Android Volley-发布请求-无法在线工作 [英] Android Volley - Post Request - Not Working Online
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问题描述
我试图通过Volley发出POST请求.它在我的本地主机上工作正常,但是当我将其移至网络服务器时,响应为空.
I was trying to make a POST request through Volley. It is working totally fine in my localhost but when i moved it to webserver the response is empty.
Java代码
RequestQueue queue = Volley.newRequestQueue(this);
StringRequest sr = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
pd.dismiss();
Log.d("Response: ", response.toString());
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.d("Error: ", error + "");
}
}) {
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("name", name);
params.put("phone", phone);
params.put("email", email);
Log.d("getParams", params.toString());
return params;
}
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
params.put("Content-Type", "application/x-www-form-urlencoded");
Log.d("getHeaders", params.toString());
return params;
}
};
queue.add(sr);
PHP代码
$name = $this->input->post('name');
$phone = $this->input->post('phone');
$email = $this->input->post('email');
echo "Name: ".$name." Phone: ".$phone." Email:".$email;
推荐答案
我以前也遇到过同样的问题,并通过使用自定义请求队列进行了修复.
I had faced same problem previously and fixed by using custom request queue.
首先创建自定义请求类 CustomRequest.java
first create custom request class CustomRequest.java
import java.io.UnsupportedEncodingException;
import java.util.Map;
import org.json.JSONException;
import org.json.JSONObject;
import com.android.volley.NetworkResponse;
import com.android.volley.ParseError;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.Response.ErrorListener;
import com.android.volley.Response.Listener;
import com.android.volley.toolbox.HttpHeaderParser;
public class CustomRequest extends Request<JSONObject> {
private Listener<JSONObject> listener;
private Map<String, String> params;
public CustomRequest(String url, Map<String, String> params,
Listener<JSONObject> reponseListener, ErrorListener errorListener) {
super(Method.GET, url, errorListener);
this.listener = reponseListener;
this.params = params;
}
public CustomRequest(int method, String url, Map<String, String> params,
Listener<JSONObject> reponseListener, ErrorListener errorListener) {
super(method, url, errorListener);
this.listener = reponseListener;
this.params = params;
}
protected Map<String, String> getParams()
throws com.android.volley.AuthFailureError {
return params;
};
@Override
protected Response<JSONObject> parseNetworkResponse(NetworkResponse response) {
try {
String jsonString = new String(response.data,
HttpHeaderParser.parseCharset(response.headers));
return Response.success(new JSONObject(jsonString),
HttpHeaderParser.parseCacheHeaders(response));
} catch (UnsupportedEncodingException e) {
return Response.error(new ParseError(e));
} catch (JSONException je) {
return Response.error(new ParseError(je));
}
}
@Override
protected void deliverResponse(JSONObject response) {
// TODO Auto-generated method stub
listener.onResponse(response);
}
}
然后我这样执行请求
Map<String, String> params = new HashMap<String, String>();
params.put("name", name);
params.put("email", phone);
params.put("phone", email);
CustomRequest jsonObjReq = new CustomRequest(
Method.POST,
Const.URL_SEND_FEEDBACK,params,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject jsonObject) {
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError volleyError) {
}
}) {
public Map<String, String> getHeaders() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
//params.put("Content-Type", "application/x-www-form-urlencoded"); not used this
Log.d("getHeaders", params.toString());
return params;
}
};
AppController.getInstance().addToRequestQueue(jsonObjReq);
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