Try to use this
Qt Code: 
  1. void TestClass::onRequestFinished(QNetworkReply* reply)
  2. {
  3.  
  4.     if(reply->error())
  5.     {
  6.         qDebug() << "ERROR : " << reply->errorString();
  7.     }
  8.     else
  9.     {
  10.         qDebug() << reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
  11.         qDebug() << reply->attribute(QNetworkRequest::HttpReasonPhraseAttribute).toString();
  12.  
  13.        QString strReply = reply->readAll();
  14.        qDebug() << strReply;
  15.        // ....
  16.  
  17.  
  18.     }
  19.     reply->deleteLater();
  20.  
  21. }
To copy to clipboard, switch view to plain text mode