html - 如何在 html 页面中找到带有 "value"的按钮(Webbrowser - Delphi)

Question

我有一个 html 页面，它有 3 个表单和 3 个提交按钮。按钮没有名字，但它们有值(value):

<input type="submit" VALUE="Login">

如何找到这个按钮及其值并点击它？

谢谢

Answer 1

procedure TForm1.Button1Click(Sender: TObject);
var 
  ovElements: OleVariant; 
  i: Integer; 
begin 
  ovElements := WebBrowser1.OleObject.Document.forms.item(0).elements; 
  for i := 0 to (ovElements.Length - 1) do
    if (ovElements.item(i).tagName = 'INPUT') and
      (ovElements.item(i).type = 'SUBMIT') and
  (ovElements.item(i).Value = 'Login') then
      ovElements.item(i).Click; 
end;