delphi IDHTTP登录网站教程代码-木庄网络博客

本文整理自网络，侵删。
 下面代码是delphi2010的，主要区别也就在于stringstream的 初使化，
Response := TStringStream.Create(”, TEncoding.UTF8); 改成
Response := TStringStream.Create(‘ ‘);
unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, IdBaseComponent, IdComponent, IdTCPConnection, IdTCPClient, IdHTTP,
  StdCtrls;
 
type
  TForm1 = class(TForm)
    mmo1: TMemo;
    btn1: TButton;
    IdHTTP1: TIdHTTP;
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Edit2: TEdit;
    procedure btn1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.btn1Click(Sender: TObject);
var
  code: string;
  done: Boolean;
  postList: TStrings;
  Response: TStringStream;
begin
  mmo1.clear;
 
  // 开始登录代码
  Response := TStringStream.Create('', TEncoding.UTF8);
  postList := TStringList.Create;
  try
    IdHTTP1.HandleRedirects := True;
 
    postList.add('cktime=31536000');
    postList.add('forward=');
    postList.add('hideid=0');
    postList.add('jumpurl=http://bbs.hualongxiang.com/index.php');
    postList.add('lgt=0');
    postList.add('pwpwd='+edit2.Text );
    postList.add('pwuser='+edit1.Text );
    postList.add('step=2');
    postList.add('submit=?');
 
    IdHTTP1.Post('http://bbs.hualongxiang.com/login.php?', postList, Response);
    done := True;
  except
    done := false;
  end;
 
  if (done) and (Pos('200 OK', IdHTTP1.ResponseText) <> 0) then
  begin
    code := IdHTTP1.Get('http://bbs.hualongxiang.com/index.php');
    mmo1.lines.add(code);
  end
  else
  begin
    mmo1.lines.add('logon error,error code：' + IdHTTP1.Response.RawHeaders.Text);
  end;
  Response.Free;
  postList.Free;
 
end;
 
 
 
end.
delphi IDHTTP登录网站教程代码

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