獲取CPU序列號

#if !defined(AFX_14BEC153_17B9_47BE_845F_71A27BF26B59__INCLUDED_)  
#define AFX_14BEC153_17B9_47BE_845F_71A27BF26B59__INCLUDED_  

#if _MSC_VER > 1000  
#pragma once  
#endif // _MSC_VER > 1000  

#include <iostream>  
#include <string>  
#include <windows.h>  

using namespace std;

//--------------------------------------------------------------  
//                      CPU序列號  
//--------------------------------------------------------------  
BOOL GetCpuByCmd(char *lpszCpu, int len = 128);


#endif // !defined(AFX_14BEC153_17B9_47BE_845F_71A27BF26B59__INCLUDED_)  




//--------------------------------------------------------------  
//                      CPU序列號  
//--------------------------------------------------------------  
BOOL GetCpuByCmd(char *lpszCpu, int len/*=128*/)
{
	const long MAX_COMMAND_SIZE = 10000; // 命令行輸出緩沖大小     
	WCHAR szFetCmd[] = L"wmic cpu get processorid"; // 獲取CPU序列號命令行    
	const string strEnSearch = "ProcessorId"; // CPU序列號的前導信息  

	BOOL   bret = FALSE;
	HANDLE hReadPipe = NULL; //讀取管道  
	HANDLE hWritePipe = NULL; //寫入管道      
	PROCESS_INFORMATION pi;   //進程信息      
	STARTUPINFO         si;   //控制命令行窗口信息  
	SECURITY_ATTRIBUTES sa;   //安全屬性  

	char            szBuffer[MAX_COMMAND_SIZE + 1] = { 0 }; // 放置命令行結果的輸出緩沖區  
	string          strBuffer;
	unsigned long   count = 0;
	long            ipos = 0;

	memset(&pi, 0, sizeof(pi));
	memset(&si, 0, sizeof(si));
	memset(&sa, 0, sizeof(sa));

	pi.hProcess = NULL;
	pi.hThread = NULL;
	si.cb = sizeof(STARTUPINFO);
	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
	sa.lpSecurityDescriptor = NULL;
	sa.bInheritHandle = TRUE;

	//1.0 創建管道  
	bret = CreatePipe(&hReadPipe, &hWritePipe, &sa, 0);
	if (!bret)
	{
		goto END;
	}

	//2.0 設置命令行窗口的信息為指定的讀寫管道  
	GetStartupInfo(&si);
	si.hStdError = hWritePipe;
	si.hStdOutput = hWritePipe;
	si.wShowWindow = SW_HIDE; //隱藏命令行窗口  
	si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;

	//3.0 創建獲取命令行的進程  
	bret = CreateProcess(NULL, szFetCmd, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi);
	if (!bret)
	{
		goto END;
	}

	//4.0 讀取返回的數據  
	WaitForSingleObject(pi.hProcess, 500/*INFINITE*/);
	bret = ReadFile(hReadPipe, szBuffer, MAX_COMMAND_SIZE, &count, 0);
	if (!bret)
	{
		goto END;
	}

	//5.0 查找CPU序列號  
	bret = FALSE;
	strBuffer = szBuffer;
	ipos = strBuffer.find(strEnSearch);

	if (ipos < 0) // 沒有找到  
	{
		goto END;
	}
	else
	{
		strBuffer = strBuffer.substr(ipos + strEnSearch.length());
	}

	memset(szBuffer, 0x00, sizeof(szBuffer));
	strcpy_s(szBuffer, strBuffer.c_str());

	//去掉中間的空格 \r \n  
	int j = 0;
	for (int i = 0; i < strlen(szBuffer); i++)
	{
		if (szBuffer[i] != ' ' && szBuffer[i] != '\n' && szBuffer[i] != '\r')
		{
			lpszCpu[j] = szBuffer[i];
			j++;
		}
	}
	lpszCpu[j] = '\0';

	bret = TRUE;

END:
	//關閉所有的句柄  
	CloseHandle(hWritePipe);
	CloseHandle(hReadPipe);
	CloseHandle(pi.hProcess);
	CloseHandle(pi.hThread);

	return(bret);
}

int main()
{
	char cpuid[256];
	GetCpuByCmd(cpuid);
	printf("cpuid:%s", cpuid);
	system("pause");
}