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標題: [原創] Spot(點) And ClickMe(點我) [打印本頁]
作者: 天晴    時間: 2005-10-16 11:49 PM     標題: [原創] Spot(點) And ClickMe(點我)

演示: http://www.eyny.com/java/demo/ClickMe/ClickMe.html

Source Code

Spot.java
  1. public class Spot {
  2.     public int size;
  3.     public int x, y;

  5.     public Spot(int intSize) {
  6.         size = intSize;
  7.         x = -1;
  8.         y = -1;
  9.     }
  10. }
複製代碼


ClickMe.java
  1. import java.applet.Applet;
  2. import java.awt.*;
  3. import java.awt.event.*;

  5. public class ClickMe extends Applet implements MouseListener {
  6.     private Spot spot = null;
  7.     private static final int RADIUS = 7;

  9.     public void init() {
  10. addMouseListener(this);
  11.     }

  13.     public void paint(Graphics g) {
  14. //draw a black border and a white background
  15.         g.setColor(Color.white);
  16. g.fillRect(0, 0, getSize().width - 1, getSize().height - 1);
  17.         g.setColor(Color.black);
  18. g.drawRect(0, 0, getSize().width - 1, getSize().height - 1);

  20. //draw the spot
  21.         g.setColor(Color.red);
  22. if (spot != null) {
  23.      g.fillOval(spot.x - RADIUS, spot.y - RADIUS, RADIUS * 2, RADIUS * 2);
  24.         }
  25.     }
  26.     public void mousePressed(MouseEvent event) {
  27.         if (spot == null) {
  28.             spot = new Spot(RADIUS);
  29.         }
  30. spot.x = event.getX();
  31. spot.y = event.getY();
  32. repaint();
  33.     }
  34.     public void mouseClicked(MouseEvent event) {}
  35.     public void mouseReleased(MouseEvent event) {}
  36.     public void mouseEntered(MouseEvent event) {}
  37.     public void mouseExited(MouseEvent event) {}
  38. }
複製代碼
作者: 天晴    時間: 2005-10-16 11:52 PM

Source Code
作者: 素娜    時間: 2005-10-17 12:24 AM

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作者: 天晴    時間: 2005-10-17 12:24 AM

Originally posted by 素娜 at 2005-10-17 12:24 AM:
How to make .java to .class ?


使用Compiler!



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