QNetworkReply Sınıfı

Giriş
Şu satırı dahil ederiz.

#include <QtNetworkReply>

downloadProgress Signal
Şöyle yaparız.

connect(networkReply, SIGNAL(downloadProgress(qint64, qint64)),
  this, SLOT(onDownloadProgress()));

encrypted Signal
Şöyle yaparız.

connect(networkReply, SIGNAL(encrypted()),
        this, SLOT(onEncrypted()));

error metodu
Şöyle yaparız.

QNetworkReply* reply=convertToReply(sender());
if(reply->error()==QNetworkReply::NoError)
{
  ...
}

error Signal
Şöyle yaparız.

connect(networkReply, SIGNAL(error(QNetworkReply::NetworkError)),
        this, SLOT(onDownloadError(QNetworkReply::NetworkError)));

finished Signal
Şöyle yaparız.

void Foo::downloadFinished()
{   
  ...
  reply->deleteLater();
}

connect(reply,&QNetworkReply::finished,
            this,&Foo::downloadFinished);

readAll metodu
Şöyle yaparız.

QString response=reply->readAll();

readyRead Signal
Şöyle yaparız.

void Foo::httpReadyRead()
{
  file->write(reply->readAll());
}
connect(reply,&QNetworkReply::readyRead,
  this,&Foo::httpReadyRead);

sslErrors Signal

Şöyle yaparız.

connect(networkReply, SIGNAL(sslErrors(QList<QSslError>)),
        this, SLOT(onDownloadSslErrors(QList<QSslError>)));