c# - 如何使用 C# 将多个文件从 FTP 服务器传输到本地目录？

Question

我可以将一个文件从 ftp 服务器传输到本地目录。使用以下代码

  using (WebClient ftpClient = new WebClient())
        {
            ftpClient.Credentials = new System.Net.NetworkCredential("username", "password");
            ftpClient.DownloadFile("ftp://website.com/abcd.docx", @"D:\\WestHam\test.docx");

但我不知道如何传输多个文件。谁能帮我解决这个问题。

Answer 1

使用此代码，只需替换用户凭据:

static void Main(string[] args)
{
    FtpWebRequest ftpRequest = (FtpWebRequest)WebRequest.Create("ftp://mywebsite.com/");
    ftpRequest.Credentials = new NetworkCredential("user345", "pass234");
    ftpRequest.Method = WebRequestMethods.Ftp.ListDirectory;
    FtpWebResponse response = (FtpWebResponse)ftpRequest.GetResponse();
    StreamReader streamReader = new StreamReader(response.GetResponseStream());           
    List<string> directories = new List<string>();            

    string line = streamReader.ReadLine();
    while (!string.IsNullOrEmpty(line))
    {
        directories.Add(line);
        line = streamReader.ReadLine();
    }
    streamReader.Close();


    using (WebClient ftpClient = new WebClient())
    {
        ftpClient.Credentials = new System.Net.NetworkCredential("user345", "pass234");

        for (int i = 0; i <= directories.Count-1; i++)
        {
            if (directories[i].Contains("."))
            {

                string path = "ftp://mywebsite.com/" + directories[i].ToString();
                string trnsfrpth = @"D:\\Test\" + directories[i].ToString();
                ftpClient.DownloadFile(path, trnsfrpth);
            }
        }
    }