@RequestMapping("saveAdvice") public void saveAdvice( Advice advice, Long userid, HttpServletResponse request, HttpServletResponse response) throws IOException { PrintWriter out = response.getWriter(); try { User user = mpts.getuserid(userid); advice.setUser(user); mpts.saveadvice(advice); out.write("1"); } catch (Exception e) { out.write("-1"); e.printStackTrace(); } finally { out.close(); } }