1、
子进程(VC6代码):
1 #include <windows.h> 2 #include <stdio.h> 3 4 #include<iostream> 5 using namespace std; 6 7 int main() 8 { 9 //* 10 printf("_console_vc6(1) : %d\n", ::GetTickCount()); 11 fflush(stdout); // 强制 printf 输出 12 Sleep(1000); 13 printf("_console_vc6(2) : %d\n", ::GetTickCount()); 14 fflush(stdout); // 强制 printf 输出 15 //*/ 16 /* 17 cout << "_console_vc6(3) : " << ::GetTickCount() << endl; 18 Sleep(1000); 19 cout << "_console_vc6(4) : " << ::GetTickCount() << endl; 20 //*/ 21 return 0; 22 }
2、
父进程(Delphi代码):
1 function TfrmMain.ExecDosCmd :boolean; 2 var sa :SECURITY_ATTRIBUTES; 3 si :STARTUPINFO; 4 pi :PROCESS_INFORMATION; 5 6 pcDosCmd :PChar; 7 hRead,hWrite :THandle; 8 cCommand :array[0..1023] of char; //长达1k的命令行,够用了吧 9 pcCommand1 :PChar; 10 cBuffer :array[0..4095] of char; //用4k的空间来存储输出的内容,只要不是显示文件内容,一般情况下是够用了。 11 bytesRead :DWORD; 12 dwExitCode :DWORD; 13 14 buf01 :array[0..4095] of char; 15 iLen01 :integer; 16 begin 17 Result := false; 18 //pcDosCmd := 'dir c:\'; //可以换成你的命令 19 //pcDosCmd := 'ping 192.168.2.1'; //可以换成你的命令 20 pcDosCmd := '_Console_Test_VC6.exe'; 21 22 sa.nLength := sizeof(SECURITY_ATTRIBUTES); 23 sa.lpSecurityDescriptor := nil; 24 sa.bInheritHandle := true; 25 if (not CreatePipe(hRead, hWrite, @sa, 0)) then 26 Exit; 27 28 pcCommand1 := 'Cmd.exe /C '; 29 ZeroMemory(@cCommand[0], length(cCommand)); 30 CopyMemory(@cCommand[0], pcCommand1, strlen(pcCommand1)); 31 CopyMemory(@cCommand[strlen(pcCommand1)], pcDosCmd, strlen(pcDosCmd)); 32 cCommand[strlen(pcCommand1) + strlen(pcDosCmd)] := chr(0); 33 34 si.cb := sizeof(STARTUPINFO); 35 GetStartupInfo(si); 36 si.hStdError := hWrite; //把创建进程的标准错误输出重定向到管道输入 37 si.hStdOutput := hWrite; //把创建进程的标准输出重定向到管道输入 38 si.wShowWindow := SW_HIDE; 39 si.dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES; 40 //关键步骤,CreateProcess函数参数意义请查阅MSDN 41 if (not CreateProcess(nil, cCommand, nil, nil, true, 0, nil, nil, si, pi)) then 42 begin 43 CloseHandle(hWrite); 44 CloseHandle(hRead); 45 Exit; 46 end; 47 CloseHandle(hWrite); 48 49 iLen01 := 0; 50 { 51 while (true) do 52 begin 53 //ZeroMemory(@cBuffer[0], length(cBuffer)); 54 if (not ReadFile(hRead, cBuffer[0], 4095, bytesRead, nil)) then 55 break; 56 //cBuffer[bytesRead] := chr(0); 57 //cBuffer中就是执行的结果,可以保存到文本,也可以直接输出 58 //Memo1.Lines.Add(cBuffer); //这里是弹出对话框显示 59 CopyMemory(@buf01[iLen01], @cBuffer[0], bytesRead); 60 iLen01 := iLen01 + bytesRead; 61 end; 62 buf01[iLen01] := chr(0); 63 Memo1.Lines.Add(buf01); 64 } 65 while (true) do 66 begin 67 Sleep(2000); 68 ZeroMemory(@cBuffer[0], length(cBuffer)); 69 if (not ReadFile(hRead, cBuffer[0], 4095, bytesRead, nil)) then 70 break; 71 cBuffer[bytesRead] := chr(0); 72 //cBuffer中就是执行的结果,可以保存到文本,也可以直接输出 73 Memo1.Lines.Add(inttostr(GetTickCount)+' : '+cBuffer); //这里是弹出对话框显示 74 end; 75 76 CloseHandle(hRead); 77 Result := true; 78 79 dwExitCode := 0; 80 WaitForSingleObject(pi.hProcess, INFINITE); 81 Windows.GetExitCodeProcess(pi.hProcess, dwExitCode); 82 Memo1.Lines.Add('子进程 退出码 : '+inttostr(dwExitCode)); 83 end;
A