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这是我的数组[0]，json和我一样有数组[1]，数组[3]。他们已经将url直接指向json没有指定oblect的数组，或者没有给出键值。如何通过以下方式访问数据是我的java代码。
class JSONAsyncTask extends AsyncTask<String, Void, Boolean> {
ProgressDialog dialog;
@Override
protected void onPreExecute() {
super.onPreExecute();
dialog = new ProgressDialog(Properties.this);
dialog.setMessage("Loading, please wait");
dialog.setTitle("Connecting server");
dialog.show();
dialog.setCancelable(false);
}
@Override
protected Boolean doInBackground(String... urls) {
try {
//------------------>>
HttpGet httppost = new HttpGet(urls[0]);
HttpClient httpclient = new DefaultHttpClient();
HttpResponse response = httpclient.execute(httppost);
// StatusLine stat = response.getStatusLine();
int status = response.getStatusLine().getStatusCode();
if (status == 200) {
HttpEntity entity = response.getEntity();
String data = EntityUtils.toString(entity);
JSONObject jsono = new JSONObject(data);
JSONArray jarray = jsono.getJSONArray("i");
//int length = jarray.length();
//System.out.println("length" + length);
for (int i = 0; i < jarray.length(); i++) {
JSONObject object = jarray.getJSONObject(i);
Properties_Property actor = new Properties_Property();
JSONObject author = object.getJSONObject("author");
String authorName = author.getString("name");
actor.setTitle(object.getString("name"));
//actor.getTitle(object.getString("_wp_trash_meta_status"));
/** actor.setHeight(object.getString("height"));
actor.setDob(object.getString("dob"));
actor.setCountry(object.getString("country"));
actor.setName(object.getString("image"));**/
propertyList.add(actor);
}
return true;
}
//------------------>>
} catch (ParseException e1) {
e1.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (JSONException e) {
e.printStackTrace();
}
return false;
}
protected void onPostExecute(Boolean result) {
dialog.cancel();
adapter.notifyDataSetChanged();
if(result == false)
Toast.makeText(getApplicationContext(), "Unable to fetch data from server", Toast.LENGTH_LONG).show();
}
答案 0 :(得分：3)
您的JSON数据似乎是json数组格式。所以 改变
JSONObject jsono = new JSONObject(data);
JSONArray jarray = jsono.getJSONArray("i");
到
JSONArray jarray = new JSONArray(data);