本例效果图:
代码文件:
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 bgcolor=#ff0000>' +
'<form method="POST" action="http://del.cnblogs.com">' +
'<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.
窗体文件:
object Form1: TForm1
Left = 0
Top = 0
Caption = 'Form1'
ClientHeight = 152
ClientWidth = 625
Color = clBtnFace
Font.Charset = DEFAULT_CHARSET
Font.Color = clWindowText
Font.Height = -11
Font.Name = 'Tahoma'
Font.Style = []
OldCreateOrder = False
OnCreate = FormCreate
PixelsPerInch = 96
TextHeight = 13
object WebBrowser1: TWebBrowser
Left = 8
Top = 8
Width = 360
Height = 105
TabOrder = 0
ControlData = {
4C00000035250000DA0A00000000000000000000000000000000000000000000
000000004C000000000000000000000001000000E0D057007335CF11AE690800
2B2E126208000000000000004C0000000114020000000000C000000000000046
8000000000000000000000000000000000000000000000000000000000000000
00000000000000000100000000000000000000000000000000000000}
end
object Button1: TButton
Left = 8
Top = 120
Width = 148
Height = 25
Caption = 'Button1'
TabOrder = 1
OnClick = Button1Click
end
object Button2: TButton
Left = 162
Top = 119
Width = 148
Height = 25
Caption = 'Button2'
TabOrder = 2
OnClick = Button2Click
end
object Button3: TButton
Left = 316
Top = 119
Width = 148
Height = 25
Caption = 'Button3'
TabOrder = 3
OnClick = Button3Click
end
object Button4: TButton
Left = 470
Top = 120
Width = 148
Height = 25
Caption = 'Button4'
TabOrder = 4
OnClick = Button4Click
end
end