c++获取计算机硬件信息

C++获取计算机硬件信息#include"stdafx.h"#include<iostream>#include<iomanip>#include<atlstr.h>#include<comutil.h>#include<comdef.h>#include<Wbemidl.h>usingnamespacestd;#pragmacomment(lib,"wbemuuid.lib")#pragmacomment(lib,"comsuppw.lib")//===================================================classCMyWMI{ IWbemLocator*pLoc_; IWbemServices*pSvc_; voidGetInfo(WCHAR*wszQueryInfo,IWbemClassObject*pclsObj);public: CMyWMI():pLoc_(NULL),pSvc_(NULL){} ~CMyWMI(){ClearWMI();} boolInitWMI(); boolClearWMI(); boolQuerySystemInfo(); boolQueryCPUInfo(); boolQueryProcessInfo(); boolQueryDiskInfo();};boolCMyWMI::QueryDiskInfo(){ HRESULThres;//定义COM调用的返回 IEnumWbemClassObject*pEnumerator=NULL; boolbRet=false; try{ hres=pSvc_->ExecQuery( bstr_t("WQL"), bstr_t("SELECT*FROMWin32_LogicalDisk"), WBEM_FLAG_FORWARD_ONLY|WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); if(FAILED(hres)) { throwexception("ExecQuery()error."); } while(pEnumerator) { IWbemClassObject*pclsObj; ULONGuReturn=0; HRESULThr=pEnumerator->Next(WBEM_INFINITE,1, &pclsObj,&uReturn); if(0==uReturn) { break; } GetInfo(L"Name",pclsObj); GetInfo(L"VolumeName",pclsObj); GetInfo(L"FileSystem",pclsObj); GetInfo(L"VolumeSerialNumber",pclsObj); GetInfo(L"FreeSpace",pclsObj); ; cout<<endl; pclsObj->Release(); } } catch(exception&e) { cout<<e.what()<<endl; if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } returnbRet; } if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } bRet=true; returnbRet;}boolCMyWMI::QueryProcessInfo(){ HRESULThres;//定义COM调用的返回 IEnumWbemClassObject*pEnumerator=NULL; boolbRet=false; try{ hres=pSvc_->ExecQuery( bstr_t("WQL"), bstr_t("SELECT*FROMWin32_Process"), WBEM_FLAG_FORWARD_ONLY|WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); if(FAILED(hres)) { throwexception("ExecQuery()error."); } while(pEnumerator) { IWbemClassObject*pclsObj; ULONGuReturn=0; HRESULThr=pEnumerator->Next(WBEM_INFINITE,1, &pclsObj,&uReturn); if(0==uReturn) { break; } GetInfo(L"Caption",pclsObj); GetInfo(L"ProcessId",pclsObj); GetInfo(L"ExecutablePath",pclsObj); cout<<endl; pclsObj->Release(); } } catch(exception&e) { cout<<e.what()<<endl; if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } returnbRet; } if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } bRet=true; returnbRet;}voidCMyWMI::GetInfo(WCHAR*wszQueryInfo,IWbemClassObject*pclsObj){ if(wszQueryInfo==NULL||NULL==pclsObj) return; VARIANTvtProp; char*lpszText=NULL; HRESULThr=pclsObj->Get(wszQueryInfo,0,&vtProp,0,0); if(SUCCEEDED(hr)&&(V_VT(&vtProp)==VT_BSTR)) { lpszText=_com_util::ConvertBSTRToString(V_BSTR(&vtProp)); printf_s("%s\n",lpszText); } elseif(SUCCEEDED(hr)&&(V_VT(&vtProp)==VT_I1||V_VT(&vtProp)==VT_I2|| V_VT(&vtProp)==VT_I4||V_VT(&vtProp)==VT_I8||V_VT(&vtProp)==VT_INT)) { printf_s("%d\n",vtPVal); } delete[]lpszText; VariantClear(&vtProp);}boolCMyWMI::QueryCPUInfo(){ HRESULThres;//定义COM调用的返回 IEnumWbemClassObject*pEnumerator=NULL; boolbRet=false; try{ hres=pSvc_->ExecQuery( bstr_t("WQL"), bstr_t("SELECT*FROMWin32_Processor"), WBEM_FLAG_FORWARD_ONLY|WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); if(FAILED(hres)) { throwexception("ExecQuery()error."); } while(pEnumerator) { IWbemClassObject*pclsObj; ULONGuReturn=0; HRESULThr=pEnumerator->Next(WBEM_INFINITE,1, &pclsObj,&uReturn); if(0==uReturn) { break; } GetInfo(L"Name",pclsObj); GetInfo(L"ProcessorId",pclsObj); GetInfo(L"Manufacturer",pclsObj); pclsObj->Release(); } } catch(exception&e) { cout<<e.what()<<endl; if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } returnbRet; } if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } bRet=true; returnbRet;}boolCMyWMI::QuerySystemInfo(){ HRESULThres;//定义COM调用的返回 IEnumWbemClassObject*pEnumerator=NULL; boolbRet=false; try{ hres=pSvc_->ExecQuery( bstr_t("WQL"), bstr_t("SELECT*FROMWin32_OperatingSystem"), WBEM_FLAG_FORWARD_ONLY|WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); if(FAILED(hres)) { throwexception("ExecQuery()error."); } while(pEnumerator) { IWbemClassObject*pclsObj; ULONGuReturn=0; HRESULThr=pEnumerator->Next(WBEM_INFINITE,1, &pclsObj,&uReturn); if(0==uReturn) { break; } GetInfo(L"BootDevice",pclsObj); GetInfo(L"Caption",pclsObj); GetInfo(L"Manufacturer",pclsObj); GetInfo(L"CSName",pclsObj); GetInfo(L"WindowsDirectory",pclsObj); GetInfo(L"SystemDirectory",pclsObj); GetInfo(L"TotalVisibleMemorySize",pclsObj); GetInfo(L"FreePhysicalMemory",pclsObj); pclsObj->Release(); } } catch(exception&e) { cout<<e.what()<<endl; if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } returnbRet; } if(pEnumerator!=NULL) { pEnumerator->Release(); pEnumerator=NULL; } bRet=true; returnbRet;}boolCMyWMI::ClearWMI(){ boolbRet=false; if(NULL!=pSvc_) pSvc_->Release(); if(pLoc_!=NULL) pLoc_->Release(); CoUninitialize(); bRet=true; returnbRet;}boolCMyWMI::InitWMI(){ HRESULThres;//定义COM调用的返回 boolbRet=false; try{ hres=CoInitializeEx(0,COINIT_MULTITHREADED); if(FAILED(hres)) { throwexception("CoInitializeEx()error."); } hres=CoInitializeSecurity( NULL, -1,//COMauthentication NULL,//Authenticationservices NULL,//Reserved RPC_C_AUTHN_LEVEL_DEFAULT,//Defaultauthentication RPC_C_IMP_LEVEL_IMPERSONATE,//DefaultImpersonation NULL,//Authenticationinfo EOAC_NONE,//Additionalcapabilities NULL//Reserved ); if(FAILED(hres)) { throwexception("CoInitializeEx()error."); } hres=CoCreateInstance( CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator,(LPVOID*)&pLoc_); if(FAILED(hres)) { throwexception("CoCreateInstance()error."); } //tomakeIWbemServicescalls. hres=pLoc_->ConnectServer( _bstr_t(L"ROOT\\CIMV2"),//ObjectpathofWMInamespace NULL,//Username.NULL=currentuser NULL,//Userpassword.NULL=current 0,//Locale.NULLindicatescurrent NULL,//Securityflags. 0,//Authority(e.g.Kerberos) 0,//Contextobject &pSvc_//pointertoIWbemServicesproxy ); if(FAILED(hres)) { throwexception("ConnectServer()error."); } hres=CoSetProxyBlanket( pSvc_,