实现代码

#include <stdio.h>
#include <windows.h>
#include <tlhelp32.h>
#include <string>
#include <tchar.h>
#include <Psapi.h>
#pragma comment (lib,"Psapi.lib")BOOL DosPathToNtPath(LPTSTR pszDosPath, LPTSTR pszNtPath)
{TCHAR            szDriveStr[500];TCHAR            szDrive[3];TCHAR            szDevName[100];INT                cchDevName;INT                i;//检查参数if(!pszDosPath || !pszNtPath )return FALSE;//获取本地磁盘字符串if(GetLogicalDriveStrings(sizeof(szDriveStr), szDriveStr)){for(i = 0; szDriveStr[i]; i += 4){if(!lstrcmpi(&(szDriveStr[i]), _T("A:\\")) || !lstrcmpi(&(szDriveStr[i]), _T("B:\\")))continue;szDrive[0] = szDriveStr[i];szDrive[1] = szDriveStr[i + 1];szDrive[2] = '\0';if(!QueryDosDevice(szDrive, szDevName, 100))//查询 Dos 设备名return FALSE;cchDevName = lstrlen(szDevName);if(_tcsnicmp(pszDosPath, szDevName, cchDevName) == 0)//命中{lstrcpy(pszNtPath, szDrive);//复制驱动器lstrcat(pszNtPath, pszDosPath + cchDevName);//复制路径return TRUE;}           }}lstrcpy(pszNtPath, pszDosPath);return FALSE;
}
//获取进程完整路径
BOOL GetProcessFullPath(DWORD dwPID, TCHAR pszFullPath[MAX_PATH])
{TCHAR        szImagePath[MAX_PATH];HANDLE        hProcess;if(!pszFullPath)return FALSE;pszFullPath[0] = '\0';hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, 0, dwPID);if(!hProcess)return FALSE;if(!GetProcessImageFileName(hProcess, szImagePath, MAX_PATH)){CloseHandle(hProcess);return FALSE;}if(!DosPathToNtPath(szImagePath, pszFullPath)){CloseHandle(hProcess);return FALSE;}CloseHandle(hProcess);_tprintf(_T("%d,%s \r\n"),dwPID,pszFullPath);return TRUE;
}
int main(int argc, char* argv[])
{HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);if (INVALID_HANDLE_VALUE == hSnapshot){return NULL;}PROCESSENTRY32 pe ={0};pe.dwSize = sizeof(PROCESSENTRY32); BOOL fOk;for (fOk = Process32First(hSnapshot, &pe); fOk; fOk = Process32Next(hSnapshot, &pe)){TCHAR szProcessName[MAX_PATH] = {0};GetProcessFullPath(pe.th32ProcessID, szProcessName);}return 0;
}

截图

参考

https://bbs.csdn.net/topics/390937481