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);
                }
            });
    }
}