获取网站验证码的图片文件解决办法

uses
  ActiveX,ComObj;
procedure TfrmMain.FormCreate(Sender: TObject);
begin
  OleInitialize(nil);
end;

procedure TfrmMain.DomImg2Image(wb:TWebBrowser);
var
  i:Integer;
  rang:IHTMLControlRange;
  s:string;
begin
  try
  //pic是图片的节点(层)名称，你打开源代码看一下，替换成你的就行了
  s := (IHTMLDocument2(wb.Document).images.item('pic',EmptyParam) as IHTMLElement).getAttribute('src',0);
  //showmessage(s);
      rang:=((IHTMLDocument2(wb.Document).body as HTMLBody).createControlRange)as
        IHTMLControlRange;
      rang.add(IHTMLDocument2(wb.Document).images.item('pic',EmptyParam)as
        IHTMLControlElement);
      rang.execCommand('Copy',False,0);
      image1.Picture.Assign(ClipBoard);
  except
  end;
end;

procedure TfrmMain.FormDestroy(Sender: TObject);
begin
  OleUninitialize;
end;

------解决方案--------------------

Delphi(Pascal) code

//用到了IndyHTTP  即FHTTP

procedure Mypost.getvcode;
  var
  Img : TMemoryStream;
  jpeg : TJPEGImage;
  HTML: TStringstream;
  str:string;
  begin
  img:=Tmemorystream.Create;
  jpeg:=TJpegimage.Create;
  HTML:=TStringstream.Create;
  Fhttp.Request.Referer :=;
  Fhttp.Get('http://58.27.8.3/img?',img);
  img.Position  :=0;
  jpeg.LoadFromStream(img);
  Form1.Image1.Picture.assign(jpeg);

  jpeg.Free ;
  img.Free ;
  HTML.Free;

  end;