我在FTP服务器上有几个.log
文件。我需要将它们下载到驱动器上。或者,读取并显示内容。我在这里阅读了相关文章,并提出了以下代码:
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();
}
阅读
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;
}
}
下载使我以某种方式返回了一个空的0 kb文件,而read()函数则输出了一个空内容。我找不到原因,有什么帮助吗?
注意:文件确实存在于服务器上,我可以列出它们。
答案 0 :(得分:1)
根据MSDN,您的URL String myUrl = String.Format("ftp://{0}/{1}", IpAddress, infile);
似乎是相对的,并且找不到要下载的文件。尝试检查服务器上文件的路径