将命令行参数传递给qml

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QCommandLineParser>
#include <QVariant>

int main(int argc, char *argv[])
{
    QGuiApplication app(argc, argv);

    QCommandLineParser parser;
    parser.addPositionalArgument("arg1", "The first argument");
    parser.addPositionalArgument("arg2", "The second argument");
    parser.process(app);

    const QStringList args = parser.positionalArguments();
    QVariantList qmlArgs;
    for (const QString& arg : args) {
        qmlArgs.append(arg);
    }

    QQmlApplicationEngine engine;
    engine.rootContext()->setContextProperty("qmlArgs", QVariant::fromValue(qmlArgs));
    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));

    return app.exec();
}

import QtQuick 2.0

Item {
    Component.onCompleted: {
        console.log("Command line arguments:");
        for (var i = 0; i < qmlArgs.length; i++) {
            console.log(qmlArgs[i]);
        }
    }
}