QT之QSetting读写配置文件

QSettings settings("Option.ini", QSettings::IniFormat); // 当前目录的INI文件
settings.beginGroup("DevOption");//创建所属组，并开始创建
settings.setValue("mainFun", 25);//添加组成员，并设置它的值
settings.setValue("subFun", 40);
settings.setValue("service", 1);
settings.endGroup();// 结束创建

QSettings settings("Option.ini", QSettings::IniFormat);

int mainFun = settings.value("DevOption/mainFun").toInt();　　// 获取文件中属于DevOption中mainFun的值

int subFun = settings.value("DevOption/subFun").toInt(); QString service = settings.value("DevOption/service").toString();