🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: cn.bbs.comp.lang.java
Article #18863

���ҿ���

#18863
From: ��
Date: Wed, 21 Jan 2004 07:05
49 lines
1881 bytes
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
public class Canvas extends Applet implements MouseListener{
    graphicsCanvas gc;
    Button button1;
    public void init()
    {
        gc=new graphicsCanvas();
        gc.setSize(100,100);
        add(gc);
        addMouseListener(this);
    }
    public void mouseClicked(MouseEvent e)
    {
        for(int loop_index=0;loop_index<150;loop_index++)
        {
            gc.setLocation(loop_index,0);
        }
    }
    public void mousePressed(MouseEvent e)
    {
        
    }
    public void mouseReleased(MouseEvent e)
    {
        
    }
    public void mouseEntered(MouseEvent e)
    {
        
    }
    public void mouseExited(MouseEvent e)
    {
        
    }
}
class graphicsCanvas extends java.awt.Canvas
{                            ~~~~~~~~~~~~~~~~~���ij�Canvas��û��Ч����,why? 
    public void paint(Graphics q)
    {
        q.drawOval(10,50,40,40);
        q.drawLine(10,50,50,90);
        q.drawLine(50,50,10,90);
    }
}
--

�� ��Դ:��Ʈ��ˮ�Ƽ� freecity.cnzju.net��[FROM: Shinjia]
Technical Details
Message-ID: <4ALK2c$AyT@freecity.cnzju.net>
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!c03.atl99!sjc70.webusenet.com!news.webusenet.com!news.bylinux.net!news.ccie.net.cn!Freecity

Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,GB
X-Google-Thread: f6cb0,e9987f4683b2dfdd,start
X-Google-Attributes: gidf6cb0,public
X-Google-ArrivalTime: 2004-01-20 23:07:52 PST
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!c03.atl99!sjc70.webusenet.com!news.webusenet.com!news.bylinux.net!news.ccie.net.cn!Freecity
From: Shinjia.bbs@freecity.cnzju.net (��)
Newsgroups: cn.bbs.comp.lang.java
Subject: ���ҿ���
Date: 21 Jan 2004 07:05:21 GMT
Organization: Ʈ��ˮ�Ƽ�
Message-ID: <4ALK2c$AyT@freecity.cnzju.net>
Mime-Version: 1.0
Content-Type: text/plain; charset="gb2312"
Content-Transfer-Encoding: 8bit
X-Filename: Java/M.1074668678.A
Lines: 49