iis上设置ftp

using System;
using System.IO;
using System.Net;

public class FtpUploader
{
    private string server;
    private int port;
    private string user;
    private string pass;

    public FtpUploader(string server, int port, string user, string pass)
    {
        this.server = server;
        this.port = port;
        this.user = user;
        this.pass = pass;
    }

    public void Upload(string localFilePath, string remoteFilePath)
    {
        FtpWebRequest request = (FtpWebRequest)WebRequest.Create($"ftp://{server}:{port}/{remoteFilePath}");
        request.Method = WebRequestMethods.Ftp.UploadFile;
        request.Credentials = new NetworkCredential(user, pass);

        using (FileStream fileStream = new FileStream(localFilePath, FileMode.Open))
        {
            request.ContentLength = fileStream.Length;
            using (Stream requestStream = request.GetRequestStream())
            {
                fileStream.CopyTo(requestStream);
            }
        }

        FtpWebResponse response = (FtpWebResponse)request.GetResponse();
        Console.WriteLine($"Upload File Complete, status {response.StatusDescription}");
        response.Close();
    }
}

// Usage
FtpUploader ftp = new FtpUploader("ftp.example.com", 21, "username", "password");
ftp.Upload("C:\\localpath\\file.txt", "/remotepath/file.txt");