QT获取网页内容



#include <QNetworkAccessManager>

#include <QNetworkRequest>

#include <QNetworkReply>

#include <QtCore>

#include <iostream>

usingnamespace std ;

classTT : public QObject

{

    Q_OBJECT

public:

    staticQString getHtml(QString url)

    {

        QNetworkAccessManager *manager =new QNetworkAccessManager();

        QNetworkReply *reply = manager->get(QNetworkRequest(QUrl(url)));

        QByteArray responseData;

        QEventLoop eventLoop;

        connect(manager, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));

        eventLoop.exec();      //block until finish

        responseData = reply->readAll();

        returnQString(responseData);

    }

};

 

int main(int argc,char *argv[])

{

    QCoreApplication a(argc, argv);

    QString data = TT::getHtml(QString("http://www.oschina.net") );

    cout<<data.toStdString()<<endl;

    returna.exec();

}