使用CreateProcess执行命令行

最新推荐文章于 2025-03-11 09:15:00 发布

原创最新推荐文章于 2025-03-11 09:15:00 发布 · 6k 阅读

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本文深入探讨了使用BOOL函数执行命令的过程，包括获取系统目录、构造命令字符串、创建进程以及等待进程结束等关键步骤。

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BOOL
	ExecuteCommand(
	IN LPTSTR lpCommand
	)
{
	BOOL				bRet					= FALSE;

	UINT				uResult					= 0;
	TCHAR				CommandLine[MAX_PATH]	= {0};
	STARTUPINFO			StartupInfo				= {0};
	PROCESS_INFORMATION	ProcessInfo				= {0};


	__try
	{
		uResult = GetSystemDirectory(CommandLine, MAX_PATH);
		if (!uResult)
		{
			printf("[ExecuteCommand] : GetSystemDirectory failed. (%d) \n", GetLastError());
			__leave;
		}

		_tcscat_s(CommandLine, MAX_PATH, _T("\\cmd.exe /c "));
		_tcscat_s(CommandLine, MAX_PATH, lpCommand);

		StartupInfo.cb = sizeof(STARTUPINFO);
		StartupInfo.dwFlags = STARTF_USESHOWWINDOW;
		StartupInfo.wShowWindow = SW_HIDE;

		bRet = CreateProcess(NULL, CommandLine, NULL, NULL, FALSE, CREATE_NO_WINDOW, NULL, NULL, &StartupInfo, &ProcessInfo);
		if (!bRet)
		{
			printf("[ExecuteCommand] : CreateProcess failed. (%d) \n", GetLastError());
			__leave;
		}
	
		if (ProcessInfo.hProcess)
		{
			// 是cmd的句柄
			WaitForSingleObject(ProcessInfo.hProcess, INFINITE);
		}
	}
	__finally
	{
		if (ProcessInfo.hProcess)
			CloseHandle(ProcessInfo.hProcess);

		if (ProcessInfo.hThread)
			CloseHandle(ProcessInfo.hThread);
	}
	return bRet;
}