cookie session

来源：互联网发布：淘宝众筹怎么推广编辑：程序博客网时间：2024/05/16 16:55

URL重写加上sessionId　小心cookie禁掉，session应用不能用，

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

//Session追踪

public class URLSession extends HttpServlet {
   public void doGet(HttpServletRequest request, HttpServletResponse response)
           throws ServletException, IOException {
       response.setContentType("text/html");
       PrintWriter out = response.getWriter();

       HttpSession session = request.getSession(true);

       out.println("<html><head><title>Session追踪</title></head>"
               + "<BODY>\n"
               + "session id:" + session.getId() + "<br>"
               + "from url:" + request.isRequestedSessionIdFromURL() + "<br>"
               + "from cookie:" + request.isRequestedSessionIdFromCookie() + "<br>"
               //
               + "<a href=" + request.getRequestURL().toString() + ">test</a>"
               + "<a href=" + response.encodeURL(request.getRequestURL().toString()) + ">test</a>"
               + "</BODY></HTML>");

   }

   /** Handle GET and POST requests identically. */

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