I solved the problem:
network.h
#ifndef NETWORK_H
#define NETWORK_H
#include <QNetworkAccessManager>
class netWork : public QNetworkAccessManager
{
Q_OBJECT
protected:
virtual QNetworkReply *createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData = 0);
public:
explicit netWork(QObject *parent = 0);
};
#endif // NETWORK_H
network.cpp
#include "network.h"
#include <QNetworkReply>
#include <QNetworkRequest>
netWork::netWork(QObject *parent) :
QNetworkAccessManager(parent)
{
}
QNetworkReply * netWork::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData){
if(request.rawHeader("x-fixed-req")=="1") {//prevent infinite loop
return QNetworkAccessManager::createRequest(op, request, outgoingData);
}
const QList<QByteArray>a = request.rawHeaderList();
int j = a.length();
int i=0;
QNetworkRequest req(request.url());
for(;i<j;++i){
req.setRawHeader(a[i], request.rawHeader(a[i]));
}
req.setRawHeader("x-fixed-req", "1");
QNetworkReply *p;
if(op==PostOperation || op==PutOperation) {
const QByteArray data = outgoingData->readAll();
if(op==PostOperation) {
p = this->post(req, data);
} else {
p = this->put(req, data);
}
} else if(op==DeleteOperation) {
p = this->deleteResource(req);
} else if(op==HeadOperation) {
p = this->head(req);
} else {
p = this->get(req);
}
return p;
}
MainWindow.cpp (or something)
#include "network.h";
bool firstExec = false;
QNetworkCookieJar *cookieJar;
QNetworkDiskCache *m_cache;
netWork *m_network = new netWork; //custom networkaccessmanager
...
if(firstExec==false){
firstExec = true;
cookieJar = new QNetworkCookieJar;
m_cache = new QNetworkDiskCache();
m_cache->setCacheDirectory( QString("c:\\data") );
m_network->setCache( m_cache );
m_network->setCookieJar( cookieJar );
}
[QWEBVIEW]->setNetworkAccessManager( m_network );
Note: To use cookies and cache, use the functions QNetworkAccessManager::setCookieJar and QNetworkAccessManager::setCache