原创 2016年05月14日 01:50:22

标签：

c++ /

WMI /

CPU

官网找到一个例子，根据例子修改下可以获取很多信息

[cpp]

#define _WIN32_DCOM

#include

using namespace std;

#include

#include

#pragma comment(lib, "wbemuuid.lib")

int main(int argc, char **argv)

{

HRESULT hres;

// Step 1: --------------------------------------------------

// Initialize COM. ------------------------------------------

hres =  CoInitializeEx(0, COINIT_MULTITHREADED);

if (FAILED(hres))

{

cout <

<

return 1;                  // Program has failed.

}

// Step 2: --------------------------------------------------

// Set general COM security levels --------------------------

hres =  CoInitializeSecurity(

NULL,

-1,                          // COM authentication

NULL,                        // Authentication services

NULL,                        // Reserved

RPC_C_AUTHN_LEVEL_DEFAULT,   // Default authentication

RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation

NULL,                        // Authentication info

EOAC_NONE,                   // Additional capabilities

NULL                         // Reserved

);

if (FAILED(hres))

{

cout <

<

CoUninitialize();

return 1;                    // Program has failed.

}

// Step 3: ---------------------------------------------------

// Obtain the initial locator to WMI -------------------------

IWbemLocator *pLoc = NULL;

hres = CoCreateInstance(

CLSID_WbemLocator,

0,

CLSCTX_INPROC_SERVER,

IID_IWbemLocator, (LPVOID *) &pLoc);

if (FAILED(hres))

{

cout <

<

<

CoUninitialize();

return 1;                 // Program has failed.

}

// Step 4: -----------------------------------------------------

// Connect to WMI through the IWbemLocator::ConnectServer method

IWbemServices *pSvc = NULL;

// Connect to the root\cimv2 namespace with

// the current user and obtain pointer pSvc

// to make IWbemServices calls.

hres = pLoc->ConnectServer(

_bstr_t(L"ROOT\\CIMV2"), // Object path of WMI namespace

NULL,                    // User name. NULL = current user

NULL,                    // User password. NULL = current

0,                       // Locale. NULL indicates current

NULL,                    // Security flags.

0,                       // Authority (for example, Kerberos)

0,                       // Context object

&pSvc                    // pointer to IWbemServices proxy

);

if (FAILED(hres))

{

cout <

<

pLoc->Release();

CoUninitialize();

return 1;                // Program has failed.

}

cout <

// Step 5: --------------------------------------------------

// Set security levels on the proxy -------------------------

hres = CoSetProxyBlanket(

pSvc,                        // Indicates the proxy to set

RPC_C_AUTHN_WINNT,           // RPC_C_AUTHN_xxx

RPC_C_AUTHZ_NONE,            // RPC_C_AUTHZ_xxx

NULL,                        // Server principal name

RPC_C_AUTHN_LEVEL_CALL,      // RPC_C_AUTHN_LEVEL_xxx

RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx

NULL,                        // client identity

EOAC_NONE                    // proxy capabilities

);

if (FAILED(hres))

{

cout <

<

pSvc->Release();

pLoc->Release();

CoUninitialize();

return 1;               // Program has failed.

}

// Step 6: --------------------------------------------------

// Use the IWbemServices pointer to make requests of WMI ----

// For example, get the name of the operating system

IEnumWbemClassObject* pEnumerator = NULL;

hres = pSvc->ExecQuery(

bstr_t("WQL"),

bstr_t("SELECT * FROM Win32_OperatingSystem"),

WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,

NULL,

&pEnumerator);

if (FAILED(hres))

{

cout <

<

<

pSvc->Release();

pLoc->Release();

CoUninitialize();

return 1;               // Program has failed.

}

// Step 7: -------------------------------------------------

// Get the data from the query in step 6 -------------------

IWbemClassObject *pclsObj = NULL;

ULONG uReturn = 0;

while (pEnumerator)

{

HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1,

&pclsObj, &uReturn);

if(0 == uReturn)

{

break;

}

VARIANT vtProp;

// Get the value of the Name property

hr = pclsObj->Get(L"Name", 0, &vtProp, 0, 0);

wcout <

VariantClear(&vtProp);

pclsObj->Release();

}

// Cleanup

// ========

pSvc->Release();

pLoc->Release();

pEnumerator->Release();

CoUninitialize();

return 0;   // Program successfully completed.

}

下面列出了常用信息的类：

Win32_Processor                        // CPU 处理器

Win32_PhysicalMemory                   // 物理内存

Win32_Keyboard                         // 键盘

Win32_PointingDevice                   // 点输入设备，如鼠标

Win32_DiskDrive                        // 硬盘驱动器

Win32_CDROMDrive                       // 光盘驱动器

Win32_BaseBoard                        // 主板

Win32_BIOS                             // BIOS 芯片

Win32_ParallelPort                     // 并口

Win32_SerialPort                       // 串口

Win32_SoundDevice                      // 多媒体设置

Win32_USBController                    // USB 控制器

Win32_NetworkAdapter                   // 网络适配器

Win32_NetworkAdapterConfiguration      // 网络适配器设置

Win32_Printer                          // 打印机

Win32_PrinterConfiguration             // 打印机设置

Win32_PrintJob                         // 打印机任务

Win32_TCPIPPrinterPort                 // 打印机端口

Win32_POTSModem                        // MODEM

Win32_POTSModemToSerialPort            // MODEM 端口

Win32_DesktopMonitor                   // 显示器

Win32_VideoController                  // 显卡细节。

Win32_VideoSettings                    // 显卡支持的显示模式。

Win32_TimeZone                         // 时区

Win32_SystemDriver                     // 驱动程序

Win32_DiskPartition                    // 磁盘分区

Win32_LogicalDisk                      // 逻辑磁盘

Win32_LogicalMemoryConfiguration       // 逻辑内存配置

Win32_PageFile                         // 系统页文件信息

Win32_PageFileSetting                  // 页文件设置

Win32_BootConfiguration                // 系统启动配置

Win32_OperatingSystem                  // 操作系统信息

Win32_StartupCommand                   // 系统自动启动程序

Win32_Service                          // 系统安装的服务

Win32_Group                            // 系统管理组

Win32_GroupUser                        // 系统组帐号

Win32_UserAccount                      // 用户帐号

Win32_Process                          // 系统进程

Win32_Thread                           // 系统线程

Win32_Share                            // 共享

Win32_NetworkClient                    // 已安装的网络客户端

Win32_NetworkProtocol                  // 已安装的网络协议