delphi cmd(4个例子都是通过管道取得)
- //K8执行DOS并返回结果
- function RunDosCommand(Command: string): string;
- var
- hReadPipe: THandle;
- hWritePipe: THandle;
- SI: TStartUpInfo;
- PI: TProcessInformation;
- SA: TSecurityAttributes;
- // SD : TSecurityDescriptor;
- BytesRead: DWORD;
- Dest: array[0..1023] of char;
- CmdLine: array[0..512] of char;
- TmpList: TStringList;
- Avail, ExitCode, wrResult: DWORD;
- osVer: TOSVERSIONINFO;
- tmpstr: string;
- begin
- osVer.dwOSVersionInfoSize := Sizeof(TOSVERSIONINFO);
- GetVersionEX(osVer);
- if osVer.dwPlatformId = VER_PLATFORM_WIN32_NT then
- begin
- // InitializeSecurityDescriptor(@SD, SECURITY_DESCRIPTOR_REVISION);
- // SetSecurityDescriptorDacl(@SD, True, nil, False);
- SA.nLength := SizeOf(SA);
- SA.lpSecurityDescriptor := nil; //@SD;
- SA.bInheritHandle := True;
- CreatePipe(hReadPipe, hWritePipe, @SA, 0);
- end
- else
- CreatePipe(hReadPipe, hWritePipe, nil, 1024);
- try
- FillChar(SI, SizeOf(SI), 0);
- SI.cb := SizeOf(TStartUpInfo);
- SI.wShowWindow := SW_HIDE;
- SI.dwFlags := STARTF_USESHOWWINDOW;
- SI.dwFlags := SI.dwFlags or STARTF_USESTDHANDLES;
- SI.hStdOutput := hWritePipe;
- SI.hStdError := hWritePipe;
- StrPCopy(CmdLine, Command);
- if CreateProcess(nil, CmdLine, nil, nil, True, NORMAL_PRIORITY_CLASS, nil, nil, SI, PI) then
- begin
- ExitCode := 0;
- while ExitCode = 0 do
- begin
- wrResult := WaitForSingleObject(PI.hProcess, 500);
- // if PeekNamedPipe(hReadPipe, nil, 0, nil, @Avail, nil) then
- if PeekNamedPipe(hReadPipe, @Dest[0], 1024, @Avail, nil, nil) then
- begin
- if Avail > 0 then
- begin
- TmpList := TStringList.Create;
- try
- FillChar(Dest, SizeOf(Dest), 0);
- ReadFile(hReadPipe, Dest[0], Avail, BytesRead, nil);
- TmpStr := Copy(Dest, 0, BytesRead - 1);
- TmpList.Text := TmpStr;
- Result := tmpstr;
- finally
- TmpList.Free;
- end;
- end;
- end;
- if wrResult <> WAIT_TIMEOUT then ExitCode := 1;
- end;
- GetExitCodeProcess(PI.hProcess, ExitCode);
- CloseHandle(PI.hProcess);
- CloseHandle(PI.hThread);
- end;
- finally
- CloseHandle(hReadPipe);
- CloseHandle(hWritePipe);
- end;
- end;
- //002
- function RunCommand(const cmd: string): string;
- var
- hReadPipe,hWritePipe:THandle;
- si:STARTUPINFO;
- lsa:SECURITY_ATTRIBUTES;
- pi:PROCESS_INFORMATION;
- cchReadBuffer:DWORD;
- pOutStr, pCMD:PChar;
- res, strCMD:string;
- begin
- strcmd := 'cmd.exe /k ' + cmd;
- pOutStr := AllocMem(5000);
- lsa.nLength := SizeOf(SECURITY_ATTRIBUTES);
- lsa.lpSecurityDescriptor := nil;
- lsa.bInheritHandle := True;
- if not CreatePipe(hReadPipe, hWritePipe, @lsa, 0) then Exit;
- FillChar(si, SizeOf(STARTUPINFO), 0);
- si.cb:=sizeof(STARTUPINFO);
- si.dwFlags:=(STARTF_USESTDHANDLES or STARTF_USESHOWWINDOW);
- si.wShowWindow:=SW_HIDE;
- si.hStdOutput:=hWritePipe;
- if not CreateProcess(nil, PChar(strCMD), nil, nil, true, 0, nil, nil, si, pi) then Exit;
- while(true) do
- begin
- if not PeekNamedPipe(hReadPipe, pOutStr, 1, @cchReadBuffer, nil, nil) then break;
- if cchReadBuffer <> 0 then
- begin
- if not ReadFile(hReadPipe, pOutStr^, 4096, cchReadBuffer, nil) then break;
- pOutStr[cchReadbuffer]:=chr(0);
- //if @Show <> nil then Show(pOutStr);
- res := res + pOutStr;
- end else if(WaitForSingleObject(pi.hProcess ,0) = WAIT_OBJECT_0) then break;
- Sleep(10);
- Application.ProcessMessages;
- end;
- pOutStr[cchReadBuffer]:=chr(0);
- CloseHandle(hReadPipe);
- CloseHandle(pi.hThread);
- CloseHandle(pi.hProcess);
- CloseHandle(hWritePipe);
- FreeMem(pOutStr);
- Result := res;
- end;
- //003
