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;
ListBox1: TListBox;
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
{控件初始化}
procedure TForm1.FormCreate(Sender: TObject);
begin
WebBrowser1.Align := alTop;
WebBrowser1.Navigate('');
ListBox1.Align := alClient;
Button1.Caption := '提取网页所有链接地址';
Button2.Caption := '提取网页所有链接文本';
Button3.Caption := '模拟点击指定的链接';
end;
{提取网页所有链接地址}
procedure TForm1.Button1Click(Sender: TObject);
var
i: Integer;
begin
ListBox1.Clear;
for i := 0 to WebBrowser1.OleObject.document.anchors.Length - 1 do
ListBox1.Items.Add(WebBrowser1.OleObject.document.anchors.item(i).href);
end;
{提取网页所有链接文本}
procedure TForm1.Button2Click(Sender: TObject);
var
i: Integer;
begin
ListBox1.Clear;
for i := 0 to WebBrowser1.OleObject.document.anchors.Length - 1 do
ListBox1.Items.Add(WebBrowser1.OleObject.document.anchors.item(i).innerText);
end;
{模拟点击指定的链接}
procedure TForm1.Button3Click(Sender: TObject);
begin
// WebBrowser1.OleObject.document.anchors.item(0).click; {假如是第一个链接}
if ListBox1.ItemIndex <> -1 then
WebBrowser1.OleObject.document.anchors.item(ListBox1.ItemIndex).click;
ListBox1.Clear;
end;
end.
窗体文件:
object Form1: TForm1
Left = 0
Top = 0
Caption = 'Form1'
ClientHeight = 229
ClientWidth = 626
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 ListBox1: TListBox
Left = 8
Top = 127
Width = 185
Height = 130
ItemHeight = 13
TabOrder = 4
end
object WebBrowser1: TWebBrowser
Left = 8
Top = 8
Width = 300
Height = 113
TabOrder = 0
ControlData = {
4C000000021F0000AE0B00000000000000000000000000000000000000000000
000000004C000000000000000000000001000000E0D057007335CF11AE690800
2B2E126208000000000000004C0000000114020000000000C000000000000046
8000000000000000000000000000000000000000000000000000000000000000
00000000000000000100000000000000000000000000000000000000}
end
object Button1: TButton
Left = 451
Top = 127
Width = 151
Height = 25
Caption = 'Button1'
TabOrder = 1
OnClick = Button1Click
end
object Button2: TButton
Left = 451
Top = 158
Width = 151
Height = 25
Caption = 'Button2'
TabOrder = 2
OnClick = Button2Click
end
object Button3: TButton
Left = 451
Top = 189
Width = 151
Height = 25
Caption = 'Button3'
TabOrder = 3
OnClick = Button3Click
end
end