[英]How to parse JSON using Volley?
i have some json output like this 我有一些像这样的json输出
{
"message": "success",
"battery": "AHAJAJ1DH13T0021",
"data": {
"id": 6,
"userId": 3,
"shopId": 1,
"transactionStatus": "PENDING",
"expiredAt": "2019-01-04T03:01:18.878Z",
"updatedAt": "2019-01-04T02:01:18.916Z",
"createdAt": "2019-01-04T02:01:18.916Z",
"paymentId": null,
"batteryNo": null
},
"shopData": {
"id": 1,
"name": "test1",
"tel": "555",
"address": "cikarang",
"description": "showroom",
"latitude": "-6.307923199999999",
"longitude": "107.17208499999992",
"open_time": "10.00",
"battery_available": 16,
"battery_booked": 1,
"status": 1,
"createdAt": "2018-12-28T03:59:55.156Z",
"updatedAt": "2019-01-04T02:01:18.940Z"
}
}
and i implement using volley like this 我用这样的凌空实施
StringRequest request = new StringRequest(Request.Method.POST, ApiService.ORDER_BATTERY, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try{
BookBattery bookBattery = new BookBattery();
JSONObject jsonObject = new JSONObject(response);
if (!jsonObject.has("success")) {
JSONObject object = jsonObject.getJSONObject("battery");
String data = object.getString("");
JSONArray jsonArray = jsonObject.getJSONArray("data");
} else {
Log.e("Your Array Response", "Data Null");
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e("error is ", "" + error);
}
}) {
//This is for Headers If You Needed
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
params.put("Content-Type", "application/json; charset=UTF-8");
params.put("token", TokenUser);
return params;
}
//Pass Your Parameters here
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("shopId", String.valueOf(shopId));
//params.put("Pass", PassWord);
return params;
}
};
AppController.getInstance().addToRequestQueue(request, tag_json_obj);
but not working, please help thanks a lot 但没有用,请多多帮助
You are not getting JSONArray
anywhere, your response object has multiple JSONObject
您没有在任何地方获取
JSONArray
,您的响应对象具有多个JSONObject
JSONObject jsonObject = new JSONObject(response);
if (!jsonObject.has("success")) {
JSONObject object = jsonObject.getJSONObject("battery");
JSONOnject jsonObject2= jsonObject .getJSONObject("data");// here you need to change.
String batteryNo=jsonObject2.getJSONObject("batteryNo");
JSONOnject jsonObject3= jsonObject1.getJSONObject("shopData");
String address=jsonObject2.getJSONObject("address");
} else {
Log.e("Your Array Response", "Data Null");
}
You can use some lib for Volley (eg VolleyEx ), together with Gson, to parse the JSON Object to a Map in Java. 您可以将Volley的某个库(例如VolleyEx )与Gson一起使用,以将JSON对象解析为Java中的Map。
ie using GsonObjectRequest
instead of StringRequest
即使用
GsonObjectRequest
而不是StringRequest
developer.android.com has the code, but there are also libs doing that for you. developer.android.com有代码,但是也有库为您这样做。
Use http://jsonviewer.stack.hu/ [To see json data structure] 使用http://jsonviewer.stack.hu/ [查看json数据结构]
brackets [] its an JSONArray 方括号[]是一个JSONArray
public void parseJson() { try { JSONObject jsonObject = new JSONObject(jsonParsing); boolean isSuccess = jsonObject.getString("message").contains("success"); if (isSuccess) { JSONObject jsonObjectData = jsonObject.getJSONObject("data"); String userId = jsonObject.getString("userId"); JSONObject jsonObjectShopData = jsonObject.getJSONObject("shopData"); String name = jsonObject.getString("tel"); } } catch (JSONException e) { e.printStackTrace(); } }
Try this 尝试这个
StringRequest request = new StringRequest(Request.Method.POST, ApiService.ORDER_BATTERY, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try{
BookBattery bookBattery = new BookBattery();
JSONObject jsonObject = new JSONObject(response);
String message = jsonObject.getString("message");
if (message.equalsIgnoreCase("success")) {
String battery = jsonObject.getString("battery");
JSONObject dataObject = jsonObject.getJSONObject("data");
JSONObject shopDataObject = jsonObject.getJSONObject("shopData");
int dataId = dataObject.getInt("id");
int dataUserId = dataObject.getInt("userId");
int dataShopId = dataObject.getInt("shopId");
} else {
Log.e("Your Array Response", "Data Null");
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e("error is ", "" + error);
}
}) {
//This is for Headers If You Needed
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
params.put("Content-Type", "application/json; charset=UTF-8");
params.put("token", TokenUser);
return params;
}
//Pass Your Parameters here
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("shopId", String.valueOf(shopId));
//params.put("Pass", PassWord);
return params;
}
};
AppController.getInstance().addToRequestQueue(request, tag_json_obj);
here i only parse "id", "userId" & "shopId" from dataObject. 在这里,我只解析dataObject中的“ id”,“ userId”和“ shopId”。 Rest can be parse in similar way.
其余部分可以用类似的方式解析。
Before do it I will suggest you please read about the json Array and Json Object. 在此之前,我建议您先阅读有关JSON数组和Json对象的信息。 Here the solution.
这里解决。
HashMap<String, String> params = new HashMap<String, String>();
params.put("your json parameter name", json parameter value);
// params.put("device_id", deviceID);
Log.d("response11", String.valueOf(params));
String Url ="your server url";
JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.POST, Url,
new JSONObject(params), new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.d(TAG + "JO", String.valueOf(response));
try {
String msgObject = response.getString("message");
Log.d("response","msgObject");
}catch (JSONException e){
String jsonExp = e.getMessage();
Log.d(TAG + "JE", jsonExp);
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
String volleyErr = error.getMessage();
Log.d(TAG + "VE", volleyErr);
}
});
requestQueue.add(jsonObjectRequest);
this sufficient for print you server response. 这足以打印您的服务器响应。 check response in logcat.
在logcat中检查响应。
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