Qt知識點梳理 —— 獲取裝置CPU、記憶體、磁碟等硬體資訊
文章目錄
簡介
工業應用領域,我們經常需要獲取裝置的硬體及軟體資訊,用以做裝置軟硬體判斷,在此將常用的方法彙總,以便後續直接呼叫; 原始碼中已將方法封裝為標準類,歡迎補充;
其中包括:電腦名稱、CPU資訊、CPU序列號、記憶體詳細資訊、磁碟序列號、磁碟詳細資訊、作業系統資訊、主機板序列號、顯示卡資訊、所有網絡卡的MAC地址、裝置聯網狀態;
WMIC指令
在Windows環境下,我們可以通過使用WMIC獲取裝置的硬體資訊,如下:
wmic cpu get Name //獲取CPU名稱 wmic cpu get NumberOfCores //獲取CPU核心數 wmic cpu get NumberOfLogicalProcessors //獲取CPU執行緒數 wmic cpu get processorid //獲取CPU序列號 wmic baseboard get serialnumber //獲取主機板序列號 wmic csproduct //獲取主機板資訊 wmic bios get serialnumber //獲取BIOS序列號 wmic diskdrive get serialnumber //獲取磁碟序列號 wmic logicaldisk get name,Description,filesystem,size,freespace //獲取磁碟資訊 wmic diskdrive where index=0 get serialnumber //獲取第一個磁碟序列號 wmic nic where netconnectionid!=NULL get MacAddress //獲取不為空的MAC地址 wmic memorychip get Capacity,TAG //獲取記憶體資訊 wmic os get Caption,CSDVersion,CSName,SerialNumber,Version //獲取作業系統系統資訊
使用,將上述指令傳入即可:
//呼叫Windows WMIC指令 獲取硬體資訊 此方法僅適用於Windows環境 QString GetHardWare::GetWare(QString cmd) { QProcess p; p.start(cmd); p.waitForFinished(); QString result = QString::fromLocal8Bit(p.readAllStandardOutput()); QStringList list = cmd.split(" "); result = result.remove(list.last(), Qt::CaseInsensitive); result = result.replace("\r", ""); result = result.replace("\n", ""); result = result.simplified(); return result; }
具體實現
獲取電腦名稱
如果此處報錯,這裡沒詳細描述,可檢視:【Qt/C++異常筆記】“QHostInfo”: 不是類或名稱空間名稱
//獲取電腦名字
QString GetHardWare::getMachineName()
{
QString machineName = QHostInfo::localHostName();
return machineName;
}
獲取CPU資訊
如:Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
//獲取CPU資訊
QString GetHardWare::getCpuInfo()
{
return GetWare("wmic cpu get name");
}
獲取CPU序列號
//獲取CPU序列號
QString GetHardWare::getCpuSerial()
{
return GetWare("wmic cpu get processorid");
}
獲取記憶體資訊
返回資訊依次為:已使用記憶體大小、未使用記憶體大小、總記憶體大小,單位為MB;
如:("5041", "3001", "8042")
//獲取記憶體資訊
//返回資訊依次為:已使用記憶體大小、未使用記憶體大小、總記憶體大小,單位為MB
//如:("5041", "3001", "8042")
QStringList GetHardWare::getMemoryInfo()
{
QStringList m_memInfo;
int memoryPercent;
int memAll;
int memUse;
int memFree;
MEMORYSTATUSEX statex;
statex.dwLength = sizeof (statex);
GlobalMemoryStatusEx(&statex);
memoryPercent = statex.dwMemoryLoad;
memAll = statex.ullTotalPhys / MB;
memFree = statex.ullAvailPhys / MB;
memUse = memAll - memFree;
m_memInfo.append(QString::number(memUse));
m_memInfo.append(QString::number(memFree));
m_memInfo.append(QString::number(memAll));
return m_memInfo;
}
獲取第一個磁碟序列號
//獲取第一個磁碟序列號
QString GetHardWare::getDiskSerial()
{
return GetWare("wmic diskdrive where index=0 get serialnumber");//只能在Windows環境下使用
}
獲取磁碟資訊
返回資訊依次為:磁碟名稱、已使用空間大小、未使用空間大小、總空間大小、使用百分比;
如:(("C:/", "92.9G", "122.5G", "215.5G", "43"),
("D:/", "175.8G", "135.2G", "311.0G", "56"),
("E:/", "90.9G", "220.1G", "311.0G", "29"),
("F:/", "243.1G", "66.4G", "309.5G", "78"))
//獲取磁碟資訊
//返回資訊依次為:磁碟名稱、已使用空間大小、未使用空間大小、總空間大小、使用百分比
//如: (("C:/", "92.9G", "122.5G", "215.5G", "43"),
// ("D:/", "175.8G", "135.2G", "311.0G", "56"),
// ("E:/", "90.9G", "220.1G", "311.0G", "29"),
// ("F:/", "243.1G", "66.4G", "309.5G", "78"))
QList<QStringList> GetHardWare::getDiskInfo()
{
QList<QStringList> diskList;
QFileInfoList list = QDir::drives();
foreach (QFileInfo dir, list)
{
QStringList curDisk;
QString dirName = dir.absolutePath();
LPCWSTR lpcwstrDriver = (LPCWSTR)dirName.utf16();
