Mega Code Archive
Serialization with QDataStream
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#include <QtGui>
#include <QByteArray>
#include <QDataStream>
struct Movie
{
int id;
QString title;
QDate releaseDate;
};
QDataStream &operator<<(QDataStream &out, const Movie &movie)
{
out << (quint32)movie.id << movie.title
<< movie.releaseDate;
return out;
}
QDataStream &operator>>(QDataStream &in, Movie &movie)
{
quint32 id;
QDate date;
in >> id >> movie.title >> date;
movie.id = (int)id;
movie.releaseDate = date;
return in;
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
Movie m;
m.id = 0001;
m.title = "Happy Meal";
m.releaseDate = QDate(1995, 5, 17);
QByteArray byteArray;
QDataStream stream(&byteArray, QIODevice::WriteOnly);
stream << m;
// display
qDebug() << m.id << m.releaseDate << m.title;
Movie m2;
int id2;
QString title2;
QDate date2;
QDataStream stream2(byteArray);
stream2 >> id2 >> title2 >> date2;
m2.id = id2;
m2.title = title2;
m2.releaseDate = date2;
qDebug() << id2 << " " << date2 << " " << title2;
return 0;
}
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