数据传输之Intranet

     大数据量文本通过Net use方式可以实现文件传输：

public  class UpfileHelper
    {

        /// <summary>
        /// 内网上传ECC Invoice
        /// </summary>
        /// <param name="path_ECCInvoice">ECCInvoice的路径</param>

             public static void UploadECCInvoice_Intranet(string path_ECCInvoice)
        {
            string destinationFile = @"C:\tempFile\serviceDetails.json";//要上传的文件
            bool status = false;
            //连接  
            /
            string serverFolder = @"\user-PCsharefile";//用户文件夹子
              
            string PWD = "password";
            status = connectState(serverFolder, "Administrator", PWD);//Administrator   服务器登录
            if (status)
            {
                //共享文件夹的目录  
                DirectoryInfo theFolder = new DirectoryInfo(serverFolder);
                string filename = theFolder.ToString();
                //执行方法   

                TransportRemoteToServer(serverFolder + @"", destinationFile, "serviceDetails.json");    //实现将远程服务器文件写入到本地  

            }
            else
            {
               // MessageBox.Show("连接服务器失败！");
            }

        }
        /// <summary>  
        /// 从本地上传文件至服务器
        /// </summary>  
        /// <param name="src">远程服务器路径（共享文件夹路径）</param>  
        /// <param name="dst">本地文件夹路径</param>  
        /// <param name="fileName">上传至服务器上的文件名，包含扩展名</param>  
        public static void TransportRemoteToServer(string src, string dst, string fileName)
        {
            //if (!Directory.Exists(dst))
            //{
            //    Directory.CreateDirectory(dst);
            //}
            src = src + fileName;
            FileStream inFileStream = new FileStream(src, FileMode.OpenOrCreate);    //从远程服务器下载到本地的文件 

            FileStream outFileStream = new FileStream(dst, FileMode.Open);    //远程服务器文件  此处假定远程服务器共享文件夹下确实包含本文件，否则程序报错  

            byte[] buf = new byte[outFileStream.Length];

            int byteCount;

            while ((byteCount = outFileStream.Read(buf, 0, buf.Length)) > 0)
            {

                inFileStream.Write(buf, 0, byteCount);

            }

            inFileStream.Flush();

            inFileStream.Close();

            outFileStream.Flush();

            outFileStream.Close();

        }

        /// <summary>  
        /// 连接远程共享文件夹  
        /// </summary>  
        /// <param name="path">远程共享文件夹的路径</param>  
        /// <param name="userName">用户名</param>  
        /// <param name="passWord">密码</param>  
        /// <returns></returns>  
        public static bool connectState(string path, string userName, string passWord)
        {
            bool Flag = false;
            Process proc = new Process();
            try
            {
                proc.StartInfo.FileName = "cmd.exe";
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.RedirectStandardInput = true;
                proc.StartInfo.RedirectStandardOutput = true;
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.CreateNoWindow = true;
                proc.Start();
                proc.StandardInput.WriteLine("net use * /del /y");
                string dosLine = "net use " + path + " " + passWord + " /user:" + userName;
                proc.StandardInput.WriteLine(dosLine);
                proc.StandardInput.WriteLine("exit");
                while (!proc.HasExited)
                {
                    proc.WaitForExit(1000);
                }
                string errormsg = proc.StandardError.ReadToEnd();
                proc.StandardError.Close();
                if (string.IsNullOrEmpty(errormsg))
                {
                    Flag = true;
                }
                else
                {
                    throw new Exception(errormsg);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                proc.Close();
                proc.Dispose();
            }
            return Flag;
        }
    }