3一个FTP客户端的C#代码

一个 FTP 客户端的 C#代码
using System; using ; using System.IO; using System.Text; using .Sockets; namespace .csdn.blog.ftpclient { /// <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 } /// <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; = false;
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>
/// <summary> /// 获取文件大小 /// </summary> /// <param name="strFileName">文件名</param> /// <returns>文件大小</returns> private long GetFileSize(string strFileName) { if(!bConnected) { Connect(); } SendCommand("SIZE " + Path.GetFileName(strFileName)); long lSize=0; if(iReplyCode == 213) { lSize = Int64.Parse(strReply.Substring(4)); } else { throw new IOException(strReply.Substring(4)); } return lSize; }
/// <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); //分析应答代码 if(!(iReplyCode == 150 || iReplyCode == 125 || iReplyCode == 226)) { throw new IOException(strReply.Substring(4)); } //获得结果 strMsg = ""; while(true) { int iBytes = socketData.Receive(buffer, buffer.Length, 0); strMsg += ASCII.GetString(buffer, 0, iBytes); if(iBytes < buffer.Length)
/// <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 { trTyy>
/// 删除 /// </summary> /// <param name="strFileName">待删除文件名</param> public void Delete(string strFileName) { if(!bConnected) { Connect(); } SendCommand("DELE "+strFileName); if(iReplyCode != 250) { throw new IOException(strReply.Substring(4)); } }
Connect(); } #endregion #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; }
{ break; } } char[] seperator = {'\n'}; string[] strsFileList = strMsg.Split(seperator); socketData.Close();//数据 socket 关闭时也会有返回码 if(iReplyCode != 226) { ReadReply(); if(iReplyCode != 226) { throw new IOException(strReply.Substring(4)); } } return strsFileList; }