picpanel.java

用java 编的Lucky52 游戏 没有提供图片 要运行请自己准备

import java.awt.*;
import java.net.*;
import java.util.*;

class PicPanel extends Panel {
	private final int ALL_PICTURE_NUM = 12;
	private int pictureNum;
	private String [] fileName = new String[12];
	Image m_img;
	
	public void initImg() {
		for(int i = 0; i < 12; i ++ ){
			fileName[i] = "mm"+i+".jpg";	
		}
		pictureNum = pictureNumber();
		URL url = null;
		try{
			url = Class.forName("Lucky52").getResource(fileName[pictureNum]);//随机装载图片 	
		}	catch(Exception e){}
		
		m_img = getToolkit().getImage(url);
		MediaTracker mtracker = new MediaTracker(this);
		mtracker.addImage(m_img,1);
		try{
			mtracker.wait();
			mtracker.checkAll();	
		}catch(Exception e){}
	}
	
	public int pictureNumber() {
		Random random = new Random();
		return random.nextInt (ALL_PICTURE_NUM);
	}
	
	public int getPictureNumber(){
		return pictureNum;	
	}
	
	public void paint(Graphics g){
		g.drawImage(m_img,100,0,300,500,this);
	
	}
}