qt/LedOK/globaldefine.cpp

#include <QRegExp>
#include <globaldefine.h>
#include <QDir>
#include <QDateTime>
QString m_globalstrSavePath="";
bool m_globBoolFontantialiasing=false;
bool m_globBoolGuangYingPin=false;

bool isTextValid(const QString &strIP)
{
    if(strIP.isEmpty())
    {

    }
    else {
        QRegExp rx2("\\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\b");
        if (!rx2.exactMatch(strIP))
            return false;

    }
    return true;
}
QString getRandomString(int length)
{
    qsrand(QDateTime::currentMSecsSinceEpoch());

    const char ch[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    int size = sizeof(ch);

    char* str = new char[length + 1];

    int num = 0;
    for (int i = 0; i < length; ++i)
    {
        num = rand() % (size - 1);

        str[i] = ch[num];
    }

    QString res(str);
    res=res.left(length);
    return res;
}
bool isFileExist(QString fullFileName)
{
    QFileInfo fileInfo(fullFileName);
    if(fileInfo.isFile())
    {
        return true;
    }
    return false;
}

quint64 dirFileSize(const QString &path)
{
    QDir dir(path);
    quint64 size = 0;
    //dir.entryInfoList(QDir::Files)返回文件信息
    foreach(QFileInfo fileInfo, dir.entryInfoList(QDir::Files))
    {
        //计算文件大小
        size += fileInfo.size();
    }
    //dir.entryList(QDir::Dirs|QDir::NoDotAndDotDot)返回所有子目录，并进行过滤
    foreach(QString subDir, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot))
    {
        //若存在子目录，则递归调用dirFileSize()函数
        size += dirFileSize(path + QDir::separator() + subDir);
    }
    return size;
}
QString calcFileCRC(QString fileName)
{
    QString strCRC = "";
    quint32 crc = 0;;
    QFile file(fileName);
    bool result = file.open(QFile::ReadOnly);
    if(result) {
        while(!file.atEnd()) {
            QByteArray raw = file.read(1024*1024);
            crc = crc ^ calcCRC32(raw);
        }

        file.close();
        strCRC = QString::number(crc, 16);
    }

    return strCRC;
}
QString calcFilePathNameStringCRC(QString strfileNamePath)
{
    QString strCRC = "";
    quint32 crc = 0;
    QString str("hello");
    QByteArray bytes = strfileNamePath.toUtf8();
    crc = crc ^ calcCRC32(bytes);
    strCRC = QString::number(crc, 16);

    return strCRC;
}

quint32 calcCRC32(const QByteArray &data)
{
    static const quint32 crc32Table[] =
    {
        0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
        0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
        0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
        0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
        0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
        0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
        0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
        0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
        0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
        0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
        0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
        0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
        0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
        0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
        0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
        0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
        0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
        0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
        0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
        0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
        0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
        0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
        0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
        0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
        0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
        0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
        0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
        0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
        0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
        0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
        0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
        0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
        0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
        0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
        0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
        0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
        0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
        0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
        0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
        0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
        0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
        0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
        0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
    };

    quint32 crc32 = 0xffffffffL;

    for (auto i = 0; i < data.size(); ++i ) {
        crc32 = crc32Table[ ( crc32 ^ data.constData()[ i ]) & 0xff ] ^ ( crc32 >> 8 );
    }

    return (crc32 ^ 0xffffffffL);
}
void HttpPostByTypeJsonObject(HpptClient *pHpptClient, QString strUrl,QJsonObject json)
{
    QJsonDocument doc;
    doc.setObject(json);
    QByteArray post_loginArray = doc.toJson(QJsonDocument::Compact);
    pHpptClient->httpPost(strUrl,post_loginArray);
}
bool copyDir(const QString &source, const QString &destination, bool override)
{
    QDir directory(source);
    if (!directory.exists())
    {
        return false;
    }


    QString srcPath = QDir::toNativeSeparators(source);
    if (!srcPath.endsWith(QDir::separator()))
        srcPath += QDir::separator();
    QString dstPath = QDir::toNativeSeparators(destination);
    if (!dstPath.endsWith(QDir::separator()))
        dstPath += QDir::separator();


    bool error = false;
    QStringList fileNames = directory.entryList(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden);
    for (QStringList::size_type i=0; i != fileNames.size(); ++i)
    {
        QString fileName = fileNames.at(i);
        QString srcFilePath = srcPath + fileName;
        QString dstFilePath = dstPath + fileName;
        QFileInfo fileInfo(srcFilePath);
        if (fileInfo.isFile() || fileInfo.isSymLink())
        {
            if (override)
            {
                QFile::setPermissions(dstFilePath, QFile::WriteOwner);
            }
            QFile::copy(srcFilePath, dstFilePath);
        }
        else if (fileInfo.isDir())
        {
            QDir dstDir(dstFilePath);
            dstDir.mkpath(dstFilePath);
            if (!copyDir(srcFilePath, dstFilePath, override))
            {
                error = true;
            }
        }
    }


    return !error;
}
unsigned char	GetCheckCodeIn8(unsigned char * pBuffer,unsigned int uiSize)
{	unsigned int 	i=0;
    unsigned char	ucCheckCode=0;
    for (i=0;i<uiSize;i++) ucCheckCode+=pBuffer[i];
    return (~ucCheckCode)&0x0ff;
}