Mega Code Archive

 
Categories / Delphi / LAN Web TCP
 

Automatic fill out html forms with twebbrowser

{ To test this code put a TWebBrowser and A TButton component on the form } function FillForm(WebBrowser: TWebBrowser; FieldName: string; Value: string): Boolean; var i, j: Integer; FormItem: Variant; begin Result := False; //no form on document if WebBrowser.OleObject.Document.all.tags('FORM').Length = 0 then begin Exit; end; //count forms on document for I := 0 to WebBrowser.OleObject.Document.forms.Length - 1 do begin FormItem := WebBrowser.OleObject.Document.forms.Item(I); for j := 0 to FormItem.Length - 1 do begin try //when the fieldname is found, try to fill out if FormItem.Item(j).Name = FieldName then begin FormItem.Item(j).Value := Value; Result := True; end; except Exit; end; end; end; end; //When the document is complete try to fill out the field homepage with the url procedure TForm1.WebBrowser1DocumentComplete(Sender: TObject; const pDisp: IDispatch; var URL: OleVariant); begin if FillForm(WebBrowser1, 'homepage', 'http://www.swissdelphicenter.ch') = False then ShowMessage('Error. Field not available or no Form found.'); end; // Show the Webbrowser-Progress in Label1 procedure TForm1.WebBrowser1ProgressChange(Sender: TObject; Progress, ProgressMax: Integer); begin if ProgressMax = 0 then begin label1.Caption := ''; Exit; end; try if (Progress <> -1) and (Progress <= ProgressMax) then label1.Caption := IntToStr((Progress * 100) div ProgressMax) + '% loaded...' else label1.Caption := ''; except on EDivByZero do Exit; end; end; //For example you can load the page /en/addtip.php to the TWebBrowser //When the document is Complete the form where you can put your homepage //address is filled out procedure TForm1.Button1Click(Sender: TObject); begin Webbrowser1.Navigate('http://www.swissdelphicenter.ch/en/addtip.php'); // Show the Titel of the currently active Webpage in the titlebar // Den Titel der aktuellen Webseite in der Titeleiste anzeigen Caption := Webbrowser1.OleObject.Document.Title; end;