C#编写的FTP上传简单工具类
C#编写的FTP上传简单工具类
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 构造函数 /// <summary> /// 缺省构造函数 /// </summary> public FTPClient() { strRemoteHost = ""; strRemotePath = ""; strRemoteUser = ""; strRemotePass = ""; strRemotePort = 21; bConnected = false; } /// <summary> /// 构造函数 /// </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 登陆 /// <summary> /// FTP服务器IP地址 /// </summary> private string strRemoteHost; public string RemoteHost { get { return strRemoteHost; } set { strRemoteHost = value; } } /// <summary> /// FTP服务器端口 /// </summary> private int strRemotePort; public int RemotePort { get { return strRemotePort; } set { strRemotePort = value; } } /// <summary> /// 当前服务器目录 /// </summary> private string strRemotePath; public string RemotePath { get { return strRemotePath; } set { strRemotePath = value; } } /// <summary> /// 登录用户账号 /// </summary> private string strRemoteUser; public string RemoteUser { set { strRemoteUser = value; } } /// <summary> /// 用户登录密码 /// </summary> private string strRemotePass; public string RemotePass { set { strRemotePass = value; } } /// <summary> /// 是否登录 /// </summary> private Boolean bConnected; public bool Connected { get { return bConnected; } } #endregion #region 链接 /// <summary> /// 建立连接 /// </summary> public void Connect() { socketControl = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); IPEndPoint ep = new IPEndPoint(IPAddress.Parse(RemoteHost), strRemotePort); // 链接 try { socketControl.Connect(ep); } catch (Exception) { throw new IOException("Couldnt connect to remote server"); } // 获取应答码 ReadReply(); if (iReplyCode != 220) { DisConnect(); throw new IOException(strReply.Substring(4)); } // 登陆 SendCommand("USER " + strRemoteUser); if (!(iReplyCode == 331 || iReplyCode == 230)) { CloseSocketConnect();//关闭连接 throw new IOException(strReply.Substring(4)); } if (iReplyCode != 230) { SendCommand("PASS " + strRemotePass); if (!(iReplyCode == 230 || iReplyCode == 202)) { CloseSocketConnect();//关闭连接 throw new IOException(strReply.Substring(4)); } } bConnected = true; // 切换到目录 ChDir(strRemotePath); } /// <summary> /// 关闭连接 /// </summary> public void DisConnect() { if (socketControl != null) { SendCommand("QUIT"); } CloseSocketConnect(); } #endregion #region 传输模式 /// <summary> /// 传输模式:二进制类型、ASCII类型 /// </summary> public enum TransferType { Binary, ASCII }; /// <summary> /// 设置传输模式 /// </summary> /// <param name="ttType">传输模式</param> public void SetTransferType(TransferType ttType) { if (ttType == TransferType.Binary) { SendCommand("TYPE I");//binary类型传输 } else { SendCommand("TYPE A");//ASCII类型传输 } if (iReplyCode != 200) { throw new IOException(strReply.Substring(4)); } else { trType = ttType; } } /// <summary> /// 获得传输模式 /// </summary> /// <returns>传输模式</returns> public TransferType GetTransferType() { return trType; } #endregion #region 文件操作 /// <summary> /// 获得文件列表 /// </summary> /// <param name="strMask">文件名的匹配字符串</param> /// <returns></returns> public string[] Dir(string strMask) { // 建立链接 if (!bConnected) { Connect(); } //建立进行数据连接的socket Socket socketData = CreateDataSocket(); //传送命令 SendCommand("NLST " + strMask); //分析应答