linux qt ini文件

[Section1]
Key1=Value1
Key2=Value2

[Section2]
KeyA=ValueA

#include <QCoreApplication>
#include <QSettings>

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

    QSettings settings("config.ini", QSettings::IniFormat);
    settings.beginGroup("Section1");
    settings.setValue("Key1", "Value1");
    settings.setValue("Key2", "Value2");
    settings.endGroup();

    settings.beginGroup("Section2");
    settings.setValue("KeyA", "ValueA");
    settings.endGroup();

    return a.exec();
}

#include <QCoreApplication>
#include <QSettings>
#include <QDebug>

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

    QSettings settings("config.ini", QSettings::IniFormat);
    settings.beginGroup("Section1");
    qDebug() << "Key1:" << settings.value("Key1").toString();
    qDebug() << "Key2:" << settings.value("Key2").toString();
    settings.endGroup();

    settings.beginGroup("Section2");
    qDebug() << "KeyA:" << settings.value("KeyA").toString();
    settings.endGroup();

    return a.exec();
}