@RequestMapping("/self/save") public String save(Model model, HttpServletRequest request, HttpServletResponse response) throws Exception { Integer userId = Integer.parseInt(request.getParameter("userId")); User user = userMng.findById(userId); String mobile = request.getParameter("mobile"); String qq = request.getParameter("qq"); String intro = request.getParameter("intro"); String cid = request.getParameter("cityId"); if (StringUtils.isBlank(cid) && !cid.equals("")) { Integer cityId = Integer.parseInt(cid); user.setCityId(cityId); } user.setMobile(mobile); user.setQq(qq); user.setIntro(intro); userMng.saveOrUpdate(user); return "redirect:/self"; }