using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Net;
using?System.IO;
using?System.Collections;
using?System.Web;

namespace?MyWebRequest
{
????public?partial?class?Form1?:?Form
????{
????????public?CookieContainer?cookieContainer;
????????protected?static?string?cookieheader;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????loadData（）;
????????}
????????private?void?loadData（）
????????{

?????????
????????????cookieContainer?=?new?CookieContainer（）;
????????????string?URI?=?“http://w9.s1.ab1999.net/login.php“;
????????????//?設置打開頁面的參數(shù)
?????????
????????????HttpWebRequest?request?=?WebRequest.Create（URI）?as?HttpWebRequest;
????????????request.Method?=?“GET“;
????????????request.KeepAlive?=?false;
????????????request.CookieContainer?=?cookieContainer;
????????????//?接收
????????????HttpWebResponse?response?=?request.GetResponse（）?as?HttpWebResponse;
????????????cookieContainer.Add（response.Cookies）;
????????????response.Close（）;

????????????URI?=?“http://w9.s1.ab1999.net/codeimg.php“;

????????????DowloadCheckImg（URI?cookieContainer）;
???????????

????????}

///?
??
///?下載驗證碼圖片并picturebox1顯示??
///?
??
///?驗證碼URL??
///?Cookies值??
public??bool?DowloadCheckImg（string?Url?CookieContainer?cookCon）
{
????bool?bol?=?true;
????HttpWebRequest?webRequest?=?（HttpWebRequest）WebRequest.Create（Url）;
????//屬性配置??

????webRequest.Credentials?=?System.Net.CredentialCache.DefaultCredentials;
??webRequest.Accept?=?“image/gif?image/x-xbitmap?image/jpeg?image/pjpeg?application/x-shockwave-flash?application/vnd.ms-excel?application/vnd.ms-powerpoint?application/msword?*/*“;
????webRequest.UserAgent?=?“Mozilla/4.0?（compatible;?MSIE?6.0;?Windows?NT?5.1;?SV1;?Maxthon;?.NET?CLR?1.1.4322）“;
???//?webRequest.ContentType?=?“application/x-www-form-urlencoded“;
????webRequest.Method?=?“GET“;
???//?webRequest.Headers.Add（“Accept-Language“?“zh-cn“）;
???//?webRequest.Headers.Add（“Accept-Encoding“?“gzipdeflate“）;
????webRequest.Referer?=?“http://w9.s1.ab1999.net/login.php“;
????webRequest.KeepAlive?=?false;
????webRequest.CookieContainer?=?cookieContainer;
????
????try
????{
????????//獲取服務器返回的資源??
????????using?（HttpWebResponse?webResponse?=?（HttpWebResponse）webRequest.GetResponse（））
????????{
??????????//??cookieContainer.Add（webResponse.Cookies）;
????????????using?（Stream?sream?=?webResponse.GetResponseStream（））
????????????{
????????????????pictureBox1.Image?=?System.Drawing.Image.FromStream（sream）;
????????????????
????????????}
????????}
????}
????catch?（WebException?ex）
????{
????????bol?=?false;
????}
????catch?（Exception?ex）
????{
????????bol?=?false;
????}
????return?bol;
}

????????//開始登錄
????????private?void?btnNext_Click（object?sender

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1128??2011-04-18?12:42??MyWebRequest\bin\Debug\image

?????文件?????212992??2011-04-18?12:25??MyWebRequest\bin\Debug\Interop.MSxml2.dll

?????文件?????139264??2011-04-18?22:50??MyWebRequest\bin\Debug\Interop.SHDocVw.dll

?????文件??????32768??2011-04-19?09:29??MyWebRequest\bin\Debug\MyWebRequest.exe

?????文件??????44544??2011-04-19?09:29??MyWebRequest\bin\Debug\MyWebRequest.pdb

?????文件???????5632??2011-04-19?09:29??MyWebRequest\bin\Debug\MyWebRequest.vshost.exe

?????文件??????12125??2011-04-19?00:06??MyWebRequest\Form1.cs

?????文件???????9395??2011-04-18?23:12??MyWebRequest\Form1.Designer.cs

?????文件???????5814??2011-04-18?23:12??MyWebRequest\Form1.resx

?????文件???????4164??2011-04-19?09:28??MyWebRequest\FrmAfterLogin.cs

?????文件???????5219??2011-04-19?00:58??MyWebRequest\FrmAfterLogin.Designer.cs

?????文件???????5814??2011-04-19?00:58??MyWebRequest\FrmAfterLogin.resx

?????文件???????4636??2011-04-18?23:12??MyWebRequest\MyWebRequest.csproj

?????文件????????604??2011-04-17?23:43??MyWebRequest\MyWebRequest.csproj.user

?????文件?????212992??2011-04-18?12:25??MyWebRequest\obj\Debug\Interop.MSxml2.dll

?????文件?????139264??2011-04-18?22:50??MyWebRequest\obj\Debug\Interop.SHDocVw.dll

?????文件????????973??2011-04-19?00:58??MyWebRequest\obj\Debug\MyWebRequest.csproj.GenerateResource.Cache

?????文件????????542??2011-04-18?22:50??MyWebRequest\obj\Debug\MyWebRequest.csproj.ResolveComReference.cache

?????文件??????32768??2011-04-19?09:29??MyWebRequest\obj\Debug\MyWebRequest.exe

?????文件????????180??2011-04-18?23:12??MyWebRequest\obj\Debug\MyWebRequest.Form1.resources

?????文件????????180??2011-04-19?00:58??MyWebRequest\obj\Debug\MyWebRequest.FrmAfterLogin.resources

?????文件??????44544??2011-04-19?09:29??MyWebRequest\obj\Debug\MyWebRequest.pdb

?????文件????????180??2011-04-18?23:12??MyWebRequest\obj\Debug\MyWebRequest.Properties.Resources.resources

?????文件????????180??2011-04-18?23:12??MyWebRequest\obj\Debug\MyWebRequest.validateCode.resources

?????文件???????1447??2011-04-19?09:29??MyWebRequest\obj\MyWebRequest.csproj.FileListAbsolute.txt

?????文件????????471??2011-04-19?09:29??MyWebRequest\Program.cs

?????文件???????1172??2011-04-17?22:36??MyWebRequest\Properties\AssemblyInfo.cs

?????文件???????2880??2011-04-17?22:36??MyWebRequest\Properties\Resources.Designer.cs

?????文件???????5350??2011-04-17?22:36??MyWebRequest\Properties\Resources.resx

?????文件???????1097??2011-04-17?22:36??MyWebRequest\Properties\Settings.Designer.cs

............此處省略17個文件信息