Qt 獲取所有進程、終止某個進程


代碼中用到Qt庫的地方, 不使用Qt庫的可以替換為自己相應的函數

方法一:

1     //Qt開源庫, 通過QProcess啟動系統命令“tasklist.exe”, 獲取正在運行的進程
2  QProcess process; 3     process.start("tasklist.exe"); 4     if(process.waitForFinished()) 5  { 6         QByteArray result = process.readAll(); 7

方法二:

 1     //如果系統找不到Psapi.h  2     //需要安裝microsoft sdk, https://www.microsoft.com/en-us/download/details.aspx?id=8279
 3     #include <Psapi.h>
 4 
 5     unsigned long aProcesses[1024], cbNeeded, cProcesses;  6     //枚舉所有進程ID
 7     if( !EnumProcesses(aProcesses,sizeof(aProcesses),&cbNeeded) )  8  {  9         qDebug()<<"text01"; //Qt開源庫,輸出字符串
10  } 11     QStringList lprocess;   //Qt開源庫,字符串列表 12 
13     //計算有多少個進程
14     cProcesses = cbNeeded / sizeof(unsigned long); 15 
16     for(unsigned int i = 0; i < cProcesses; i++) 17  { 18         if(aProcesses[i] == 0) 19  { 20             continue; 21  } 22         //獲取已存在的進程對象句柄
23         HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, 0, aProcesses[i]); 24         wchar_t buffer[50]; 25         GetModuleBaseName(hProcess, 0, buffer, 50); //獲取進程名
26  CloseHandle(hProcess); 27         lprocess << QString::fromWCharArray(buffer); //Qt開源庫
28  } 29     qDebug()<<lprocess; //Qt開源庫

終止進程:

 1     int KillProcess(LPCSTR processName)  2  {  3  PROCESSENTRY32 pe;  4         DWORD id=0;  5         HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);  6         pe.dwSize = sizeof(PROCESSENTRY32);  7         if(!Process32First(hSnapshot,&pe))  8  {  9             return 0; 10  } 11 
12         while(1) 13  { 14             pe.dwSize=sizeof(PROCESSENTRY32); 15             if(Process32Next(hSnapshot,&pe)==FALSE) 16  { 17                 break; 18  } 19             //find processName
20             if(wcsicmp(pe.szExeFile, processName)==0) 21  { 22                 id = pe.th32ProcessID; 23                 break; 24  } 25  } 26  CloseHandle(hSnapshot); 27         //if(id == 0) 28         // return ; 29 
30         //Kill The Process
31         HANDLE hProcess = OpenProcess( PROCESS_ALL_ACCESS, FALSE, id ); 32         if (hProcess != NULL) 33  { 34             TerminateProcess(hProcess,0); 35  CloseHandle(hProcess); 36  } 37         return 1; 38     }

 


免責聲明!

本站轉載的文章為個人學習借鑒使用,本站對版權不負任何法律責任。如果侵犯了您的隱私權益,請聯系本站郵箱yoyou2525@163.com刪除。



 
粵ICP備18138465號   © 2018-2025 CODEPRJ.COM