iOS中QQ登入介面的製作,登入頁面和註冊頁面的切換
1.首先將Label和TextField封裝成一個LTView的類，這樣每次建立可以直接生成一組Label和TextField。
command ＋ n 建立一個LTView的類
將LTView.h的介面檔案裡，定義label和textField的例項變數：
@property (nonatomic,strong)UILabel *laber;
@property (nonatomic,strong)UITextField *textField;
在LTView.m檔案中進行封裝：
self = [superinitWithFrame:frame];
if (self) {
self
[selfaddSubview:self.laber];
self.laber.layer.borderWidth = 1;
self.laber.layer.cornerRadius = 5;
self.laber.textAlignment = NSTextAlignmentCenter;
self.textField = [[UITextFieldalloc]
initWithFrame:CGRectMake(width
self.textField.borderStyle =3;
[selfaddSubview:self.textField];
2.製作qq登入介面：command + n 新建一個LoginView的類。
LoginView.h的介面檔案中設定全域性變數：
@classLTView;
@interface LoginView :UIView
@property (nonatomic,strong)LTView *usrName;
@property (nonatomic,strong)LTView
@property (nonatomic,strong)UIButton *loginButton;
@property (nonatomic,strong)UIButton *button1;
@property (nonatomic,strong)UIButton *button2;
@property (nonatomic,strong)UIButton *button3;
@end
LoginView.m中首先引入之前封裝好的LTView.h標頭檔案- (instancetype)initWithFrame:(CGRect)frame
{
self = [superinitWithFrame:frame];
if (self) {
self.usrName = [[LTViewalloc] initWithFrame:CGRectMake(50,100, 200,30)];
self.usrName.laber.text = @"使用者名稱";
self.usrName.textField.placeholder = @"請輸入使用者名稱";
[selfaddSubview:self.usrName];
self.PWD = [[LTViewalloc] initWithFrame:CGRectMake(50,150, 200,30)];
self.PWD.laber.text = @"密碼";
self.PWD.textField.placeholder = @"請輸入密碼";
self.PWD.textField.secureTextEntry = YES;
self.PWD.textField.clearsOnBeginEditing = YES;
[selfaddSubview:self.PWD];
self.button1 = [UIButtonbuttonWithType:UIButtonTypeSystem];
[self.button1setFrame:CGRectMake(50,200, 50,30)];
[self.button1setTitle:@"登入"forState:UIControlStateNormal];
self.button1.layer.borderWidth = 1;
self.button1.layer.cornerRadius = 5;
[self.button1setTitleColor:[UIColorredColor] forState:UIControlStateHighlighted];
[selfaddSubview:self.button1];
self.button2 = [UIButtonbuttonWithType:UIButtonTypeSystem];
[self.button2setFrame:CGRectMake(110,200, 80,30)];
[self.button2setTitle:@"找回密碼"forState:UIControlStateNormal];
self.button2.layer.borderWidth = 1;
self.button2.layer.cornerRadius = 5;
[selfaddSubview:self.button2];
self.button3 = [UIButtonbuttonWithType:UIButtonTypeSystem];
[self.button3setFrame:CGRectMake(200,200, 50,30)];
[self.button3setTitle:@"註冊"forState:UIControlStateNormal];
self.button3.layer.borderWidth = 1;
self.button3.layer.cornerRadius = 5;
[selfaddSubview:self.button3];
}
returnself;
}
3.製作使用者註冊頁面command ＋ n 建立一個RegistView的類
同樣第一步在RegistView.h檔案中設定全域性變數
@classLTView;
@interface RegistView :UIView
@property (nonatomic,strong)LTView *userView;
@property (nonatomic,strong)LTView *PWD;
@property (nonatomic,strong)LTView *entetPWD;
@property (nonatomic,strong)LTView *phoneNum;
@property (nonatomic,strong)LTView *email;
@property (nonatomic,strong)UIButton *button1;
@property (nonatomic,strong)UIButton *button2;
@end
RegistView.m檔案中製作登入介面的內容
- (instancetype)initWithFrame:(CGRect)frame
{
self = [superinitWithFrame:frame];
if (self) {
self.userView = [[LTViewalloc] initWithFrame:CGRectMake(50,100, 200,30)];
self.userView.laber.text = @"使用者名稱";
self.userView.textField.placeholder = @"請輸入使用者名稱";
[selfaddSubview: self.userView];
self.PWD = [[LTViewalloc] initWithFrame:CGRectMake(50,150, 200,30)];
self.PWD.laber.text = @"密碼";
self.PWD.textField.placeholder = @"請輸入密碼";
self.PWD.textField.secureTextEntry = YES;
self.PWD.textField.clearsOnBeginEditing = YES;
[selfaddSubview:self.PWD];
self.entetPWD = [[LTViewalloc] initWithFrame:CGRectMake(50,200, 200,30)];
self.entetPWD.laber.text = @"確認密碼";
self.entetPWD.textField.secureTextEntry = YES;
self.entetPWD.textField.placeholder = @"再次確認密碼";
self.entetPWD.textField.clearsOnBeginEditing = YES;
[selfaddSubview:self.entetPWD];
self.phoneNum = [[LTViewalloc] initWithFrame:CGRectMake(50,250, 200,30)];
self.phoneNum.laber.text = @"手機號";;
self.phoneNum.textField.placeholder = @"請輸入聯絡方式";
[selfaddSubview:self.phoneNum];
self.email = [[LTViewalloc] initWithFrame:CGRectMake(50,300, 200,30)];
self.email.laber.text = @"郵箱";
self.email.textField.placeholder = @"請輸入郵箱";
[selfaddSubview:self.email];
self.button1 = [UIButtonbuttonWithType:UIButtonTypeSystem];
[self.button1setFrame:CGRectMake(50,330, 90,30)];
[self.button1setTitle:@"註冊"forState:UIControlStateNormal];
self.button1.layer.borderWidth = 1;
self.button1.layer.cornerRadius = 5;
[selfaddSubview:self.button1];
self.button2 = [UIButtonbuttonWithType:UIButtonTypeSystem];
[self.button2setFrame:CGRectMake(160,330, 90,30)];
[self.button2setTitle:@"取消"forState:UIControlStateNormal];
self.button2.layer.borderWidth = 1;
self.button2.layer.cornerRadius = 5;
[selfaddSubview:self.button2];
}
returnself;
}
4.ViewController檢視控制器來實現登入介面和註冊介面的顯示，介面切換#pragma mark 懶載入 註冊頁面
- (RegistView *)registView{
if (!_registView) {
_registView = [[RegistViewalloc] init];
}
return_registView;
}
// 載入頁面;
- (void)loadView{
[superloadView];
self.loginView = [[LoginViewalloc] initWithFrame:[UIScreenmainScreen].bounds];
self.view =self.loginView;
}
// 新增按鍵功能;
- (void)viewDidLoad {
[superviewDidLoad];
[self.loginView.button3addTarget:selfaction:@selector(cancellation)forControlEvents:UIControlEventTouchUpInside];
[self.registView.button2addTarget:selfaction:@selector(back)forControlEvents:UIControlEventTouchUpInside];
}
// 註冊鍵的功能實現;
- (void)cancellation{
self.view =self.registView;
}
// 返回鍵的功能實現;
- (void)back{
self.view =self.loginView;
}
現在來執行下程式
因為我們只設置了註冊鍵的功能，點選註冊鍵，就可以進入註冊介面
再次點選取消按鍵，既可以又返回到上一個頁面