1. 程式人生 > >json字串,json物件,java物件互相轉換

json字串,json物件,java物件互相轉換

1.把JSON字串轉換為JAVA 物件
  JSONObject jsonobject = JSONObject.fromObject(jsonStr);
  User user= (User)JSONObject.toBean(object,User.class);

2. 把java物件轉換成json物件,並轉化為字串
  JSONObject object = JSONObject.fromObject(user);
  Log4jInit.ysulogger.debug(object.toString());

3.把JSON字串轉換為JAVA 物件陣列
  JSONArray json = JSONArray.fromObject(userStr);//userStr是json字串
  List<User> users= (List<User>)JSONArray.toCollection(json, User.class);