ULARGE_INTEGER liFreeBytesAvailable, liTotalBytes, liTotalFreeBytes;
if(GetDiskFreeSpaceEx(lpcwstrDriver, &liFreeBytesAvailable, &liTotalBytes, &liTotalFreeBytes) )
{
//已使用的空間大小
QString use = QString::number((double) (liTotalBytes.QuadPart - liTotalFreeBytes.QuadPart) / GB, 'f', 1);
use += "G";
//未使用的空間大小
QString free = QString::number((double) liTotalFreeBytes.QuadPart / GB, 'f', 1);
free += "G";
//總空間大小
QString all = QString::number((double) liTotalBytes.QuadPart / GB, 'f', 1);
all += "G";
//使用率百分比
int percent = 100 - ((double)liTotalFreeBytes.QuadPart / liTotalBytes.QuadPart) * 100;
curDisk.append(dirName);
curDisk.append(use);
curDisk.append(free);
curDisk.append(all);
curDisk.append(QString::number(percent));
}
diskList.append(curDisk);
}
return diskList;
}
獲取作業系統資訊
如:Windows 10 Version 1909 64bit
//獲取系統資訊
//如:Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
QString GetHardWare::getOSInfo()
{
QString m_osInfo;
typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
LPFN_ISWOW64PROCESS fnIsWow64Process;
BOOL bIsWow64 = FALSE;
fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress( GetModuleHandle(TEXT("kernel32")),"IsWow64Process");
if (NULL != fnIsWow64Process)
{
fnIsWow64Process(GetCurrentProcess(),&bIsWow64);
}
QString sysBit = "unknown";
if(bIsWow64)
sysBit = "64bit";
else
sysBit = "32bit";
m_osInfo = QSysInfo::prettyProductName() + " " + sysBit;
return m_osInfo;
}
獲取主機板序列號
//獲取主機板序列號
QString GetHardWare::getBiosSerial()
{
return GetWare("wmic baseboard get serialnumber");
}
獲取網絡卡MAC地址
如:("00:15:5D:A2:BD:C7", "00:50:56:C0:00:01", "00:50:56:C0:00:08", "D8:F2:CA:6D:6A:2D")
//獲取所有網絡卡的MAC地址
//如:("00:15:5D:A2:BD:C7", "00:50:56:C0:00:01", "00:50:56:C0:00:08", "D8:F2:CA:6D:6A:2D")
QStringList GetHardWare::getMacAddress()
{
QStringList macList;
QList<QNetworkInterface> netList = QNetworkInterface::allInterfaces();
foreach(QNetworkInterface item, netList)//遍歷所有網絡卡
{
if((QNetworkInterface::IsUp & item.flags()) && (QNetworkInterface::IsRunning & item.flags())
&& (item.hardwareAddress().toStdString().length()>0))
{
macList.append(item.hardwareAddress());
}
}
return macList;
}
獲取裝置聯網狀態
如果裝置已連線外網,則返回True;否則返回False
//獲取聯網狀態
bool GetHardWare::getInternetState()
{
//能ping的通百度則說明可以聯網
QTcpSocket tcpClient;
tcpClient.abort();
tcpClient.connectToHost("www.baidu.com", 80);
//100毫秒沒有連線上則判斷不線上
return tcpClient.waitForConnected(100);
}
執行效果
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindow)
{
ui->setupUi(this);
qDebug() << "MachineName: " << GetHardWare::getMachineName();
qDebug() << "CpuInfo: " << GetHardWare::getCpuInfo();
qDebug() << "MemoryInfo: " << GetHardWare::getMemoryInfo();
qDebug() << "OSInfo: " << GetHardWare::getOSInfo();
qDebug() << "DiskSerial: " << GetHardWare::getDiskSerial();
qDebug() << "MacAddress: " << GetHardWare::getMacAddress();
qDebug() << "InternetState: " << GetHardWare::getInternetState();
qDebug() << "DiskInfo: " << GetHardWare::getDiskInfo();
qDebug() << "CpuSerial: " << GetHardWare::getCpuSerial();
qDebug() << "BiosSerial: " << GetHardWare::getBiosSerial();
}
專案原始碼
GitHub:lizhifun / QtHardWareDemo
開發環境
Author:Lizhifun
OS:Windows 10 家庭中文版
Compiler:Microsoft Visual C++ Compiler 15.9.28307.1259(amd64)
Kit:Desktop Qt 5.14.2 MSVC2017 64bit
Qt Creator:4.11.1