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)
{
reqFTPout = (FtpWebRequest)FtpWebRequest.Create(new Uri(pathout));
reqFTPout.UseBinary = true;
reqFTPout.Credentials = new NetworkCredential(ftpUserIDout, ftpPasswordout);
reqFTPout.Method=WebRequestMethods.Ftp.DownloadFile;
reqFTPin = (FtpWebRequest)FtpWebRequest.Create(new Uri(pathin));
reqFTPin.UseBinary = true;
reqFTPin.Credentials = new NetworkCredential(ftpUserIDin, ftpPasswordin);
reqFTPin.Method = WebRequestMethods.Ftp.UploadFile;
}
public bool Download(string fileName)////上面的代碼實(shí)現(xiàn)了從ftp服務(wù)器下載文件的功能
{
try
{
string urlout = "ftp://" + ftpServerIPout + "/" + fileName;
string urlin = "ftp://" + ftpServerIPin + "/" + fileName;
Connect(urlout, urlin);
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(tái)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");
}
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