result.java

可以让初学者有一个感性的认识

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class Result extends HttpServlet
{
	public void init(ServletConfig config) throws ServletException
	{
		super.init(config);
	}


	public void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
	{
		ServletOutputStream out=response.getOutputStream();
		response.setContentType("text/html;charset=GB2312");
		HttpSession session=request.getSession(true);
		String str=request.getParameter("boy");
		if(str==null)str="0";
		int guessNumber=Integer.parseInt(str);
		Integer integer=(Integer)session.getAttribute("save");
		int realnumber=integer.intValue();
		if(guessNumber==realnumber)
		{
			int n=((Integer) session.getAttribute("count")).intValue();
			n=n+1;
			session.setAttribute("count",new Integer(n));
			response.sendRedirect("Success");
		}
		else if(guessNumber>realnumber)
		{
			int n=((Integer) session.getAttribute("count")).intValue();
			n=n+1;
			session.setAttribute("count",new Integer(n));
			response.sendRedirect("Larger");
		}
		else if(guessNumber<realnumber)
		{
		int n=((Integer) session.getAttribute("count")).intValue();
			n=n+1;
			session.setAttribute("count",new Integer(n));
			response.sendRedirect("Smaller");
		}
	}

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

}