void PrintBuffer(void* pBuff, unsigned int nLen)

{

    if (NULL == pBuff ||  == nLen)

    {

        return;

    }

    const int nBytePerLine = ;

    unsigned char* p = (unsigned char*)pBuff;

    char szHex[*nBytePerLine+] = {};

    printf("-----------------begin-------------------\n");

    for (unsigned int i=; i<nLen; ++i)

    {

        int idx =  * (i % nBytePerLine);

        if ( == idx)

        {

            memset(szHex, , sizeof(szHex));

        }

#ifdef WIN32

        sprintf_s(&szHex[idx], , "%02x ", p[i]);// buff长度要多传入1个字节

#else

        snprintf(&szHex[idx], , "%02x ", p[i]); // buff长度要多传入1个字节

#endif

        // 以16个字节为一行，进行打印

        if ( == ((i+) % nBytePerLine))

        {

            printf("%s\n", szHex);

        }

    }

    // 打印最后一行未满16个字节的内容

    if ( != (nLen % nBytePerLine))

    {

        printf("%s\n", szHex);

    }

    printf("------------------end-------------------\n");

}