想用C＃（FtpWebResponse）来读取从FTP文件列表，但它返回的HTML [英] Want to use C# (FtpWebResponse) to read file list from FTP, but it returns HTML

问题描述

我用下面的代码从FTP站点下载文件。它工作在我的电脑，但是当我在另一台计算机上运行它（我可以看到，HTML是网页的代码，当我通过浏览器访问FTP）它只返回HTML代码。怎么了？

I use below codes to get files from a FTP site. It works in my computer, but it only return HTML codes when I run it on another computer (I can see that the HTML are codes of web page when I access FTP via browser). What's wrong?

public String GetFilesAsString(string folder,string fileExtension)
{
    StringBuilder result = new StringBuilder();
    FtpWebRequest reqFTP;
    try
    {
        String ftpserver = ftp + folder+"/";

        reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpserver));
        reqFTP.UsePassive = false;
        reqFTP.UseBinary = true;
        reqFTP.Credentials = new NetworkCredential(username, password);
        reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;
        FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();

        StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);
        string line = "";

        while (reader.Peek()>-1)
        {
            line = reader.ReadLine();
            Console.WriteLine(line);//**********HTML was wrote out here*************
        }

        if (result.ToString().LastIndexOf('\n') >= 0)
            result.Remove(result.ToString().LastIndexOf('\n'), 1);
        reader.Close();
        response.Close();

        return result.ToString();
    }
    catch (Exception ex)
    {
    }
    return null;
}

的

推荐答案

这可能是一个Web代理的干扰？尝试使用下面绕过代理：

Could it be a web proxy interfering? Try to get around the proxy by using the following:

reqFTP.Proxy = GlobalProxySelection.GetEmptyWebProxy();

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