JAVA图形用户界面登录注册

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class LoginRegisterGUI extends JFrame {
    private JTextField usernameField;
    private JPasswordField passwordField;
    private JButton loginButton;
    private JButton registerButton;

    public LoginRegisterGUI() {
        setTitle("Login/Register");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLayout(new GridLayout(3, 2));

        JLabel usernameLabel = new JLabel("Username:");
        usernameField = new JTextField();

        JLabel passwordLabel = new JLabel("Password:");
        passwordField = new JPasswordField();

        loginButton = new JButton("Login");
        registerButton = new JButton("Register");

        add(usernameLabel);
        add(usernameField);
        add(passwordLabel);
        add(passwordField);
        add(loginButton);
        add(registerButton);

        loginButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                // 登录按钮事件处理
                String username = usernameField.getText();
                String password = new String(passwordField.getPassword());
                // 在此处编写登录逻辑
            }
        });

        registerButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                // 注册按钮事件处理
                String username = usernameField.getText();
                String password = new String(passwordField.getPassword());
                // 在此处编写注册逻辑
            }
        });

        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }

    public static void main(String[] args) {
        new LoginRegisterGUI();
    }
}