C#实现自定义FTP操作封装类实例

using System;using System.Text;using System.IO;namespace DotNet.Utilities{  public class FTPOperater  {    #region 属性    private FTPClient ftp;    /// <summary>    /// 全局FTP访问变量    /// </summary>    public FTPClient Ftp    {      get { return ftp; }      set { ftp = value; }    }    private string _server;    /// <summary>    /// Ftp服务器    /// </summary>    public string Server    {      get { return _server; }      set { _server = value; }    }    private string _User;    /// <summary>    /// Ftp用户    /// </summary>    public string User    {      get { return _User; }      set { _User = value; }    }    private string _Pass;    /// <summary>    /// Ftp密码    /// </summary>    public string Pass    {      get { return _Pass; }      set { _Pass = value; }    }    private string _FolderZJ;    /// <summary>    /// Ftp密码    /// </summary>    public string FolderZJ    {      get { return _FolderZJ; }      set { _FolderZJ = value; }    }    private string _FolderWX;    /// <summary>    /// Ftp密码    /// </summary>    public string FolderWX    {      get { return _FolderWX; }      set { _FolderWX = value; }    }    #endregion    /// <summary>    /// 得到文件列表    /// </summary>    /// <returns></returns>    public string[] GetList(string strPath)    {      if (ftp == null) ftp = this.getFtpClient();      ftp.Connect();      ftp.ChDir(strPath);      return ftp.Dir("*");    }    /// <summary>    /// 下载文件    /// </summary>    /// <param name="ftpFolder">ftp目录</param>    /// <param name="ftpFileName">ftp文件名</param>    /// <param name="localFolder">本地目录</param>    /// <param name="localFileName">本地文件名</param>    public bool GetFile(string ftpFolder, string ftpFileName, string localFolder, string localFileName)    {      try      {        if (ftp == null) ftp = this.getFtpClient();        if (!ftp.Connected)        {          ftp.Connect();          ftp.ChDir(ftpFolder);        }        ftp.Get(ftpFileName, localFolder, localFileName);        return true;      }      catch      {        try        {          ftp.DisConnect();          ftp = null;        }        catch { ftp = null; }        return false;      }    }    /// <summary>    /// 修改文件    /// </summary>    /// <param name="ftpFolder">本地目录</param>    /// <param name="ftpFileName">本地文件名temp</param>    /// <param name="localFolder">本地目录</param>    /// <param name="localFileName">本地文件名</param>    public bool AddMSCFile(string ftpFolder, string ftpFileName, string localFolder, string localFileName, string BscInfo)    {      string sLine = "";      string sResult = "";      string path = "获得应用程序所在的完整的路径";      path = path.Substring(0, path.LastIndexOf("//"));      try      {        FileStream fsFile = new FileStream(ftpFolder + "//" + ftpFileName, FileMode.Open);        FileStream fsFileWrite = new FileStream(localFolder + "//" + localFileName, FileMode.Create);        StreamReader sr = new StreamReader(fsFile);        StreamWriter sw = new StreamWriter(fsFileWrite);        sr.BaseStream.Seek(0, SeekOrigin.Begin);        while (sr.Peek() > -1)        {          sLine = sr.ReadToEnd();        }        string[] arStr = sLine.Split(new string[] { "/n" }, StringSplitOptions.RemoveEmptyEntries);        for (int i = 0; i < arStr.Length - 1; i++)        {          sResult += BscInfo + "," + arStr[i].Trim() + "/n";        }        sr.Close();        byte[] connect = new UTF8Encoding(true).GetBytes(sResult);        fsFileWrite.Write(connect, 0, connect.Length);        fsFileWrite.Flush();        sw.Close();        fsFile.Close();        fsFileWrite.Close();        return true;      }      catch (Exception e)      {        return false;      }    }    /// <summary>    /// 删除文件    /// </summary>    /// <param name="ftpFolder">ftp目录</param>    /// <param