C++传递list给qml

function readValues(anArray, anObject) {
    for (var i = 0; i < anArray.length; i++ )
        console.log("Array item:", anArray[ i ])
    for (var prop in anObject) {
        console.log("Object item:", prop, "=", anObject[prop])
    }
}

QVariantList listY;
listY << 2 << 4 << 4.5 << 5 << 8 << 12 << 18;
QMetaObject::invokeMethod(qw->rootObject(), "setValue",
Q_ARG(QVariant,QVariant::fromValue(listY)),
Q_ARG(QVariant,QVariant(info)));