保存配置

QSettings setting("config.ini",QSettings::IniFormat);
setting.beginGroup("para");
setting.setValue("database","test");
setting.setValue("hostName","localhost");
setting.setValue("userName","root");
setting.setValue("port",3306);
setting.setValue("password","123456");
setting.endGroup();

读取配置

    QSettings setting(":/config.ini",QSettings::IniFormat);setting.beginGroup("para");QString dataBaseName = setting.value("database").toString();QString hostName = setting.value("hostName").toString();QString userName = setting.value("userName").toString();int port=setting.value("port").toInt();QString passWord=setting.value("password").toString();setting.endGroup();