用 API 提取、写入指定网站的 Cookie - 回复 "bangrj" 的问题
问题来源: http://www.cnblogs.com/del/archive/2009/02/27/1399526.html#1463307
本例效果图:
代码文件:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Button3: TButton;
Button4: TButton;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
uses WinInet;
const url = 'http://www.sohu.com';
procedure TForm1.Button1Click(Sender: TObject);
var
buf: array[0..1024*4-1] of Char;
size: DWORD;
begin
InternetGetCookie(PChar(url), nil, buf, size);
ShowMessage(buf);
end;
procedure TForm1.Button2Click(Sender: TObject);
var
buf: array[0..255] of Char;
size: DWORD;
begin
InternetGetCookie(PChar(url), 'YYID', buf, size);
ShowMessage(buf);
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
InternetSetCookie(PChar(url), 'WanYi', '1234567');
end;
procedure TForm1.Button4Click(Sender: TObject);
var
buf: array[0..255] of Char;
size: DWORD;
begin
InternetGetCookie(PChar(url), 'WanYi', buf, size);
ShowMessage(buf);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Button1.Caption := '提取指定网站 Cookie 的全部数据';
Button2.Caption := '提取指定网站 Cookie 中的指定数据';
Button3.Caption := '向指定网站写入 Cookie';
Button4.Caption := '再提取刚写入的 Cookie';
end;
end.
窗体文件:
object Form1: TForm1
Left = 0
Top = 0
Caption = 'Form1'
ClientHeight = 146
ClientWidth = 328
Color = clBtnFace
Font.Charset = DEFAULT_CHARSET
Font.Color = clWindowText
Font.Height = -11
Font.Name = 'Tahoma'
Font.Style = []
OldCreateOrder = False
Position = poDesktopCenter
OnCreate = FormCreate
PixelsPerInch = 96
TextHeight = 13
object Button1: TButton
Left = 48
Top = 8
Width = 233
Height = 25
Caption = 'Button1'
TabOrder = 0
OnClick = Button1Click
end
object Button2: TButton
Left = 48
Top = 39
Width = 233
Height = 25
Caption = 'Button2'
TabOrder = 1
OnClick = Button2Click
end
object Button3: TButton
Left = 48
Top = 80
Width = 233
Height = 25
Caption = 'Button3'
TabOrder = 2
OnClick = Button3Click
end
object Button4: TButton
Left = 48
Top = 111
Width = 233
Height = 25
Caption = 'Button4'
TabOrder = 3
OnClick = Button4Click
end
end