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获取json android数据

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如何使用json获取此数据 . 它是一个对象还是一个数组？我很迷惑 . 以下是我的数据以及我实施的内容 . 我无法得到任何 Value . 请帮我拿取值 .

JSONObject jobject = new JSONObject(response);
    JSONArray jsonArray = jobject.getJSONArray("variety");
    for (int i =0; i<=jsonArray.length();i++){
        jobject=  jsonArray.getJSONObject(i);
        txt_today_671.setText(jobject.getString("variety.coc671"));
      }

     {
    "status": 200,
    "variety": {
        "coc671": {
            "today": 0,
            "todate": 0
        },
        "co92005": {
            "today": 0,
            "todate": 0
        },
     },
        "others": {
            "today": 0,
            "todate": 0
        }
    },
    "distance": {
        "0to20": {
            "today": 0,
            "todate": 0
        },
        "20to40": {
            "today": 0,
            "todate": 0
        },
    "above100": {
            "today": 0,
            "todate": 0
        }
    }
}
android json fetch

2 回答

  • 1

    这里， variety 和 distance 不是jsonArray，它是一个jsonObject .

    要遍历jsonObject，请遵循以下机制 -

    JSONObject varietyObject = jobject.getJSONObject("variety");
Iterator<JSONObject> keysVariety = varietyObject.keys();

while(keysVariety.hasNext()) {
String keyVariety = keysVariety.next();
    JSONObject objectVariety = varietyObject.getJSONObject(keyVariety);
    // here you will get inner String/int values
    int today = objectVariety.getInt("today");
    int todate = objectVariety.getInt("todate");
}

    对距离物体做同样的事情 -

    JSONObject distanceObject = jobject.getJSONObject("distance");
Iterator<JSONObject> keysDistance = distanceObject.keys();

while(keysDistance.hasNext()) {
String keyDistance = keysDistance.next();
    JSONObject objectDistance = distanceObject.getJSONObject(keyDistance);
    // here you will get inner String/int values
    int today = objectDistance.getInt("today");
    int todate = objectDistance.getInt("todate");
}

    Always remember JSONArray starts with [ and JSONObject start with {

    回复于
  • 0

    只是向您说明一点，在演示中可能会出现拼写错误，

    JSONObject jobject = new JSONObject(response); // here you are getting all your object in one object
JSONObject varityObject= jobject.getJSONObject("variety");
//NOW USE varityObject to get coc671 and  co92005
//Similarly 
JSONObject distanceObject= jobject.getJSONObject("distance");
// now use distanceObject to get its items
    回复于

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