import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class UserLoginRegister extends JFrame implements ActionListener {
private JLabel userLabel, passwordLabel;
private JTextField userTextField;
private JPasswordField passwordField;
private JButton loginButton, registerButton;
public UserLoginRegister() {
setTitle("用户登录注册");
userLabel = new JLabel("用户名:");
passwordLabel = new JLabel("密码:");
userTextField = new JTextField();
passwordField = new JPasswordField();
loginButton = new JButton("登录");
registerButton = new JButton("注册");
setLayout(new GridLayout(3, 2));
add(userLabel);
add(userTextField);
add(passwordLabel);
add(passwordField);
add(loginButton);
add(registerButton);
setSize(300, 150);
setLocationRelativeTo(null);
loginButton.addActionListener(this);
registerButton.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == loginButton) {
String username = userTextField.getText();
String password = new String(passwordField.getPassword());
System.out.println("用户名:" + username + ",密码:" + password);
} else if (e.getSource() == registerButton) {
JOptionPane.showMessageDialog(this, "请输入用户名和密码进行注册。");
} else {
System.out.println("未知操作");
}
}
public static void main(String[] args) {
UserLoginRegister app = new UserLoginRegister();
app.setVisible(true);
}
}