uploader.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;

namespace IsoFtp
{
    /// <summary>
    /// 基于WebClient实现的FTP协议上传文件的工具类。
    /// </summary>
    public class FtpUploader
    {
        /// <summary>将指定的本地文件上传到远程目标 FTP 服务器特定 URL 上。</summary>
        /// <param name="p_fileName">指定的本地文件名。</param>
        /// <param name="p_targetUrl">远程目标 FTP 服务器目录的 URL。URL 必须以“ftp://”开头。</param>
        /// <param name="p_userName">登陆 FTP 服务器的用户名。</param>
        /// <param name="p_password">登陆 FTP 服务器的密码</param>
        public static void Upload(string p_fileName, string p_targetUrl, string p_userName, string p_password)
        {
            // 效验文件是否存在。
            if (!File.Exists(p_fileName))
            {
                throw new Exception(string.Format("文件“{0}”不存在。"));
            }

            // 效验 URL 是否合法。
            Uri targetUrl = new Uri(p_targetUrl);
            if (targetUrl.Scheme != Uri.UriSchemeFtp)
            {
                throw new Exception(string.Format("“{0}”不是一个合法的 FTP URL。", p_targetUrl));
            }
            if (targetUrl.IsFile)
            {
                throw new Exception(string.Format("“{0}”指向的是远程文件，而不是远程目录。"));
            }

            WebClient ftpClient = new WebClient();
            ftpClient.Credentials = new NetworkCredential(p_userName, p_password);
            Console.WriteLine("正在上传文件...");
            p_targetUrl = p_targetUrl + "/" + new System.IO.FileInfo(p_fileName).Name;
            ftpClient.UploadFile(p_targetUrl, p_fileName);
            ftpClient.UploadProgressChanged += new UploadProgressChangedEventHandler(UploadProgressCallback);

            Console.WriteLine(string.Format("文件已上传至“{0}”。", p_targetUrl));
        }
        private static void UploadProgressCallback(object sender, UploadProgressChangedEventArgs e)
        {
            // Displays the operation identifier, and the transfer progress.
            Console.WriteLine("{0}    uploaded {1} of {2} bytes. {3} % complete...",
                (string)e.UserState,
                e.BytesSent,
                e.TotalBytesToSend,
                e.ProgressPercentage);
        }

    }
}