getnumber.java

可以让初学者有一个感性的认识

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

public class GetNumber 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");
		out.print("A number between 1 and 100 to you,guess it!");
		HttpSession session=request.getSession(true);
		session.setAttribute("count",new Integer(0));
		int number=(int)(Math.random()*100)+1;
		session.setAttribute("save",new Integer(number));
		out.print("<FORM action=Result method=post name=form>");
		out.print("<INPUT type=text name=boy>");
		out.print("<INPUT type=submit value=Enter>");
		out.print("</FORM>");
	}

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

}