cookie

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

        response.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");
        
        PrintWriter out = response.getWriter();
        out.print("您上次访问时间是:");
        
        //获得用户的时间cookie
        Cookie cookie[] = request.getCookies();
        for(int i=0;cookie!=null &&i<cookie.length;i++)
        {
            if(cookie[i].getName().equals("lastAccessTime"))
            {
               long cookieValue  = Long.parseLong(cookie[i].getValue());
               Date date =new Date(cookieValue);
               out.print(date.toLocaleString());
            }
        }            
            
        //给用户回送最新的访问时间
        Cookie cookie2 =new Cookie("lastAccessTime",System.currentTimeMillis()+"");
        cookie2.setMaxAge(1*30*24*3600);
        cookie2.setPath("/D716");        
        response.addCookie(cookie2);            
    }