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2021年10月16日 14:36 本文熱度 3437

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Net;

using System.IO;

using System.Text;

public class FtpUpDown

{

    string ftpServerIPout;

    string ftpServerIPin;

    string ftpUserIDout;

    string ftpUserIDin;

    string ftpPasswordout;

    string ftpPasswordin;

    FtpWebRequest reqFTPout;

    FtpWebRequest reqFTPin;

   public FtpUpDown(string ftpServerIPout, string ftpUserIDout,string ftpPasswordout,string ftpServerIPin, string ftpUserIDin ,string ftpPasswordin)

{

        this.ftpServerIPout = ftpServerIPout;

        this.ftpServerIPin=ftpServerIPin;

        this.ftpUserIDout = ftpUserIDout;

        this.ftpUserIDin = ftpUserIDin;

        this.ftpPasswordout = ftpPasswordout;

        this.ftpPasswordin = ftpPasswordin;

}

    private void Connect(string pathout, string pathin)//連接ftp

{

        // 根據(jù)uri創(chuàng)建FtpWebRequest對象

        reqFTPout = (FtpWebRequest)FtpWebRequest.Create(new Uri(pathout));

        // 指定數(shù)據(jù)傳輸類型

        reqFTPout.UseBinary = true;

        // ftp用戶名和密碼

        reqFTPout.Credentials = new NetworkCredential(ftpUserIDout, ftpPasswordout);

        reqFTPout.Method=WebRequestMethods.Ftp.DownloadFile;

        // 根據(jù)uri創(chuàng)建FtpWebRequest對象

        reqFTPin = (FtpWebRequest)FtpWebRequest.Create(new Uri(pathin));

        // 指定數(shù)據(jù)傳輸類型

        reqFTPin.UseBinary = true;

        // ftp用戶名和密碼

        reqFTPin.Credentials = new NetworkCredential(ftpUserIDin, ftpPasswordin);

        reqFTPin.Method = WebRequestMethods.Ftp.UploadFile;

}

   public bool Download(string fileName)/**/////上面的代碼實現(xiàn)了從ftp服務器下載文件的功能

{

try

{

            string urlout = "ftp://" + ftpServerIPout + "/" + fileName;

            string urlin = "ftp://" + ftpServerIPin + "/" + fileName;

            Connect(urlout, urlin);//連接 

            FtpWebResponse response = (FtpWebResponse)reqFTPout.GetResponse();

            Stream ftpStream = response.GetResponseStream();

            long cl = response.ContentLength;

            int bufferSize = 2048;

            int readCount;

            byte[] buffer = new byte[bufferSize];

            readCount = ftpStream.Read(buffer, 0, bufferSize);

            Stream strm = reqFTPin.GetRequestStream();

            while (readCount != 0)

{

                strm.Write(buffer, 0, bufferSize);

                readCount = ftpStream.Read(buffer, 0, bufferSize);

}

            ftpStream.Close();

            strm.Close();

            response.Close();

            return true;

}

       catch

{

            return false;

}

}

}

后臺調(diào)用：

protected void Button1_Click(object sender, EventArgs e)

{

          FtpUpDown ftpUpDown = new FtpUpDown("192.168.0.26", "tfds", "tfds","192.168.0.34","tfds","tfds");

          ftpUpDown.Download("2.txt");

          Response.Write("success");

}

該文章在 2021/10/16 14:36:18 編輯過

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