獲取硬盤序列號的C++代碼

    // GetHardDiskNum.cpp : 定義控制臺應用程序的入口點。

    //


#include "stdafx.h"  

#ifndef _WIN32_WINNT  
#define _WIN32_WINNT 0x0501  
#endif  

#include <windows.h>  
#include <winioctl.h>  

//  
BOOL GetPhyDriveSerial(LPTSTR pModelNo, LPTSTR pSerialNo);  
void ToLittleEndian(PUSHORT pWords, int nFirstIndex, int nLastIndex, LPTSTR pBuf);  
void TrimStart(LPTSTR pBuf);  

//  
// Model Number: 40 ASCII Chars  
// SerialNumber: 20 ASCII Chars  
//  
BOOL GetPhyDriveSerial(LPTSTR pModelNo,LPTSTR pSerialNo)  
{  
    //-1是因為 SENDCMDOUTPARAMS 的結尾是 BYTE bBuffer[1];  
    BYTE IdentifyResult[sizeof(SENDCMDOUTPARAMS) + IDENTIFY_BUFFER_SIZE - 1];  
    DWORD dwBytesReturned;  
    GETVERSIONINPARAMS get_version;  
    SENDCMDINPARAMS send_cmd = { 0 };  

    HANDLE hFile = CreateFile(_T("\\\\.\\PHYSICALDRIVE0"), GENERIC_READ | GENERIC_WRITE,      
        FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);  
    if(hFile == INVALID_HANDLE_VALUE)  
        return FALSE;  

    //get version  
    DeviceIoControl(hFile, SMART_GET_VERSION, NULL, 0,  
        &get_version, sizeof(get_version), &dwBytesReturned, NULL);  

    //identify device  
    send_cmd.irDriveRegs.bCommandReg = (get_version.bIDEDeviceMap & 0x10)? ATAPI_ID_CMD : ID_CMD;  
    DeviceIoControl(hFile, SMART_RCV_DRIVE_DATA, &send_cmd, sizeof(SENDCMDINPARAMS) - 1,  
        IdentifyResult, sizeof(IdentifyResult), &dwBytesReturned, NULL);  
    CloseHandle(hFile);  

    //adjust the byte order  
    PUSHORT pWords = (USHORT*)(((SENDCMDOUTPARAMS*)IdentifyResult)->bBuffer);  
    ToLittleEndian(pWords, 27, 46, pModelNo);  
    ToLittleEndian(pWords, 10, 19, pSerialNo);  
    return TRUE;  
}  

//把WORD數組調整字節序為little-endian，并濾除字符串結尾的空格。  
void ToLittleEndian(PUSHORT pWords, int nFirstIndex, int nLastIndex, LPTSTR pBuf)  
{  
    int index;  
    LPTSTR pDest = pBuf;  
    for(index = nFirstIndex; index <= nLastIndex; ++index)  
    {  
        pDest[0] = pWords[index] >> 8;  
        pDest[1] = pWords[index] & 0xFF;  
        pDest += 2;  
    }      
    *pDest = 0;  

    //trim space at the endof string; 0x20: _T(' ')  
    --pDest;  
    while(*pDest == 0x20)  
    {  
        *pDest = 0;  
        --pDest;  
    }  
}  

//濾除字符串起始位置的空格  
void TrimStart(LPTSTR pBuf)  
{  
    if(*pBuf != 0x20)  
        return;  

    LPTSTR pDest = pBuf;  
    LPTSTR pSrc = pBuf + 1;  
    while(*pSrc == 0x20)  
        ++pSrc;  

    while(*pSrc)  
    {  
        *pDest = *pSrc;  
        ++pDest;  
        ++pSrc;  
    }  
    *pDest = 0;  
}  


int _tmain(int argc, _TCHAR* argv[])  
{  
    TCHAR szModelNo[48], szSerialNo[24];  
    if(GetPhyDriveSerial(szModelNo, szSerialNo))  
    {  
        _tprintf(_T("Model No: %s\n"), szModelNo);  
        TrimStart(szSerialNo);  
        _tprintf(_T("Serial No: %s\n"), szSerialNo);  
    }  
    else  
    {  
        _tprintf(_T("Failed.\n"));  
    }  
    getchar();  
    return 0;  

    return 0;  
}  </pre> <br /> </em>