name="ftpFileName">ftp文件名</param>    public bool DelFile(string ftpFolder, string ftpFileName)    {      try      {        if (ftp == null) ftp = this.getFtpClient();        if (!ftp.Connected)        {          ftp.Connect();          ftp.ChDir(ftpFolder);        }        ftp.Delete(ftpFileName);        return true;      }      catch      {        return false;      }    }    /// <summary>    /// 上传文件    /// </summary>    /// <param name="ftpFolder">ftp目录</param>    /// <param name="ftpFileName">ftp文件名</param>    public bool PutFile(string ftpFolder, string ftpFileName)    {      try      {        if (ftp == null) ftp = this.getFtpClient();        if (!ftp.Connected)        {          ftp.Connect();          ftp.ChDir(ftpFolder);        }        ftp.Put(ftpFileName);        return true;      }      catch      {        return false;      }    }    /// <summary>    /// 下载文件    /// </summary>    /// <param name="ftpFolder">ftp目录</param>    /// <param name="ftpFileName">ftp文件名</param>    /// <param name="localFolder">本地目录</param>    /// <param name="localFileName">本地文件名</param>    public bool GetFileNoBinary(string ftpFolder, string ftpFileName, string localFolder, string localFileName)    {      try      {        if (ftp == null) ftp = this.getFtpClient();        if (!ftp.Connected)        {          ftp.Connect();          ftp.ChDir(ftpFolder);        }        ftp.GetNoBinary(ftpFileName, localFolder, localFileName);        return true;      }      catch      {        try        {          ftp.DisConnect();          ftp = null;        }        catch        {          ftp = null;        }        return false;      }    }    /// <summary>    /// 得到FTP上文件信息    /// </summary>    /// <param name="ftpFolder">FTP目录</param>    /// <param name="ftpFileName">ftp文件名</param>    public string GetFileInfo(string ftpFolder, string ftpFileName)    {      string strResult = "";      try      {        if (ftp == null) ftp = this.getFtpClient();        if (ftp.Connected) ftp.DisConnect();        ftp.Connect();        ftp.ChDir(ftpFolder);        strResult = ftp.GetFileInfo(ftpFileName);        return strResult;      }      catch      {        return "";      }    }    /// <summary>    /// 测试FTP服务器是否可登陆    /// </summary>    public bool CanConnect()    {      if (ftp == null) ftp = this.getFtpClient();      try      {        ftp.Connect();        ftp.DisConnect();        return true;      }      catch      {        return false;      }    }    /// <summary>    /// 得到FTP上文件信息    /// </summary>    /// <param name="ftpFolder">FTP目录</param>    /// <param name="ftpFileName">ftp文件名</param>    public string GetFileInfoConnected(string ftpFolder, string ftpFileName)    {      string strResult = "";      try      {        if (ftp == null) ftp = this.getFtpClient();        if (!ftp.Connected)        {          ftp.Connect();          ftp.ChDir(ftpFolder);        }        strResult = ftp.GetFileInfo(ftpFileName);        return strResult;      }      catch      {        return "";      }    }    /// <summary>    /// 得到文件列表    /// </summary>    /// <param name="ftpFolder">FTP目录</param>    /// <returns>FTP通配符号</returns>    public string[] GetFileList(string ftpFolder, string strMask)    {      string[] strResult;      try      {        if (ftp == null) ftp = this.getFtpClient();        if (!ftp.Connected)        {          ftp.Connect();          ftp.ChDir(ftpFolder);        }        strResult = ftp.Dir(strMask);        return strResult;      }      catch      {        return null;      }    }    /// <summary>    ///得到FTP传输对象    /// </summary>    public FTPClient getFtpClient()    {      FTPClient ft = new FTPClient();      ft.RemoteHost = this.Server;      ft.RemoteUser = this.User;      ft.RemotePass = this.Pass;      return ft;    }  }}