例7-25.java

来自「用Java和XML建立试题库管理系统,试题库管理系统的设计」· Java 代码 · 共 36 行

//example 7-25
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
public class tt extends Applet implements KeyListener
{
   String name="";
   char ch;
   int asc;
   public void init()
   {
   	 addKeyListener(this);
   	 requestFocus();
   }
   public void paint(Graphics g)
   {
   	 g.drawString("Name="+name,25,20);
   	 g.drawString("char="+ch,25,40);
   	 g.drawString("Asci="+asc,25,60);
   }
   public void keyPressed(KeyEvent e)
   {
   	 name=e.getKeyText(e.getKeyCode());
   	 repaint();
   }
   public void keyReleased(KeyEvent e)
   {
   	 asc=e.getKeyCode();
   	 repaint();
   }
   public void keyTyped(KeyEvent e)
   {
   	 ch=e.getKeyChar();
   	 repaint();
   }
}