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void SysConfig::unzip(QString inFileName,QString outFileName)
{
QFile inFile(inFileName);
QFile outFile(outFileName);
inFile.open(QIODevice::ReadOnly);
outFile.open(QIODevice::WriteOnly);
QByteArray uncompressData=inFile.readAll();
QByteArray compressData=qUncompress(uncompressData);
outFile.write(compressData);
inFile.close();
outFile.close();
}