Send Qt HTTP Post and read back the response

[Pufo]

I'm using this code to make a simple HTTP Post ( a login )

QNetworkAccessManager *nwam = new QNetworkAccessManager;
 
   QNetworkRequest request(QUrl("http://localhost/laptop/trylogin.php"));
 
   QByteArray data;
   QUrl params;
 
   QString userString(user);
   QString passString(pass);
 
   params.addQueryItem("user", userString );
   params.addQueryItem("pass", passString );
   data.append(params.toString());
   data.remove(0,1);
 
   QNetworkReply *reply = nwam->post(request,data);

QNetworkAccessManager *nwam = new QNetworkAccessManager;

   QNetworkRequest request(QUrl("http://localhost/laptop/trylogin.php"));

   QByteArray data;
   QUrl params;

   QString userString(user);
   QString passString(pass);

   params.addQueryItem("user", userString );
   params.addQueryItem("pass", passString );
   data.append(params.toString());
   data.remove(0,1);

   QNetworkReply *reply = nwam->post(request,data);

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If the logging succeedes or not, how do i send and read the response in Qt ?
Or, which is the best way to do this ?