qt将16进制数据转换为字符串

inline quint8 Char2Hex(char c)

{

    if ('0'<=c && c<='9') return c-'0';

    if ('a'<=c && c<='f') return c-'a'+10;

    if ('A'<=c && c<='F') return c-'A'+10;

    return -1;

}

bool Hex2Raw(quint8 *pData, const char *szMsg, int nMsgLen)

{

    int hi, lo;

    for (int i=0;i<nMsgLen/2;i++)

    {

        hi=Char2Hex(szMsg[i*2]);

        lo=Char2Hex(szMsg[i*2+1]);

        if (hi<0 || lo<0) return false;

        pData[i]=(hi<<4)+lo;

    }

    return true;

}