【C++】WMI获取系统硬件信息(CPU/DISK/NetWork etc)
2016-12-09 15:47
666 查看
官网找到一个例子，根据例子修改下可以获取很多信息
原文链接：http://blog.csdn.net/u010352603/article/details/51400769
[cpp] view
plain copy
#define _WIN32_DCOM
#include <iostream>
using namespace std;
#include <comdef.h>
#include <Wbemidl.h>
#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 << "Failed to initialize COM library. Error code = 0x"
<< hex << hres << endl;
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 << "Failed to initialize security. Error code = 0x"
<< hex << hres << endl;
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 << "Failed to create IWbemLocator object."
<< " Err code = 0x"
<< hex << hres << endl;
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 << "Could not connect. Error code = 0x"
<< hex << hres << endl;
pLoc->Release();
CoUninitialize();
return 1; // Program has failed.
}
cout << "Connected to ROOT\\CIMV2 WMI namespace" << endl;
// 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 << "Could not set proxy blanket. Error code = 0x"
<< hex << hres << endl;
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 << "Query for operating system name failed."
<< " Error code = 0x"
<< hex << hres << endl;
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 << " OS Name : " << vtProp.bstrVal << endl;
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
MSDN官网关于WMI的demo程序
MSDN官网关于WMI定义的所有类信息
原文链接：http://blog.csdn.net/u010352603/article/details/51400769
[cpp] view
plain copy
#define _WIN32_DCOM
#include <iostream>
using namespace std;
#include <comdef.h>
#include <Wbemidl.h>
#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 << "Failed to initialize COM library. Error code = 0x"
<< hex << hres << endl;
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 << "Failed to initialize security. Error code = 0x"
<< hex << hres << endl;
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 << "Failed to create IWbemLocator object."
<< " Err code = 0x"
<< hex << hres << endl;
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 << "Could not connect. Error code = 0x"
<< hex << hres << endl;
pLoc->Release();
CoUninitialize();
return 1; // Program has failed.
}
cout << "Connected to ROOT\\CIMV2 WMI namespace" << endl;
// 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 << "Could not set proxy blanket. Error code = 0x"
<< hex << hres << endl;
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 << "Query for operating system name failed."
<< " Error code = 0x"
<< hex << hres << endl;
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 << " OS Name : " << vtProp.bstrVal << endl;
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
MSDN官网关于WMI的demo程序
MSDN官网关于WMI定义的所有类信息
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
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