reqFTP.UsePassive = false;

        /// <summary>

        /// 上传

        /// </summary>

        public static void Upload(string filename)

        {

            FileInfo fileInf = new FileInfo(filename);

            FtpWebRequest reqFTP;

            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + fileInf.Name));

            reqFTP.Credentials = new NetworkCredential(FtpUserID, FtpPassword);

            reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
　　　　　　　//增加这句话

            reqFTP.UsePassive = false;

            reqFTP.KeepAlive = false;

            reqFTP.UseBinary = true;

            reqFTP.ContentLength = fileInf.Length;

            int buffLength = ;

            byte[] buff = new byte[buffLength];

            int contentLen;

            FileStream fs = fileInf.OpenRead();

            try

            {

                Stream strm = reqFTP.GetRequestStream();

                contentLen = fs.Read(buff, , buffLength);

                while (contentLen != )

                {

                    strm.Write(buff, , contentLen);

                    contentLen = fs.Read(buff, , buffLength);

                }

                strm.Close();

                fs.Close();

            }

            catch (Exception ex)

            {

                throw new Exception(ex.Message);

            }

        }