C++ 硬件信息 获取CPU序列号

【1】头文件

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

#endif // !defined(AFX_14BEC153_17B9_47BE_845F_71A27BF26B59__INCLUDED_)
【2】CPP
#include "stdafx.h"
#include "CpuID.h"

//--------------------------------------------------------------
// CPU序列号
//--------------------------------------------------------------
BOOL GetCpuByCmd(char *lpszCpu, int len/*=128*/)
{
const long MAX_COMMAND_SIZE = 10000; // 命令行输出缓冲大小
WCHAR szFetCmd[] = L"wmic cpu get processorid"; // 获取CPU序列号命令行
const string strEnSearch = "ProcessorId"; // CPU序列号的前导信息

BOOL bret = FALSE;
HANDLE hReadPipe = NULL; //读取管道
HANDLE hWritePipe = NULL; //写入管道
PROCESS_INFORMATION pi; //进程信息
STARTUPINFO si; //控制命令行窗口信息
SECURITY_ATTRIBUTES sa; //安全属性

char szBuffer[MAX_COMMAND_SIZE + 1] = { 0 }; // 放置命令行结果的输出缓冲区
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 创建管道
bret = CreatePipe(&hReadPipe, &hWritePipe, &sa, 0);
if (!bret)
{
goto END;
}

//2.0 设置命令行窗口的信息为指定的读写管道
GetStartupInfo(&si);
si.hStdError = hWritePipe;
si.hStdOutput = hWritePipe;
si.wShowWindow = SW_HIDE; //隐藏命令行窗口
si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;

//3.0 创建获取命令行的进程
bret = CreateProcess(NULL, szFetCmd, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi);
if (!bret)
{
goto END;
}

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

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

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

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

//去掉中间的空格 \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++;
}
}

bret = TRUE;

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

return(bret);
}