package 键盘事件;

public class Main {

  public static void main(String[] args) {
    // TODO Auto-generated method stub
    KeyEvent1 win=new KeyEvent1();
    win.setTitle("键盘事件");
  }

}


package 键盘事件;
import java.awt.event.*;
import javax.swing.*;
import java.awt.*;
public class KeyEvent1 extends JFrame implements KeyListener{
  JTextArea textInput,textShow;
  KeyEvent1(){
    setLayout(new FlowLayout());
    init();
    setBounds(10,10,446,236);
    setVisible(true);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
  void init()
  {
    textInput=new JTextArea(10,15);
    textShow=new JTextArea(10,15);
    add(new JScrollPane(textInput));
    add(new JScrollPane(textShow));
    textInput.addKeyListener(this);
  }
  public void keyPressed(KeyEvent e){
    textShow.append(KeyEvent.getKeyText(e.getKeyCode())+"\n");
  }
  public void keyTyped(KeyEvent e){
    
  }
  public void keyReleased(KeyEvent e){
    
  }

}

java 键盘事件_java