C#編寫的FTP上傳簡單工具類

C#編寫的FTP上傳簡單工具類

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

namespace WFDownLoad_ftp
{
    /// <summary>
    /// FTP Client
    /// </summary>
    public class FTPClient
    {

    #region 構造函數
    /// <summary>
    /// 缺省構造函數
    /// </summary>
    public FTPClient()
    {
        strRemoteHost = "";
        strRemotePath = "";
        strRemoteUser = "";
        strRemotePass = "";
        strRemotePort = 21;
        bConnected = false;
    }

    /// <summary>
    /// 構造函數
    /// </summary>
    /// <param name="remoteHost"></param>
    /// <param name="remotePath"></param>
    /// <param name="remoteUser"></param>
    /// <param name="remotePass"></param>
    /// <param name="remotePort"></param>
    public FTPClient(string remoteHost, string remotePath, string remoteUser, string remotePass, int remotePort)
    {
        strRemoteHost = remoteHost;
        strRemotePath = remotePath;
        strRemoteUser = remoteUser;
        strRemotePass = remotePass;
        strRemotePort = remotePort;
        Connect();
    }
    #endregion



    //public static void Main(string[] args)
    //{
    //    FTPClient fc = new FTPClient("172.22.1.15", "/bcgz/x25/awstod", "zxt", "123456", 21);
    //    //fc.ChDir("/bcgz/x25/awstod");
    //    //Console.WriteLine(fc.RemotePath);
    //    fc.Get("S5290900.A1053", @"F:\ttt", "");
    //    // fc.getawsFile("S5290400.A1053");
    //}
    #region 登陸
    /// <summary>
    /// FTP服務器IP地址
    /// </summary>
    private string strRemoteHost;
    public string RemoteHost
    {
        get
        {
            return strRemoteHost;
        }
        set
        {
            strRemoteHost = value;
        }
    }
    /// <summary>
    /// FTP服務器端口
    /// </summary>
    private int strRemotePort;
    public int RemotePort
    {
        get
        {
            return strRemotePort;
        }
        set
        {
            strRemotePort = value;
        }
    }
    /// <summary>
    /// 當前服務器目錄
    /// </summary>
    private string strRemotePath;
    public string RemotePath
    {
        get
        {
            return strRemotePath;
        }
        set
        {
            strRemotePath = value;
        }
    }
    /// <summary>
    /// 登錄用戶賬號
    /// </summary>
    private string strRemoteUser;
    public string RemoteUser
    {
        set
        {
            strRemoteUser = value;
        }
    }
    /// <summary>
    /// 用戶登錄密碼
    /// </summary>
    private string strRemotePass;
    public string RemotePass
    {
        set
        {
            strRemotePass = value;
        }
    }

    /// <summary>
    /// 是否登錄
    /// </summary>
    private Boolean bConnected;
    public bool Connected
    {
        get
        {
            return bConnected;
        }
    }
    #endregion

    #region 鏈接
    /// <summary>
    /// 建立連接
    /// </summary>
    public void Connect()
    {
        socketControl = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
        IPEndPoint ep = new IPEndPoint(IPAddress.Parse(RemoteHost), strRemotePort);
        // 鏈接
        try
        {
            socketControl.Connect(ep);
        }
        catch (Exception)
        {
            throw new IOException("Couldnt connect to remote server");
        }

        // 獲取應答碼
        ReadReply();
        if (iReplyCode != 220)
        {
            DisConnect();
            throw new IOException(strReply.Substring(4));
        }

        // 登陸
        SendCommand("USER " + strRemoteUser);
        if (!(iReplyCode == 331 || iReplyCode == 230))
        {
            CloseSocketConnect();//關閉連接
            throw new IOException(strReply.Substring(4));
        }
        if (iReplyCode != 230)
        {
            SendCommand("PASS " + strRemotePass);
            if (!(iReplyCode == 230 || iReplyCode == 202))
            {
                CloseSocketConnect();//關閉連接
                throw new IOException(strReply.Substring(4));
            }
        }
        bConnected = true;

        // 切換到目錄
        ChDir(strRemotePath);
    }


    /// <summary>
    /// 關閉連接
    /// </summary>
    public void DisConnect()
    {
        if (socketControl != null)
        {
            SendCommand("QUIT");
        }
        CloseSocketConnect();
    }

    #endregion

    #region 傳輸模式

    /// <summary>
    /// 傳輸模式:二進制類型、ASCII類型
    /// </summary>
    public enum TransferType { Binary, ASCII };

    /// <summary>
    /// 設置傳輸模式
    /// </summary>
    /// <param name="ttType">傳輸模式</param>
    public void SetTransferType(TransferType ttType)
    {
        if (ttType == TransferType.Binary)
        {
            SendCommand("TYPE I");//binary類型傳輸
        }
        else
        {
            SendCommand("TYPE A");//ASCII類型傳輸
        }
        if (iReplyCode != 200)
        {
            throw new IOException(strReply.Substring(4));
        }
        else
        {
            trType = ttType;
        }
    }


    /// <summary>
    /// 獲得傳輸模式
    /// </summary>
    /// <returns>傳輸模式</returns>
    public TransferType GetTransferType()
    {
        return trType;
    }

    #endregion

    #region 文件操作
    /// <summary>
    /// 獲得文件列表
    /// </summary>
    /// <param name="strMask">文件名的匹配字符串</param>
    /// <returns></returns>
    public string[] Dir(string strMask)
    {
        // 建立鏈接
        if (!bConnected)
        {
            Connect();
        }

        //建立進行數據連接的socket
        Socket socketData = CreateDataSocket();

        //傳送命令
        SendCommand("NLST " + strMask);

        //分析應答</pre>