FTPOperater

using System;
using System.Text;
using System.IO;

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[] { " " }, StringSplitOptions.RemoveEmptyEntries);

            for (int i = 0; i < arStr.Length - 1; i++)
            {
                sResult += BscInfo + "," + arStr[i].Trim() + " ";
            }
            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;
    }
}