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package math;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
/**
* »ù±¾µÄ»æÍ¼´°¿Ú£¬»Ø³µ¹Ø±Õ´°¿Ú
*/
@SuppressWarnings("serial")
public class GraphicTest extends Frame implements KeyListener {
/**
* °´¼ü¼ì²â
*/
public void keyPressed(KeyEvent e) {
switch (e.getKeyCode()) {
case 10:
System.out.println("I am enter");
System.exit(0);
break;
case 37: // ×ó
break;
case 38: // ÉÏ
break;
case 39: // ÓÒ
break;
case 40: // ÏÂ
break;
}
this.repaint();
}
public void keyTyped(KeyEvent e) {
}
public void keyReleased(KeyEvent e) {
}
public GraphicTest() {
super("Frame-By-Lazybone");
setSize(1000, 800);
this.addKeyListener(this);
this.setVisible(true);
}
int width = 25;
int startX = 50;
int startY = 50;
int count = 25;
/** »æÖÆ·½·¨ **/
public void paint(Graphics g) {
g.setColor(Color.black);
/** »­ÆåÅÌ **/
for (int i = 1; i < count + 1; i++) {
g.drawLine(startX + i * width, width + startX, startX + i * width,
count * width + startY);
}
for (int i = 1; i < count + 1; i++) {
g.drawLine(startX + width, i * width + startY, count * width
+ startX, i * width + startY);
}
}
public static void main(String[] args) {
new GraphicTest();
}
}


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