实体转化为JsonString的路线图
object---JSONOBJETC----》jsonObject----JsonUntils---->String
response.setContentType("text/html;charset=utf-8");
String str = JSONUtils.valueToString(JSONObject.fromObject(new JsonMsg(map1.get("ARTNFLAG")+"",map1.get("MSG")+"")));
response.getWriter().write(str);
response.getWriter().flush();