去掉 Ctrl ＋ A 全选

 import java.awt.*;

 import java.awt.event.*;

 import javax.swing.*;

 import javax.swing.table.*;

 public class Table {

     public static void main(final String[] args) {

         java.awt.EventQueue.invokeLater(new Runnable(){

                 public void run(){

                     DefaultTableModel model = new DefaultTableModel(5,10){

                             public Object getValueAt(int r,int c){

                                 return Integer.valueOf(r*c);

                             }

                             public boolean isCellEditable(int r,int c){

                                 return false;

                             }

                         };

                     JTable table = new JTable(model);

                     final InputMap im = new ComponentInputMap(table);

                     final ActionMap am = new ActionMap();

                     im.put(KeyStroke.getKeyStroke("ctrl a"),"donothing");

                     am.put("donothing",null);

                     table.setInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW,im);

                     table.setActionMap(am);

                     JFrame frame = new JFrame("Table");

                     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                     frame.getContentPane().add(new JScrollPane(table));

                     frame.pack();

                     frame.setLocationRelativeTo(null);

                     frame.setVisible(true);

                 }

             });

     }

 }