怎样实现助记符功能
我想实现记事本里的快捷键功能import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
public class jishiben extends JFrame {
JMenuBar jb1;
JMenu j1,j2,j3,j4,j5;
JMenuItem ji1,ji2,ji3,ji4,ji5,ji6,ji7;
JMenuItem j21,j22,j23,j24,j25,j26,j27,j28,j29,j210,j211;
JMenuItem j31,j32;
JMenuItem j41;
JMenuItem j51,j52;
public static void main(String[] args) {
// TODO Auto-generated method stub
new jishiben();
}
public jishiben()
{
jb1=new JMenuBar();
j1=new JMenu("文件(F)");
j2=new JMenu("编辑(E)");
j3=new JMenu("格式(O)");
j4=new JMenu("查看(v)");
j5=new JMenu("帮助(H)");
ji1=new JMenuItem("新建(N) Ctrl+N");
ji2=new JMenuItem("打开(O)... Ctrl+O");
ji3=new JMenuItem("保存(S) Ctrl+S");
ji4=new JMenuItem("另存为...");
ji5=new JMenuItem("页面设置(U)... ");
ji6=new JMenuItem("打印(P)...Ctrl+P");
ji7=new JMenuItem("退出(X)");
j21=new JMenuItem("撤消(U) Ctrl+U");
j22=new JMenuItem("剪切(T) Ctrl+X");
j23=new JMenuItem("复制(C) Ctrl+C");
j24=new JMenuItem("粘贴(P) Ctrl+V");
j25=new JMenuItem("删除(L) Del");
j26=new JMenuItem("查找(F)... Ctrl+F");
j27=new JMenuItem("查找下一个(N) F3");
j28=new JMenuItem("替换(R) Ctrl+H");
j29=new JMenuItem("转到(G) Ctrl+G");
j210=new JMenuItem("全选(A) Ctrl+A");
j211=new JMenuItem("时间/日期(D) F5");
j31=new JMenuItem("自动换行(默认) Ctrl+W");
j32=new JMenuItem("字体(F)...");
j41=new JMenuItem("状态栏(S)");
j51=new JMenuItem("查看帮助(H)");
j52=new JMenuItem("关于记事本(A)");
/* j1.setMnemonic('F');
j2.setMnemonic('F');
j3.setMnemonic('F');
j4.setMnemonic('F');
j5.setMnemonic('F');
ji1.setMnemonic('F');
ji2.setMnemonic('F');
ji3.setMnemonic('F');
ji4.setMnemonic('F');
ji5.setMnemonic('F');
ji6.setMnemonic('F');
ji7.setMnemonic('F');
j21.setMnemonic('F');
j22.setMnemonic('F');
j23.setMnemonic('F');
j24.setMnemonic('F');
j25.setMnemonic('F');
j26.setMnemonic('F');
j27.setMnemonic('F');
j28.setMnemonic('F');
j29.setMnemonic('F');
j210.setMnemonic('F');
j211.setMnemonic('F');
j31.setMnemonic('F');*/
j32.setMnemonic('F');
/* j41.setMnemonic('F');
j51.setMnemonic('F');
j52.setMnemonic('F');*/
this.setJMenuBar(jb1);
jb1.add(j1);
jb1.add(j2);
jb1.add(j3);
jb1.add(j4);
jb1.add(j5);
j1.add(ji1);j1.add(ji2);j1.add(ji3);
j1.add(ji4);
j1.addSeparator();
j1.add(ji5);
j1.add(ji6);
j1.addSeparator();
j1.add(ji7);
j2.add(j21);
j2.addSeparator();
j2.add(j22);
j2.add(j23);
j2.add(j24);
j2.add(j25);
j2.addSeparator();
j2.add(j26);
j2.add(j27);
j2.add(j28);
j2.add(j29);
j2.addSeparator();
j2.add(j210);
j2.add(j211);
j3.add(j31);
j3.add(j32);
j4.add(j41);
j5.add(j51);
j5.add(j52);
Mnemonici mmm=new Mnemonici();//先初始化动作事件类
ji7.addActionListener(mmm);//再添加事件监听器
this.addWindowListener(new mm());
this.setTitle("记事本");
this.setSize(666,555);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
class Mnemonici implements ActionListener{//创建事件类
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand().equals("退出(X)"))
System.exit(0);
}
}
}
class mm implements WindowListener
{
public void windowActivated(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowClosed(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowClosing(WindowEvent arg0) {
// TODO Auto-generated method stub
System.out.println("关闭窗口");
System.exit(0);//非0表示非正常退出程序
}
public void windowDeactivated(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowDeiconified(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowIconified(WindowEvent arg0) {
// TODO Auto-generated method stub
}
public void windowOpened(WindowEvent arg0) {
// TODO Auto-generated method stub
}
}
----------------解决方案--------------------------------------------------------
助记符到底是个什么功能呢，你说清楚点呀！
----------------解决方案--------------------------------------------------------