JSON对象的Java表示

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我正在尝试反序列化以下字符串,对于Java来说我是新手,我无法在我的一生中使用它…我现在仅尝试在对象中解码两个字符串.我的JSON和Java类如下.我得到的结果变量确定.

{
   "result": "true",
   "recentlyMarkedTerritories": {
      "0": {
         "pk_activity": "471",
         "fk_activity_type": "100",
         "activity_content": "Hhhhh",
         "fk_user": "2",
         "activity_image": "2_QZe73f4t8s3R1317230457.jpg",
         "created": "1317244857",
         "activity_status": "1",
         "activity_location_lat": "43.515283",
         "activity_location_lon": "-79.880678",
         "fk_walk": null,
         "fk_event_location": "73",
         "user_point": "0",
         "public_image": "0",
         "fk_event_location_lat": "43.515273",
         "fk_event_location_lon": "-79.879989",
         "profile_image": "2_y9JlkI3CZDml1312492743.jpg",
         "user_gender": "1",
         "user_dob": "236073600",
         "user_nickname": "junoman",
         "isFriend": "false",
         "profile_image_thumb": "2_y9JlkI3CZDml1312492743_t.jpg",
         "activity_image_thumb": "2_QZe73f4t8s3R1317230457_t.jpg",
         "relationship_status_idx": "2",
         "isBlocked": "false"
      },
      "1": {
         "pk_activity": "469",
         "fk_activity_type": "100",
         "activity_content": "Jsjsjs",
         "fk_user": "1",
         "activity_image": null,
         "created": "1317244508",
         "activity_status": "1",
         "activity_location_lat": "43.515283",
         "activity_location_lon": "-79.880678",
         "fk_walk": null,
         "fk_event_location": "73",
         "user_point": "0",
         "public_image": "0",
         "fk_event_location_lat": "43.515273",
         "fk_event_location_lon": "-79.879989",
         "profile_image": "1_4Cpkofueqnrb1316895161.jpg",
         "user_gender": "1",
         "user_dob": "116841600",
         "user_nickname": "JoePennington",
         "isFriend": "false",
         "profile_image_thumb": "1_4Cpkofueqnrb1316895161_t.jpg",
         "activity_image_thumb": null,
         "relationship_status_idx": "1",
         "isBlocked": "false"
      },
      .....
   }
}

还有我下面的java类

RecentActivity infoList = null;
Gson gson = new Gson();
infoList = gson.fromJson(JSONString, RecentActivity.class);

public class RecentActivity {
    String result;
    recentlyMarkedTerritories recentlyMarkedTerritories = null;

    public RecentActivity() {

    }

    public class recentlyMarkedTerritories {
        public Set<recentlyMarkedTerritories> pk_activity = new HashSet<recentlyMarkedTerritories>() ;

        public recentlyMarkedTerritories() {    }
    }
}

请原谅我缺乏描述,但我确信代码会有所帮助. JSON已在其他应用程序中使用,因此不可更改.

谢谢！

解决方法:

这是一些不错的JSON教程,可以帮助您.

GSON

JSON

JSON Example with source code

更新

这样尝试

 try {
            JSONObject object = new JSONObject(jsonString);
            JSONObject myObject = object.getJSONObject("recentlyMarkedTerritories");

            for (int i = 0; i < object.length(); i++) {
                JSONObject myObject2 = myObject.getJSONObject(Integer.toString(i));
                System.out.println(myObject2.toString(2));  
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

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