VC创建子进程静默执行解压、转移等命令行

JerusalemSky 发表于 2021-1-6 16:24

本代码经过VS2019测试，调试了很久的命令，欢迎参考。

#include <iostream>

int testPopen()
{
std::string strCmd;
int iResult = 0;

   //测试解压PDX，然后将解压出来的jar文件和dll文件移动到jarFILE目录，然后删除解压目录
   std::string strPdxFullPath = ".\\1\\2\\3\\4\\5\\PDX\\202036_TT_0806000200_MD.pdx";
   std::string strFolderName = strPdxFullPath.substr(strPdxFullPath.find_last_of("\\") + 1, strPdxFullPath.size() - strPdxFullPath.find_last_of("\\") - 1 - 4);
   std::string strPdxFolder = strPdxFullPath.substr(0, strPdxFullPath.find_last_of("\\") + 1);

   std::string strPdxDIRFullName = ".\\1\\2\\3\\4\\5\\PDX\\" + strFolderName + "\\";
   std::string strJarDIRFullName = strPdxDIRFullName + "*.jar ";
   std::string strDllDIRFullName = strPdxDIRFullName + "*.dll ";
   std::string strFullExeCmd = "cmd.exe /C .\\1\\2\\3\\4\\7z.exe -y x \".\\1\\2\\3\\4\\5\\PDX\\*.pdx\" -o" + strPdxDIRFullName + " -aoa";//;

   strCmd += strFullExeCmd;
   //strCmd += " > myError.txt";

   //strCmd += "&&if exist \".\\jarFILE\\\" rd /s /q .\\jarFILE\\&&if not exist \".\\jarFILE\\\" mkdir .\\jarFILE\\";

   //strCmd += "&&rd / q / s \".\\jarFILE\\\"&&mkdir .\\jarFILE\\";
   //strCmd += "&&mkdir .\\jarFILE\\ -p";
   strCmd += " > myError.txt";

   strCmd += "&&move /y \"" + strDllDIRFullName + "\" \".\\jarFILE\\\"";
   strCmd += "&&move /y \"" + strJarDIRFullName + "\" \".\\jarFILE\\\"";
   strCmd += " > myError.txt";

   strCmd += "&&rmdir / s / q " + strPdxDIRFullName;
   strCmd += " > myError.txt";

strCmd += " > myError.txt";

SECURITY_ATTRIBUTES sa;
HANDLE hRead, hWrite;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
if (!CreatePipe(&hRead, &hWrite, &sa, 0))
{
   return -1;
}
STARTUPINFOA si;
PROCESS_INFORMATION pi;
si.cb = sizeof(STARTUPINFO);
GetStartupInfoA(&si);
si.hStdError = hWrite;
si.hStdOutput = hWrite;
si.wShowWindow = SW_HIDE;
si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
//关键步骤，CreateProcess函数参数意义请查阅MSDN

LPSTR lpStr = const_cast<char*>(strCmd.c_str());

if (!CreateProcessA(NULL, lpStr, NULL, NULL, TRUE, NULL, NULL, NULL, &si, &pi))
{
   return -1;
}

CloseHandle(hRead);

// 关闭子进程的主线程句柄
CloseHandle(pi.hThread);
// 等待子进程的退出
WaitForSingleObject(pi.hProcess, INFINITE);
// 关闭子进程句柄
CloseHandle(pi.hProcess);

return iResult;
}

兰陵笑笑生 发表于 2021-1-6 16:58

谢谢大佬，学习了

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VC创建子进程静默执行解压、转移等命令行