keytestdemo.java~8~

来自「自己在学习过程中写的」· JAVA~8~ 代码 · 共 57 行

package keytest;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */


public class Keytestdemo extends Applet implements KeyListener{

    int Keycode;
    char Keychar;
    public void init(){

    addKeyListener(this);
    }
    public void paint(Graphics g){
        if (Keycode >= KeyEvent.VK_1 && Keycode <= KeyEvent.VK_9) {
         setFont(new Font("varil",Font.BOLD,Keycode-39));
            g.drawString("code  press  :", 20, 10);
            g.drawString("code   :" + Keycode, 20, 30);
            g.drawString("char   :" + Keychar, 20, 50);
        }
    }

    public void keyTyped(KeyEvent e) {

        Keycode = e.getKeyCode();
        Keychar = e.getKeyChar();

      // System.out.println("keycode :", Keycode, "kechar  :", Keychar);
      repaint();
        }

    public void keyPressed(KeyEvent e) {
        Keycode = e.getKeyCode();
        Keychar = e.getKeyChar();
    }

    public void keyReleased(KeyEvent e) {

    }

}