Java---彩票双色球原始模型实现 

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Random;
import java.util.Set;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class doublecoloueballservlet extends HttpServlet
{

    
    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
        Set<Integer> set = new HashSet<Integer>();
        Random random = new Random();
        while(set.size()!=6)
        {
            int randomvalue = random.nextInt(33)+1;
            set.add(randomvalue);
        }
        int randomvalue = random.nextInt(16)+1;
        String result = "read ball:";
        
        for(Integer i : set)
        {
            result+= i + "";
        }
        result+="<br>blue ball:"+randomvalue;
        
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("<html><head><title>result</title></head>");
        out.println("<body>" +result+"</body></html>");
        out.flush();
        
    }

    
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {

        
    }

}
posted @ 2011-06-09 21:32  brainmao  阅读(1255)  评论(0)  编辑  收藏  举报