Qt测试IP是否可达

ping_test.cpp

#include <QCoreApplication>
#include <QtCore>

bool ping_test(const QString &ip) {
    QStringList parameters;
#ifdef Q_OS_WIN
    parameters << "-n" << "1";
#else
    parameters << "-c 1";
#endif
    parameters << ip;

    int exitCode = QProcess::execute("ping", parameters);
    return (exitCode == 0);
}

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    qDebug() << ping_test("10.21.2.65");
    qDebug() << ping_test("12.45.33.33");

    qDebug() << "Done!";

    return a.exec();
}