C#从FTP下载/读取日志文件

问题描述 投票:0回答:1

我在FTP服务器上有几个.log文件。我需要在我的驱动器上下载它们。或者,阅读和显示内容。我在这里阅读了相关的帖子,并提出了代码: 下载

public void DownloadFile(String infile)

    {
        String myUrl = String.Format("ftp://{0}/{1}", IpAddress, infile);

        FtpWebRequest request = (FtpWebRequest)WebRequest.Create(new Uri(myUrl));
        request.Credentials = new NetworkCredential(UserName, Password);
        request.Method = WebRequestMethods.Ftp.DownloadFile;

        FtpWebResponse response = (FtpWebResponse)request.GetResponse();
        Stream responseStream = response.GetResponseStream();
        StreamReader reader = new StreamReader(responseStream);

        String output = String.Format("{0}", infile);
        using (StreamWriter destination = new StreamWriter(output))
        {
            destination.Write(reader.ReadToEnd());
            destination.Flush();
        }

        reader.Close();
        response.Close();
    }

public string ReadTxtFile2(String infile)
    {
        WebClient request = new WebClient();
        String url = String.Format("ftp://{0}/{1}", IpAddress, infile);
        request.Credentials = new NetworkCredential(UserName, Password);
        try
        {
            // also tried: String fileString = request.DownloadString(url);

            byte[] newFileData = request.DownloadData(url);
            string fileString = System.Text.Encoding.UTF8.GetString(newFileData);
            return fileString;
        }
        catch (WebException e)
        {
            return e.Message;
        }
    }

不知何故,下载返回一个空的0 kb文件,read()函数输出一个空内容。我找不到原因,有什么帮助吗? 注意:服务器上存在文件,我可以列出它们。

c# ftp ftpwebrequest
1个回答
1
投票

根据MSDN您的URL String myUrl = String.Format("ftp://{0}/{1}", IpAddress, infile);似乎是相对的,您的文件无法下载。尝试检查服务器上的文件路径

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