找到已调用弹出菜单的JTable行

table.addMouseListener(new MouseAdapter() {
    public void mouseReleased(MouseEvent e) {
        if (e.isPopupTrigger()) {
            int row = table.rowAtPoint(e.getPoint());
            int column = table.columnAtPoint(e.getPoint());
            if (!table.isRowSelected(row))
                table.changeSelection(row, column, false, false);
            showPopupMenu(e.getComponent(), e.getX(), e.getY());
        }
    }
});

private void showPopupMenu(Component component, int x, int y) {
    JPopupMenu popupMenu = new JPopupMenu();
    // 添加菜单项
    JMenuItem menuItem1 = new JMenuItem("菜单项1");
    JMenuItem menuItem2 = new JMenuItem("菜单项2");
    // 添加点击事件监听器
    menuItem1.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            // 处理菜单项1的逻辑
        }
    });
    menuItem2.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            // 处理菜单项2的逻辑
        }
    });
    popupMenu.add(menuItem1);
    popupMenu.add(menuItem2);
    // 显示弹出菜单
    popupMenu.show(component, x, y);
}