Question

我想将JSON结果放在textviews中，但由于多个数组，我只能获得datetime，location和status对象的一个键/值。 json对象是：

{  
   "signature":"testSignature",
   "deliverydate":"2015-08-06 15:07:00",
   "datetime":{  
      "0":1438848420,
      "1":1438841820,
      "2":1438838760,
   },
   "location":{  
      "0":"PA",
      "1":"PA",
      "2":"PA",
   },
   "status":{  
      "0":"packed",
      "1":"On the go",
      "2":"delivered",
   },
   "pickupdate":2015-08-04 07:55:00
}

这是我的java代码：

try {

    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("NO", NUMBER_TO_POST));

    JSONObject json = jsonParser.makeHttpRequest(URL_TO_POST, "POST", params);

    success = json.getString(TAG_SIGNATURE);
    if (success != null) {
        SIGNATURE = json.getString(TAG_SIGNATURE);
        DELIVERY_DATE = json.getString(TAG_DELIVERY_DATE);

        JSONObject DT = json.getJSONObject(TAG_DATETIME);
        DATETIME = DT.getString("0");

        JSONObject LOC = json.getJSONObject(TAG_LOCATION);
        LOCATION = LOC.getString("0");

        JSONObject STAT = json.getJSONObject(TAG_STATUS);
        STATUS = STAT.getString("0");

        PICKUP_DATE = json.getString(TAG_PICKUP_DATE);

    }else{
        finish();

    }
} catch (JSONException e) {
    e.printStackTrace();
}

任何人都可以帮我解决这个问题吗？感谢

Answer 1

您应该使用GSON库来解析JSON。

为了更有帮助，以下是保存JSON值的类如下所示：

class MyClassForGsonToHoldParseJSON {  
    String signature;
    String deliverydate;
    Map<String, long> datetime;
    Map<String, String> location;
    Map<String, String> status;
    String pickupdate;
}

然后使用这样的东西将带有JSON数据的变量json转换为对象：

Gson gson = new Gson();
MyClassForGsonToHoldParseJSON f = gson.fromJson(json, MyClassForGsonToHoldParseJSON.class);

Answer 2

您的JSON格式错误：

{
    "signature": "testSignature",
    "deliverydate": "2015-08-06 15:07:00",
    "datetime": {
        "0": 1438848420,
        "1": 1438841820,
        "2": 1438838760
    },
    "location": {
        "0": "PA",
        "1": "PA",
        "2": "PA"
    },
    "status": {
        "0": "packed",
        "1": "On the go",
        "2": "delivered"
    },
    "pickupdate": " 2015-08-04 07:55:00"
}

如何用android中的多个键解析json对象

2 个答案: