public static bool login(string user, string passwd,bool isuseproxy,WebProxy proxy)
        {
            string text1 = "http://login.xiaonei.com/Login.do";
            string[] textArray1 = new string[5] { "email=", user, "&password=", passwd, "&origURL=http%3A%2F%2Fwww.xiaonei.com%2FSysHome.do&submit=%E7%99%BB%E5%BD%95" };
            string text2 = string.Concat(textArray1);
            HttpWebRequest request1 = (HttpWebRequest)WebRequest.Create(text1);
            request1.Method = "POST";
            request1.KeepAlive = true;
            request1.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1";
            request1.ContentType = "application/x-www-form-urlencoded";
            request1.AllowAutoRedirect = true;
            if (proxy != null && isuseproxy != false)
            {
                request1.Proxy = proxy;
            }            
            request1.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/msword, application/x-shockwave-flash, */*";
            CookieContainer container1 = new CookieContainer();
            request1.CookieContainer = container1;
            Stream stream1 = request1.GetRequestStream();
            StreamWriter writer1 = new StreamWriter(stream1, Encoding.ASCII);
            writer1.Write(text2);
            writer1.Close();
            stream1.Close();
            HttpWebResponse response1 = (HttpWebResponse)request1.GetResponse();
            Program.cookie = request1.CookieContainer.GetCookieHeader(new Uri("http://login.xiaonei.com/Login.do"));
            Encoding encoding1 = Encoding.GetEncoding("utf-8");
            Stream stream2 = response1.GetResponseStream();
            StreamReader reader1 = new StreamReader(stream2, encoding1);
            StringBuilder builder1 = new StringBuilder();
            while (reader1.Peek() != -1)
            {
                builder1.Append(reader1.ReadLine());
            }
            string text3 = builder1.ToString();
            request1.Abort();
            Match match1 = Regex.Match(text3, "<title>.*</title>");
            if ((match1.Length >= 1) && (match1.Value != "<title>\u6821\u5185\u7f51 - \u767b\u5f55</title>"))
            {
                Match match2 = Regex.Match(text3, "id=[0-9]{8,9}.*\u9996\u9875");
                if (match2.Length >= 1)
                {
                    Match match3 = Regex.Match(match2.Value, "[0-9]{8,9}");
                    if (match3.Length >= 1)
                    {
                        Program.selfID = match3.Value;
                    }
                }
                return true;
            }
            return false;
        }

        public static WebProxy setWebPorxy(string Uri, int port, string uid, string pwd)
        {
            WebProxy myProxy = new WebProxy(Uri, port);
            try
            {
                if (Uri.Length > 0)
                {
                    myProxy.Credentials = new NetworkCredential(uid, pwd,"acc");
                }
                else
                {
                    return null;
                }

            }
            catch
            {
                return null;
            }
            return myProxy;
        }