[英]String cannot be converted to JSONObject in Android
我正在实施 JSONParsing,但它得到 org.json.JSONException 的 JSONException: Value true at Status of type java.lang.String cannot be convert to JSONObject.Thanks in advanced。
这是我的 Json 字符串
{"Upd_Post_ActivityResult":{"ResponseItem":"103_20150900021028","Status":"true"}}
这是JSON解析
if (result != null) {
try
{
JSONObject jsonObj = new JSONObject(result);
String jsonResult = jsonObj.toString().trim();
Log.e("jsonResult ", " = " + jsonResult);
JSONObject json_Upd_Post_ActivityResult = jsonObj.getJSONObject("Upd_Post_ActivityResult");
Log.e("getAllActivity_List ", " = " + json_Upd_Post_ActivityResult.toString());
JSONObject jobj1 = json_Upd_Post_ActivityResult.getJSONObject("Status");
String strStatusObj = jobj1.toString();
Log.e("strStatusObj "," = " + strStatusObj);
if(strStatusObj.equals("true"))
{
Log.e("StartMark Url Uploaded ", "Succesfully !!!!!");
Log.e("Status ", "True");
int imagesArray = imgItemArray.size();
Log.e("imagesArray "," = "+imagesArray);
}
else
{
Log.e("Status ","False");
}
}
catch (JSONException je)
{
je.printStackTrace();
}
}
这是日志错误
09-18 06:41:02.543 20427-20490/? W/System.err﹕ org.json.JSONException: Value true at Status of type java.lang.String cannot be converted to JSONObject
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at org.json.JSON.typeMismatch(JSON.java:100)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at org.json.JSONObject.getJSONObject(JSONObject.java:613)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at com.example.tazeen.classnkk.AddPost$7$1.doInBackground(AddPost.java:320)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at com.example.tazeen.classnkk.AddPost$7$1.doInBackground(AddPost.java:286)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at android.os.AsyncTask$2.call(AsyncTask.java:288)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at java.util.concurrent.FutureTask.run(FutureTask.java:237)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
09-18 06:41:02.543 20427-20490/? W/System.err﹕ at java.lang.Thread.run(Thread.java:818)
尝试以下方法:
JSONObject jobj1 = json_Upd_Post_ActivityResult.getJSONObject("Status");
String strStatusObj = jobj1.toString();
状态不是 JSONObject。 因此,要使用 getJSONObject("Status") ,您必须使用String strStatusObj = json_Upd_Post_ActivityResult.getString("Status")
;
我对您的代码做了一些更改,请检查...
尝试 { JSONObject jsonObj = 新 JSONObject(result); 字符串 jsonResult = jsonObj.toString().trim(); Log.e("jsonResult ", " = " + jsonResult);
JSONObject json_Upd_Post_ActivityResult = jsonObj.getJSONObject("Upd_Post_ActivityResult");
Log.e("getAllActivity_List ", " = " + json_Upd_Post_ActivityResult.toString());
String strStatusObj = json_Upd_Post_ActivityResult.getString("Status");
Log.e("strStatusObj "," = " + strStatusObj);
if(strStatusObj.equals("true"))
{
Log.e("StartMark Url Uploaded ", "Succesfully !!!!!");
Log.e("Status ", "True");
int imagesArray = imgItemArray.size();
Log.e("imagesArray "," = "+imagesArray);
}
else
{
Log.e("Status ","False");
}
}
catch (JSONException je)
{
je.printStackTrace();
}
}
改变这个
JSONObject jobj1 = json_Upd_Post_ActivityResult.getJSONObject("Status");
到
String strStatusObj = json_Upd_Post_ActivityResult.getString("Status");
请使用下面的,让我知道它是否有效
String str=json_Upd_Post_ActivityResult.getString("Status");
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