linux qt 登入界面

sudo apt-get update
sudo apt-get install qt5-default

#include <QApplication>
#include <QWidget>
#include <QLineEdit>
#include <QPushButton>
#include <QLabel>

class LoginWindow : public QWidget {
    Q_OBJECT
public:
    LoginWindow(QWidget *parent = nullptr) : QWidget(parent) {
        usernameEdit = new QLineEdit(this);
        passwordEdit = new QLineEdit(this);
        passwordEdit->setEchoMode(QLineEdit::Password);
        loginButton = new QPushButton("Login", this);

        connect(loginButton, &QPushButton::clicked, this, &LoginWindow::login);

        // Layout setup
        // ...
    }

private slots:
    void login() {
        QString username = usernameEdit->text();
        QString password = passwordEdit->text();
        // Add authentication logic here
    }

private:
    QLineEdit *usernameEdit;
    QLineEdit *passwordEdit;
    QPushButton *loginButton;
};

int main(int argc, char *argv[]) {
    QApplication app(argc, argv);
    LoginWindow window;
    window.show();
    return app.exec();
}

#include "main.moc"