问Qt -在(from)文件中保存(或加载) qt变量的最简单和最快的方法

EN

QList<QString> list = {"toto", "is it really working ?", "seems nice :)"};
QList<int> listInt = {3, 5, 8};

QList<QString> list2;
qRegisterMetaTypeStreamOperators<QList<QString> >("QList<QString>");
qRegisterMetaTypeStreamOperators<QList<int> >("QList<int>");

QSettings settings("Moose Soft", "Facturo-Pro", this);
settings.setValue("listData", QVariant::fromValue(list));
settings.setValue("listInt", QVariant::fromValue(listInt));
settings.setValue("test", 5);

list2 = settings.value("listData").value<QList<QString>>();

qDebug() << list;
qDebug() << list2;
qDebug() << settings.value("listInt").value<QList<int>>();
qDebug() << settings.value("test").value<int>();