- procedure CmdExecAndView(FileName: string; memo: TMemo);
- procedure _AddInfo(mmInfo:TMemo; S: string; var line: string);
- var
- i, p: Integer;
- begin
- if mmInfo.Lines.Count > 800 then
- mmInfo.Lines.Clear;
- //去掉 \r
- for i := 0 to Length(S) - 1 do
- if S[i] = #13 then S[i] := ' ';
- line := line + S;
- // \n 断行
- p := Pos(#10, line);
- if p > 0 then
- begin
- // \n 前面的加入一行,后面的留到下次
- mmInfo.Lines.Add(Copy(line, 1, p - 1));
- line := Copy(line, p + 1, Length(line) - p);
- end;
- end;
- var
- hReadPipe, hWritePipe: THandle;
- si: STARTUPINFO;
- lsa: SECURITY_ATTRIBUTES;
- pi: PROCESS_INFORMATION;
- cchReadBuffer: DWORD;
- ph: PChar;
- fname: PChar;
- line: string;
- begin
- fname := allocmem(1024);
- ph := AllocMem(1024);
- lsa.nLength := sizeof(SECURITY_ATTRIBUTES);
- lsa.lpSecurityDescriptor := nil;
- lsa.bInheritHandle := True;
- if CreatePipe(hReadPipe, hWritePipe, @lsa, 0) = false then
- Exit;
- fillchar(si, sizeof(STARTUPINFO), 0);
- si.cb := sizeof(STARTUPINFO);
- si.dwFlags := (STARTF_USESTDHANDLES or STARTF_USESHOWWINDOW);
- si.wShowWindow := SW_HIDE;
- si.hStdOutput := hWritePipe;
- si.hStdError := hWritePipe;
- StrPCopy(fname, FileName);
- if CreateProcess(nil, fname, nil, nil, true, 0, nil, nil, si, pi) = False then
- begin
- FreeMem(ph);
- FreeMem(fname);
- Exit;
- end;
- CloseHandle(hWritePipe);
- while (true) do
- begin
- if not PeekNamedPipe(hReadPipe, ph, 1, @cchReadBuffer, nil, nil) then break;
- if cchReadBuffer <> 0 then
- begin
- if ReadFile(hReadPipe, ph^, 512, cchReadBuffer, nil) = false then break;
- ph[cchReadbuffer] := chr(0);
- _AddInfo(memo, ph, line);
- end
- else if (WaitForSingleObject(pi.hProcess, 0) = WAIT_OBJECT_0) then break;
- Application.ProcessMessages;
- Sleep(200);
- end;
- ph[cchReadBuffer] := chr(0);
- _AddInfo(memo, ph, line);
- CloseHandle(hReadPipe);
- CloseHandle(pi.hThread);
- CloseHandle(pi.hProcess);
- FreeMem(ph);
- FreeMem(fname);
- end;
- //004
- var
- hReadPipe,hWritePipe:THandle;
- si:STARTUPINFO;
- lsa:SECURITY_ATTRIBUTES;
- pi:PROCESS_INFORMATION;
- mDosScreen:String;
- cchReadBuffer:DWORD;
- ph:PChar;
- fname:PChar;
- i,j:integer;
- begin
- fname:=allocmem(255);
- ph:=AllocMem(5000);
- lsa.nLength :=sizeof(SECURITY_ATTRIBUTES);
- lsa.lpSecurityDescriptor :=nil;
- lsa.bInheritHandle :=True;
- if CreatePipe(hReadPipe,hWritePipe,@lsa,0)=false then
- begin
- ShowMessage('Can not create pipe!');
- exit;
- end;
- fillchar(si,sizeof(STARTUPINFO),0);
- si.cb :=sizeof(STARTUPINFO);
- si.dwFlags :=(STARTF_USESTDHANDLES or STARTF_USESHOWWINDOW);
- si.wShowWindow :=SW_HIDE;
- si.hStdOutput :=hWritePipe;
- StrPCopy(fname,EditFilename.text);
- if CreateProcess( nil, fname, nil, nil, true, 0, nil, nil, si, pi) = False then
- begin
- ShowMessage('can not create process');
- FreeMem(ph);
- FreeMem(fname);
- Exit;
- end;
- while(true) do
- begin
- if not PeekNamedPipe(hReadPipe,ph,1,@cchReadBuffer,nil,nil) then break;
- if cchReadBuffer<>0 then
- begin
- if ReadFile(hReadPipe,ph^,4096,cchReadBuffer,nil)=false then break;
- ph[cchReadbuffer]:=chr(0);
- Memo1.Lines.Add(ph);
- end
- else if(WaitForSingleObject(pi.hProcess ,0)=WAIT_OBJECT_0) then break;
- Sleep(100);
- end;
- ph[cchReadBuffer]:=chr(0);
- Memo1.Lines.Add(WideCharToString(ph));
- CloseHandle(hReadPipe);
- CloseHandle(pi.hThread);
- CloseHandle(pi.hProcess);
- CloseHandle(hWritePipe);
- FreeMem(ph);
- FreeMem(fname);
- end;
http://blog.csdn.net/earbao/article/details/21160033
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