QString filePath = QCoreApplication::applicationDirPath() +
QDir::separator() + "config.ini";
QSettings settings(filePath, QSettings::IniFormat);
settings.setIniCodec("UTF-8");
settings.beginGroup("Attribute");
QString installPath = settings.value("InstallPath").toString();
settings.endGroup();
ini文件必须是UTF-8格式的,且路径分隔符为“\\"或”/“