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我有一個JSONObject與數據結構如下我如何遍歷一個機器人JSONArray witin一個JSONObject
[{"distance":"200 meters","location_id":"519"},{"distance":"300 meters","location_id":"219"}]
和我試圖遍歷該對象內的每個陣列,我有以下代碼,其中locationArray是有效的JSONObject
for (int j = 0; j < locationArray.length(); j++) {
JSONObject j_obj;
j_obj = locationArray.getJSONArray(j); //error here
location_id = j_obj.getString("location_id");
}
但我收到一個錯誤,試圖找到每個具有整數的locationArray的子數組。