public ActionForward td_delete( ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { PrintWriter out = response.getWriter(); Response res = new Response(); try { String id = request.getParameter("id"); service.td_delete(id); res.setSuccess(true); } catch (Exception e) { res.setSuccess(false); e.printStackTrace(); Logger.getRootLogger().error(e.getMessage()); } finally { out.println(JSONObject.fromObject(res).toString()); out.close(); } return null; }