上传大文件到ftp C#

我正在使用此代码将大文件上传到 ftp 站点。

Code

using (FileStream fs = new FileStream(FileLoc, FileMode.Open, FileAccess.Read))
            {
                string ftpUrl = string.Format("{0}/{1}", uploadUrl, uploadFileName);
                FtpWebRequest requestObj = FtpWebRequest.Create(ftpUrl) as FtpWebRequest;
                requestObj.Method = WebRequestMethods.Ftp.UploadFile;
                requestObj.Credentials = new NetworkCredential(Uid, Pass);
                using (Stream requestStream = requestObj.GetRequestStream())
                {

                    byte[] buffer = new byte[8092];
                    int read = 0;

                    while ((read = fs.Read(buffer, 0, buffer.Length)) != 0)
                    {
                        requestStream.Write(buffer, 0, read);
                    }

                    requestStream.Flush();
                    if (fs != null)
                    {
                        fs.Close();
                        fs.Dispose();
                    }
                    if (requestStream != null)
                    {
                        requestStream.Close();
                        requestStream.Dispose();
                    }
                }
            }

有时，此代码加载文件非常好，但有时它加载文件的某些部分，而不是完整文件，并且不会给出任何错误。

任何人都可以帮助我为什么有时它只上传文件的一部分而不是洞文件。

这是我们用于上传到 FTP 的代码。它看起来和你自己的非常相似。尽管如此，我还是将其发布供您参考，因为我们还没有任何此类失败的报告

    private void UploadFile(string fileToUpload)
    {
        Output = new Uri(Path.Combine(Output.ToString(), Path.GetFileName(fileToUpload)));
        FtpWebRequest request = WebRequest.Create(Output) as FtpWebRequest;
        request.Method = WebRequestMethods.Ftp.UploadFile;
        // in order to work with Microsoft Windows Server 2003 + IIS, we can't use passive mode.
        request.UsePassive = false;
        request.Credentials = new NetworkCredential(username, password);

        // Copy the contents of the file to the request stream.
        Stream dest = request.GetRequestStream();
        FileStream src = File.OpenRead(fileToUpload);

        int bufSize = (int)Math.Min(src.Length, 1024);
        byte[] buffer = new byte[bufSize];
        int bytesRead = 0;

        int numBuffersUploaded = 0;            

        do
        {
            bytesRead = src.Read(buffer, 0, bufSize);
            dest.Write(buffer, 0, bufSize);
            numBuffersUploaded++;
        }
        while (bytesRead != 0);

        dest.Close();
        src.Close();

        FtpWebResponse response = (FtpWebResponse)request.GetResponse();
        if (response.StatusCode != FtpStatusCode.ClosingData)
        {
            Console.Error.WriteLine("Request {0}: Error uploading file to FTP server: {1} ({2})", Id, response.StatusDescription, response.StatusCode);
        }
        else
        {
            Console.Out.WriteLine("Request {0}: Successfully transferred file to {1}", Id, Output.ToString());
        }
    }