QT-GUI简单的登录界面制作(暗文密码)---by vbirds

vbirds

            默认的登入用户名为：jhz, 密码：admin

1. #mainwindow.h
   
2. 
   
3. #ifndef MAINWINDOW_H
   
4. #define MAINWINDOW_H
   
5. 
   
6. #include <QMainWindow>
   
7. #include <QMessageBox>
   
8. #include <QLineEdit>
   
9. 
   
10. namespace Ui {
    
11. class MainWindow;
    
12. }
    
13. 
    
14. class MainWindow : public QMainWindow
    
15. {
    
16.     Q_OBJECT
    
17. 
    
18. public:
    
19.     explicit MainWindow(QWidget *parent = 0);
    
20.     ~MainWindow();
    
21. 
    
22. private slots:
    
23.     void on_loginButton_clicked();
    
24. 
    
25. private:
    
26.     Ui::MainWindow *ui;
    
27. };
    
28. 
    
29. #endif // MAINWINDOW_H
    
30. 
    
31. 
    
32. #mainwindow.cpp
    
33. #include "mainwindow.h"
    
34. #include "ui_mainwindow.h"
    
35. 
    
36. MainWindow::MainWindow(QWidget *parent) :
    
37.     QMainWindow(parent),
    
38.     ui(new Ui::MainWindow)
    
39. {
    
40.     ui->setupUi(this);
    
41.     ui->passwordlineEdit->setEchoMode(QLineEdit::Password);
    
42.     QObject::connect(ui->passwordlineEdit,SIGNAL(returnPressed()),this,SLOT(on_loginButton_clicked()));
    
43. }
    
44. 
    
45. MainWindow::~MainWindow()
    
46. {
    
47.     delete ui;
    
48. }
    
49. 
    
50. void MainWindow::on_loginButton_clicked()
    
51. {
    
52. 
    
53.     if(ui->userlineEdit->text()=="jhz"&&ui->passwordlineEdit->text()=="admin")
    
54.     {
    
55.         QMessageBox::information(this,"Login","Login Successd");
    
56.     }
    
57.     else
    
58.     {
    
59.         QMessageBox::information(this,"Passwd Error","Please Input currected user or passwd");
    
60.         return;
    
61.     }
    
62. }
    

复制代码