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zzxwill
Rank: 1
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package javaDaZuoYe;
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
//ͼƬΪʲô²»ÏÔʾ£¿Ð»Ð»~~
public class PlayPic extends Applet implements ActionListener {
    //¶¨ÒåչʾͼƬµÄÊýÁ¿Îª³£Êý10
    final int num=10;
    //¶¨Ò嵱ǰͼƬµÄÐòºÅ
    int cnt;
    Button button1,button2;
    Label label;
    //¶¨ÒåÒ»¸öͼƬÊý×é
    Image[] pic;
    public void init(){
        //³õʼ»¯
        cnt=-1;
        //½«¶ÔÏópicʵÀý»¯
        pic=new Image[num];
        for(int i=0;i<num;i++) {
            pic[i]=getImage(getCodeBase(),"atp"+i+".gif");
        }
        //ÉèÖÃΪ¿Õ²¼¾Ö
        setLayout(null);
        button1=new Button("ÏòÇ°");
        button2=new Button("Ïòºó");
        label=new Label("ÎÒϲ»¶Í¼Æ¬",Label.CENTER);
        //Ìí¼Ó×é¼þ
        add(button1);
        add(button2);
        add(label);
        //É趨×é¼þµÄλÖúʹóС
        label.setBounds(0,0,180,30);
        button1.setBounds(0,240,90,30);
        button2.setBounds(90,240,90,30);
        //Ìí¼Ó°´Å¥µã»÷ʼþµÄ¼àÊÓÆ÷
        button1.addActionListener(this);
        button2.addActionListener(this);   
    }
    public void start() {
    }
    public void stop() {
    }
    public void actionPerformed(ActionEvent e) {
        if(e.getSource()==button1){
            if(cnt>=9) {
                //µ±Í¼Æ¬ÐòºÅ×î´óʱ£¬"ÏòÇ°"°´Å¥²»¿Éµã»÷
                button1.setEnabled(false);
            } else {
                //°´Å¥»Ö¸´Îª¿ÉÒÔµã»÷
                button1.setEnabled(true);
                button2.setEnabled(true);
                //ͼƬÐòºÅµÝÔö
                cnt++;
                //ÖØ»­Ð¡Ó¦ÓóÌÐò
                repaint();
            }
        } else if(e.getSource()==button2){
            if(cnt<=0) {
                //µ±Í¼Æ¬ÐòºÅ×îСʱ£¬"Ïòºó"°´Å¥²»¿Éµã»÷
                button2.setEnabled(false);
            } else {
                //°´Å¥»Ö¸´Îª¿ÉÒÔµã»÷
                button1.setEnabled(true);
                button2.setEnabled(true);
                //ͼƬÐòºÅµÝ¼õ
                cnt--;
                //ÖØ»­Ð¡Ó¦ÓóÌÐò   
                repaint();
            }   
        }
    }
    public void paint(Graphics g) {
        if((pic[cnt])!=null) {
            //½«Í¼Æ¬»­ÔÚСӦÓóÌÐòÉÏ
    g.drawImage(pic[cnt],10,100,pic[cnt].getWidth(this),pic[cnt].getHeight(this),this);
        } else {
            //½«»­±ÊÉèΪºìÉ«
            g.setColor(Color.red);
            g.drawString("Ò»»á¶ù½«Ïò´ó¼Òչʾ×îÐÂͼƬ!!!!",10,100);
        }
    }
}
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2007-12-01 22:48
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2007-12-04 10:49
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