Netbeans中的JTable右键单击弹出菜单

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

public class JTablePopupMenuExample {
    public static void main(String[] args) {
        JFrame frame = new JFrame("JTable Popup Menu Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(400, 200);

        String[] columnNames = {"Column 1", "Column 2", "Column 3"};
        String[][] data = {{"Row 1", "Row 1", "Row 1"},
                           {"Row 2", "Row 2", "Row 2"},
                           {"Row 3", "Row 3", "Row 3"}};

        JTable table = new JTable(data, columnNames);
        JScrollPane scrollPane = new JScrollPane(table);
        frame.getContentPane().add(scrollPane);

        JPopupMenu popupMenu = new JPopupMenu("Popup Menu");
        JMenuItem menuItem1 = new JMenuItem("Menu Item 1");
        JMenuItem menuItem2 = new JMenuItem("Menu Item 2");
        JMenuItem menuItem3 = new JMenuItem("Menu Item 3");
        popupMenu.add(menuItem1);
        popupMenu.add(menuItem2);
        popupMenu.add(menuItem3);

        table.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                showPopup(e);
            }

            public void mouseReleased(MouseEvent e) {
                showPopup(e);
            }

            private void showPopup(MouseEvent e) {
                if (e.isPopupTrigger()) {
                    popupMenu.show(e.getComponent(), e.getX(), e.getY());
                }
            }
        });

        frame.setVisible(true);
    }
}