C# FTP上传文件时出现"应 PASV 命令的请求,服务器返回了一个与 FTP 连接地址不同的地址。"的错误

FTP上传文件时出现"应 PASV 命令的请求,服务器返回了一个与 FTP 连接地址不同的地址。"的错误

解决方法是在原代码上增加这句话

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);
            }
        }