81,122
社区成员




Query query = session.createQuery("from Users");
List usersList = (ArrayList)query.list();
//session.merge(usersList);
System.out.println(usersList.size()); //这里实体类获取成功
Gson gson = new Gson();
String jSonStr = gson.toJson(usersList); /这里报错!
System.out.print(jSonStr);