#include <QtWidgets/QApplication>
#include <QWidget>
#include <QSettings>
#include <QString>int main(int argc, char *argv[])
{QApplication a(argc, argv);QSettings *configIniWrite = new QSettings(QCoreApplication::applicationDirPath()+"/configfile.ini", QSettings::IniFormat);configIniWrite->setValue("/ip/first", "192.168.0.1");configIniWrite->setValue("ip/second", "127.0.0.1");configIniWrite->setValue("port/open", "2222");QString first_ip = configIniWrite->value("ip/first").toString();QString second_ip = configIniWrite->value("ip/second").toString();QString port_open = configIniWrite->value("port/open").toString();delete configIniWrite;return a.exec();
}