jquery 前端 跨域 jsonp

 /** ????* 获取用户信息 ????*/ ???@ResponseBody ???@RequestMapping(value = "/user/getuserInfo", method = RequestMethod.POST,produces = "application/json;charset=UTF-8") ???public String getUserInfo(@RequestParam Map<String, Object> paramMap, HttpServletRequest request ???, HttpServletResponse response) { ??????// response.addHeader("Access-Control-Allow-origin","localhost"); ???????response.addHeader("Access-Control-Allow-Credentials","true"); ???????response.addHeader("Access-Control-Allow-Methods","POST,GET,OPTIONS,PUT,DELETE"); ???????response.addHeader("Access-Control-Allow-Headers","cache-control,content-type,hash-referer,x-requested-with"); ???????log.info("get the /user/getInfo request data : " + paramMap.get("userId").toString()); ???????JsonResultEx result = new JsonResultEx(); ???????String username = paramMap.get("userId").toString();}