json前台写数据
@RequestMapping("/addUserJson") public void addUserJson(User user,HttpServletRequest request, HttpServletResponse response){ String result = "{"userName":" "+ user.getUserName()+" ", "age":" "+ user.getAge()+" "}"; PrintWriter out = null; response.setContentType("application/json"); try { out=response.getWriter(); out.write(result); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }