keytestdemo.java~13~

来自「自己在学习过程中写的」· JAVA~13~ 代码 · 共 58 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{//remember the"implements KeyListener"and  be care of big or small

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

    addKeyListener(this);//remember the  "this  "
    }
    public void paint(Graphics g){
        if (Keycode >= KeyEvent.VK_1 && Keycode <= KeyEvent.VK_9) {//do  not  forget the  type
            g.setFont(new Font("varil", Font.BOLD, Keycode-39));//do not  forget  the  type
        }
            g.drawString("code  press  :", 20, 10);//do  not  forget  the ","  and  cooldunate  (position )
            g.drawString("code   :" + Keycode, 20, 30);//do  not  forget  the ","  and  cooldunate  (position )
            g.drawString("char   :" + Keychar, 20, 50);//do  not  forget  the ","  and  cooldunate  (position )

    }

    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) {

    }

}