delphi之模拟点击网页中的按钮-CFANZ编程社区

unit Unit1;
interface
uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
   Dialogs, StdCtrls, OleCtrls, SHDocVw;type
   TForm1 = class(TForm)
     WebBrowser1: TWebBrowser;
     Button1: TButton;
     Button2: TButton;
     Button3: TButton;
     Button4: TButton;
     procedure FormCreate(Sender: TObject);
     procedure Button1Click(Sender: TObject);
     procedure Button4Click(Sender: TObject);
     procedure Button2Click(Sender: TObject);
     procedure Button3Click(Sender: TObject);
   end;var
   Form1: TForm1;implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
 begin
   WebBrowser1.Align := alTop;
   Button2.Enabled := False;
   Button3.Enabled := False;
   Button4.Enabled := False;
   Button1.Caption := '模拟一个页面';
   Button2.Caption := '假如知道按钮名称';
   Button3.Caption := '假如知道按钮的 ID';
   Button4.Caption := '假如只知道是第几个按钮';
 end;{模拟一个页面}
 procedure TForm1.Button1Click(Sender: TObject);
 begin
   WebBrowser1.Navigate(
     'about:<head><title>标题</title><body>' +
     '<form method="POST" action="'">http://www.nobird.org/">' +
     '<input type="submit" value="提交" id="btnID" name="btnName">' +
     '</form></body>');
   Button2.Enabled := True;
   Button3.Enabled := True;
   Button4.Enabled := True;
 end;{假如知道按钮名称, 譬如是: btnName}
 procedure TForm1.Button2Click(Sender: TObject);
 begin
   WebBrowser1.OleObject.document.all.item('btnName').click;
   //WebBrowser1.OleObject.document.all.item('btnName', 0).click;
   FormCreate(nil);
 end;{假如知道按钮的 ID, 譬如是: btnID}
 procedure TForm1.Button3Click(Sender: TObject);
 begin
   WebBrowser1.OleObject.document.getElementByID('btnID').click;
   FormCreate(nil);
 end;{假如只知道是第几个按钮, 譬如是第一个}
 procedure TForm1.Button4Click(Sender: TObject);
 begin
   WebBrowser1.OleObject.document.getElementsByTagName('input').item(0).click;
   FormCreate(nil);
 end;end.