QCommandLineParser

  QCommandLineParser parser;

    parser.setApplicationDescription("QtWebSockets example: echoserver");

    parser.addHelpOption();

    QCommandLineOption dbgOption(QStringList() << "d" << "debug",

            QCoreApplication::translate("main", "Debug output [default: off]."));

    parser.addOption(dbgOption);

    QCommandLineOption portOption(QStringList() << "p" << "port",

            QCoreApplication::translate("main", "Port for echoserver [default: 1234]."),

            QCoreApplication::translate("main", "port"), QLatin1Literal("1234"));

    parser.addOption(portOption);

    parser.process(a);

    bool debug = parser.isSet(dbgOption);

    int port = parser.value(portOption).toInt();

نتیجه:

QtWebSockets example: echoserver

Options:

  -?, -h, --help     Displays this help.

  -d, --debug        Debug output [default: off].

  -p, --port <port>  Port for echoserver [default: 1234].