c# 如何从ftp上复制/除去ftp上的某个文件？

c# 如何从ftp上复制/除去ftp上的某个文件？

using System.IO;
using System.Net;

private void button2_Click(object sender, EventArgs e)
{
FtpWebRequest req;
req = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp:/shiyan.txt"));
req.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
req.KeepAlive = false;
req.Method = WebRequestMethods.Ftp.DeleteFile;
req.UseBinary = true;

using (FtpWebResponse Response = (FtpWebResponse)req.GetResponse())
{
long size = Response.ContentLength;
using (Stream datastream = Response.GetResponseStream())
{
using (StreamReader sr = new StreamReader(datastream))
{
sr.ReadToEnd();
sr.Close();
}
datastream.Close();
}
Response.Close();
}
}追问复制文件追答FtpWebRequest req;
req = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp:/shiyan.txt"));
req.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
req.KeepAlive = false;
req.Method = WebRequestMethods.Ftp.Rename; ///更改这行
req.UseBinary = true;
req.RenameTo = "ftp:/rename_or_move_to/shiyan.txt"; ///加入这行

using (FtpWebResponse Response = (FtpWebResponse)req.GetResponse())
{
long size = Response.ContentLength;
using (Stream datastream = Response.GetResponseStream())
{
using (StreamReader sr = new StreamReader(datastream))
{
sr.ReadToEnd();
sr.Close();
}
datastream.Close();
}
Response.Close();
}
现在没有测试环境，按记忆写，如不正确请更改一下追问拿条是复制到我的电脑的路径？追答复制到电脑就是下载，在第一个回答基础上
WebRequestMethods.Ftp.DownloadFile; ///更改这行

第二个回答是在服务器移动或复制文件

竹简本

atv

用FTPRush登陆FTP，选中文件右击删除
追问我需要的是代码