1 /// <summary> 2 /// 获取CookieCollection 3 /// </summary> 4 /// <param name="loginUrl"></param> 5 /// <param name="postdata"></param> 6 /// <param name="header"></param> 7 /// <returns></returns> 8        public static CookieCollection GetCookieCollection(string loginUrl, string postdata, HttpHeader header) 9        {10            HttpWebRequest request = null;11            HttpWebResponse response = null;12            try13            {14                CookieContainer cc = new CookieContainer();15                request = (HttpWebRequest)WebRequest.Create(loginUrl);16                request.Method = header.method;17                request.ContentType = header.contentType;18                byte[] postdatabyte = Encoding.UTF8.GetBytes(postdata);19                request.ContentLength = postdatabyte.Length;20                request.AllowAutoRedirect = false;21                request.CookieContainer = cc;22                request.KeepAlive = true;23 24                //提交请求25                Stream stream;26                stream = request.GetRequestStream();27                stream.Write(postdatabyte, 0, postdatabyte.Length);28                stream.Close();29 30                //接收响应31                response = (HttpWebResponse)request.GetResponse();32                response.Cookies = request.CookieContainer.GetCookies(request.RequestUri);33 34                CookieCollection cook = response.Cookies;35                //Cookie字符串格式36                string strcrook = request.CookieContainer.GetCookieHeader(request.RequestUri);37 38                return cook;39            }40            catch (Exception ex)41            {42 43                throw ex;44            }45        }

 1   [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)] 2  3         public static extern bool InternetSetCookie(string lpszUrlName, string lbszCookieName, string lpszCookieData); 4  5  6   HttpHeader header = new HttpHeader(); 7                 header.accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/x-silverlight, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml+xml, application/x-silverlight-2-b1, */*"; 8                 header.contentType = "application/x-www-form-urlencoded"; 9                 header.method = "POST";10                 header.userAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)";11                 header.maxTry = 300;12 13 14  CookieCollection mycookie = HTMLHelper.GetCookieCollection("http://www.renren.com/PLogin.do",15                     "email=aaa%40163.com&password=111&icode=&origURL=http%3A%2F%2Fwww.renren.com%2Fhome&domain=renren.com&key_id=1&_rtk=90484476", header);16 17 18  foreach (Cookie cookie in mycookie) //将cookie设置为浏览的cookie  19                 {20 21                     InternetSetCookie(22 23                          "http://" + cookie.Domain.ToString(),24 25                          cookie.Name.ToString(),26 27                          cookie.Value.ToString() + ";expires=Sun,22-Feb-2099 00:00:00 GMT");28 29                 }30                 System.Diagnostics.Process.Start("http://guide.renren.com/guide");