本文整理自网络，侵删。
function CallCmd(CommandStr: string): string;
const
ReadBuffer = 4096;
var
Security: TSecurityAttributes;
si: TStartUpInfo;
pi: PROCESS_INFORMATION;
hRead, hWrite: THandle;
len: DWORD;
ExitCode: DWORD;
Buffer: PAnsiChar;
hProcess: Integer;
begin
with Security do
begin
nlength := SizeOf(TSecurityAttributes);
binherithandle := true;
lpsecuritydescriptor := nil;
end;
if not Createpipe(hRead, hWrite, @Security, 0) then
begin
ShowMessage('Pipe Create Error 0x01');
end;
//GetStartupInfo(si);
FillChar(si,Sizeof(si), #0);
with si do
begin
cb := SizeOf(si);
dwFlags := STARTF_USESTDHANDLES or STARTF_USESHOWWINDOW;
wShowWindow := SW_HIDE;
hStdOutput := hWrite;
hStdError := hWrite;
end;
if not CreateProcess(nil, PWideChar('cmd.exe /c ' + CommandStr), 0, 0, TRUE, 0, 0, 0, si, pi) then
begin
ShowMessage('Create Process Error');
end;
CloseHandle(hWrite);
Buffer := AllocMem(ReadBuffer + 1);
while True do
begin
PeekNamedPipe(hRead, 0, 0, 0, @len, 0);
if len <> 0 then
begin
ReadFile(hRead, Buffer[0], ReadBuffer, dword(len), nil);
{out date}
with Form1.mmo1 do
begin
Lines.Text := Lines.Text + Buffer;
SelStart := Length(Lines.Text);
SelLength := 0;
end;
end
else
begin
//Break;
GetExitCodeProcess(pi.hProcess, ExitCode);
if ExitCode <> STILL_ACTIVE then
begin
CloseHandle(hRead);
Break;
end;
end;
end;
end;
https://www.cnblogs.com/YiShen/p/9750507.html
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