json字串,json物件,java物件互相轉換
阿新 • • 發佈:2019-01-11
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);