C++ 获取电脑硬盘序列号 - 代码示例

在 Windows 系统下，可以使用 WMI（Windows Management Instrumentation）来获取硬盘序列号。

以下是一个示例代码：

#include <iostream>
#include <Windows.h>
#include <wbemidl.h>
#pragma comment(lib, "wbemuuid.lib")

int main()
{
    HRESULT hres;
    IWbemLocator *pLoc = NULL;
    IWbemServices *pSvc = NULL;
    IEnumWbemClassObject* pEnumerator = NULL;
    IWbemClassObject *pclsObj = NULL;
    ULONG uReturn = 0;

    // 初始化 COM
    hres = CoInitializeEx(0, COINIT_MULTITHREADED);
    if (FAILED(hres))
    {
        std::cerr << "Failed to initialize COM library. Error code = 0x" << std::hex << hres << std::endl;
        return 1;
    }

    // 创建 WMI 定位器
    hres = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID*)&pLoc);
    if (FAILED(hres))
    {
        std::cerr << "Failed to create IWbemLocator object. Error code = 0x" << std::hex << hres << std::endl;
        CoUninitialize();
        return 1;
    }

    // 连接 WMI 服务
    hres = pLoc->ConnectServer(_bstr_t(L"ROOT\\CIMV2"), NULL, NULL, 0, NULL, 0, 0, &pSvc);
    if (FAILED(hres))
    {
        std::cerr << "Failed to connect to WMI service. Error code = 0x" << std::hex << hres << std::endl;
        pLoc->Release();
        CoUninitialize();
        return 1;
    }

    // 设置 WMI 访问权限
    hres = CoSetProxyBlanket(pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE);
    if (FAILED(hres))
    {
        std::cerr << "Failed to set proxy blanket. Error code = 0x" << std::hex << hres << std::endl;
        pSvc->Release();
        pLoc->Release();
        CoUninitialize();
        return 1;
    }

    // 执行 WMI 查询
    hres = pSvc->ExecQuery(bstr_t("WQL"), bstr_t("SELECT * FROM Win32_PhysicalMedia"), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator);
    if (FAILED(hres))
    {
        std::cerr << "Failed to execute WMI query. Error code = 0x" << std::hex << hres << std::endl;
        pSvc->Release();
        pLoc->Release();
        CoUninitialize();
        return 1;
    }

    // 获取查询结果
    while (pEnumerator)
    {
        hres = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn);
        if (uReturn == 0)
        {
            break;
        }

        VARIANT vtProp;
        hres = pclsObj->Get(L"SerialNumber", 0, &vtProp, 0, 0);
        if (SUCCEEDED(hres))
        {
            std::wcout << "Hard Disk Serial Number: '" << vtProp.bstrVal << "\n";
            VariantClear(&vtProp);
        }

        pclsObj->Release();
    }

    // 释放资源
    pEnumerator->Release();
    pSvc->Release();
    pLoc->Release();
    CoUninitialize();

    return 0;
}

运行结果类似如下：

Hard Disk Serial Number: '5SXXXXXXXXXXXXXX'