mainNC = [[UINavigationController alloc]initWithRootViewController:mainVC];
- // 模态视图控制器呈现出来时候的视觉效果
- mainVC.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
- // 模态视图控制器呈现方式,默认全屏
- mainVC.modalPresentationStyle = UIModalPresentationFullScreen;
- NSString * userString = self.userText.text;
- NSString * pwdString = self.pwdText.text;
- if ([userString isEqualToString:@"23423423424"] && [pwdString isEqualToString:@"hE2342340"] ) {
- [self presentViewController:mainNC animated:YES completion:^{
- NSLog(@"登陆成功");
- }];
- } else {
- NSLog(@"用户名或者密码错误");
- }
- [mainNC release];
- [mainVC release];
- #pragma mark 第3种方式收回键盘
- // 当前视图结束编辑
- [self.view endEditing:YES];
- }
- #pragma mark - @3种方法来收回弹出来的键盘
- #pragma mark 第1种方式来收回键盘 -------> 通过UITextField本身的协议来实现
- - (BOOL)textFieldShouldReturn:(UITextField *)textField
- {
- // 放弃第一响应者
- [textField resignFirstResponder];
- return YES;
- }
- #pragma mark 第2种方式来收回键盘 -------> 通过重写UIResponder的方法
- - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
- // selfself.view.subviews 返回的是加载在View视图上的所有视图的数组
- [self.view.subviews enumerateObjectsUsingBlock:^(UIView* obj, NSUInteger idx, BOOLBOOL *stop) {
- if ([obj isKindOfClass:[UITextField class]]) {
- [obj resignFirstResponder];
- }
- }];
- }
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