Swing:当按下ESC键时如何关闭对话框？

import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

public class SwingDemo {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> createAndShowGUI());
    }

    private static void createAndShowGUI() {
        JFrame frame = new JFrame("ESC键关闭对话框示例");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(300, 200);

        JButton button = new JButton("打开对话框");
        button.addActionListener(e -> {
            JDialog dialog = new JDialog(frame, "对话框", true);
            dialog.setSize(200, 100);
            dialog.setLocationRelativeTo(null);

            dialog.addKeyListener(new KeyAdapter() {
                @Override
                public void keyPressed(KeyEvent e) {
                    if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
                        dialog.dispose();
                    }
                }
            });

            dialog.setVisible(true);
        });

        frame.getContentPane().add(button);
        frame.setVisible(true);
    }
}