Java中如何配置允许跨域请求？

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javapublic Map handleUserQuery(HttpServletRequest request, HttpServletResponse response) throws SQLException { Map result=this.userService.queryUsers(request);}

@ResponseBody @RequestMapping(value="/queryUserAjax", method={RequestMethod.GET,RequestMethod.POST}) public Map queryUserAjax(HttpServletRequest request, HttpServletResponse response) throws SQLException { Map list = this.userService.queryUser(); System.out.println(request); // response.setHeader("Access-Control-Allow-Origin", "192.168.100.23:8020"); response.setHeader("Access-Control-Allow-Origin", "*"); response.setHeader("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS"); response.setHeader("Access-Control-Max-Age", "3600"); response.addHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept"); return list; }