Delphi中二进制文件数据存文件方法

//二进制存文件
function SaveFileByByteAr(AByteAr: TByteDynArray; AFileName: string): Boolean;
var
  LBuf: TMemoryStream;
begin
  Result  := false;
  LBuf := TMemoryStream.Create;
  try
    LBuf.SetSize(Length(AByteAr));
    Move(AByteAr[0], LBuf.memory^, Length(AByteAr));
    LBuf.Seek(0, soFromBeginning);
    LBuf.SaveToFile(AFileName);
    Result  := true;
  finally
    LBuf.Free;
  end;
end;

//流转二进制数据
function GetByteArByStream(AStream: TMemoryStream): TByteDynArray;
var
  Len: Integer;
begin
  Len := AStream.Size;
  SetLength(Result, Len);
  Move(AStream.Memory^, Result[0], Len);
end;