利用servlet动态生成wap页面

    public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException {           PrintWriter out = null;
            try{
                 res.setContentType("text/vnd.wap.wml;charset=UTF-8");
                 out = res.getWriter();
                // out.print("<?xml version=\"1.0\"  encoding=\"UTF-8\"?>");
                // out.print("<!DOCTYPE wml PUBLIC \"-//WAPFORUM//DTD WML 1.1//EN\" \"