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前言：项目中会用到.ini文件存储保存数据

一、写.ini文件

    QString path = "D:/lns/model.ini";QSettings* m_IniFile = new QSettings(path,QSettings::IniFormat);m_IniFile -> beginGroup("alarm");m_IniFile -> setValue("0",QString::number(examopen.worksheet));m_IniFile -> setValue("1",QString::number(examopen.SN_number));m_IniFile -> endGroup();delete m_IniFile;

二、读.ini文件

        QString path = "D:/lns/model.ini";QSettings *demo = new QSettings(path, QSettings::IniFormat);demo -> beginGroup("alarm");QStringList str = demo -> allKeys();QString key1 = str.at(0);QString value1 = demo -> value(key1).toString();examopen.worksheet = value1.toInt();QString key2 = str.at(1);QString value2 = demo -> value(key2).toString();examopen.SN_number = value2.toInt();demo -> endGroup();