using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net; namespace FTPHelper
{
/// <summary>
/// FTP帮助类
/// </summary>
public class FTPHelper
{
#region 字段 private string ftpURI;
private string ftpPort;
private string ftpUserID;
private string ftpServerIP;
private string ftpPassword;
private string ftpRemotePath; #endregion /// <summary>
/// 连接FTP服务器
/// </summary>
/// <param name="FtpServerIP">FTP连接地址</param>
/// <param name="FtpRemotePath">指定FTP连接成功后的当前目录, 如果不指定即默认为根目录</param>
/// <param name="FtpUserID">用户名</param>
/// <param name="FtpPassword">密码</param>
public FTPHelper(string FtpServerIP, string FtpPort, string FtpUserID, string FtpPassword)
{
ftpServerIP = FtpServerIP;
ftpPort = FtpPort;
ftpUserID = FtpUserID;
ftpPassword = FtpPassword;
ftpURI = "ftp://" + ftpServerIP + ":" + ftpPort;
} /// <summary>
/// 上传
/// </summary>
public void Upload(string filename)
{
FileInfo fileInf = new FileInfo(filename);
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest) FtpWebRequest.Create(new Uri(ftpURI + fileInf.Name));
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
reqFTP.KeepAlive = false;
reqFTP.UseBinary = true;
reqFTP.ContentLength = fileInf.Length;
int buffLength = ;
byte[] buff = new byte[buffLength];
int contentLen;
FileStream fs = fileInf.OpenRead();
try
{
Stream strm = reqFTP.GetRequestStream();
contentLen = fs.Read(buff, , buffLength);
while (contentLen != )
{
strm.Write(buff, , contentLen);
contentLen = fs.Read(buff, , buffLength);
}
strm.Close();
fs.Close();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
} /// <summary>
/// 下载
/// </summary>
public void Download(string filePath, string fileName)
{
try
{
FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest) FtpWebRequest.Create(new Uri(ftpURI + fileName));
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
reqFTP.UseBinary = true;
FtpWebResponse response = (FtpWebResponse) reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
long cl = response.ContentLength;
int bufferSize = ;
int readCount;
byte[] buffer = new byte[bufferSize];
readCount = ftpStream.Read(buffer, , bufferSize);
while (readCount > )
{
outputStream.Write(buffer, , readCount);
readCount = ftpStream.Read(buffer, , bufferSize);
}
ftpStream.Close();
outputStream.Close();
response.Close();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
} /// <summary>
/// 删除文件
/// </summary>
public void Delete(string fileName)
{
try
{
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest) FtpWebRequest.Create(new Uri(ftpURI + fileName));
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;
reqFTP.KeepAlive = false;
string result = String.Empty;
FtpWebResponse response = (FtpWebResponse) reqFTP.GetResponse();
long size = response.ContentLength;
Stream datastream = response.GetResponseStream();
StreamReader sr = new StreamReader(datastream);
result = sr.ReadToEnd();
sr.Close();
datastream.Close();
response.Close();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
} /// <summary>
/// 获取当前目录下明细(包含文件和文件夹)
/// </summary>
public string[] GetFilesDetailList()
{
try
{
StringBuilder result = new StringBuilder();
FtpWebRequest ftp;
ftp = (FtpWebRequest) FtpWebRequest.Create(new Uri(ftpURI));
ftp.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = ftp.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string line = reader.ReadLine();
line = reader.ReadLine();
line = reader.ReadLine();
while (line != null)
{
result.Append(line);
result.Append("\n");
line = reader.ReadLine();
}
result.Remove(result.ToString().LastIndexOf("\n"), );
reader.Close();
response.Close();
return result.ToString().Split('\n');
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
} /// <summary>
/// 获取FTP文件列表(包括文件夹)
/// </summary>
private List<string> GetAllList(string url)
{
List<string> list = new List<string>();
FtpWebRequest req = (FtpWebRequest) WebRequest.Create(new Uri(url));
req.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
req.Method = WebRequestMethods.Ftp.ListDirectory;
req.UseBinary = true;
req.UsePassive = true;
try
{
using (FtpWebResponse res = (FtpWebResponse) req.GetResponse())
{
using (StreamReader sr = new StreamReader(res.GetResponseStream()))
{
string s;
while ((s = sr.ReadLine()) != null)
{
list.Add(s);
}
}
}
}
catch (Exception ex)
{
throw (ex);
}
return list;
} /// <summary>
/// 获取当前目录下文件列表(不包括文件夹)
/// </summary>
public int GetFileList(string url, out List<string> fileList, out List<string> folderList)
{
fileList = new List<string>();
folderList = new List<string>();
FtpWebRequest reqFTP;
int sum=;
try
{
reqFTP = (FtpWebRequest) FtpWebRequest.Create(new Uri(url));
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = reqFTP.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string line = reader.ReadLine();
while (line != null)
{
bool isFolder = line.StartsWith("d");
if (!isFolder)
{
fileList.Add(line.Substring(, line.Length - ));
}
else
{
folderList.Add(line.Substring(, line.Length - ));
}
sum++;
line = reader.ReadLine();
} reader.Close();
response.Close();
}
catch (Exception ex)
{
throw (ex);
}
return sum; } /// <summary>
/// 判断当前目录下指定的文件是否存在
/// </summary>
/// <param name="RemoteFileName">远程文件名</param>
public bool FileExist(string RemoteFileName)
{
List<string> fileList;
List<string> folderList;
GetFileList("*.*",out fileList,out folderList);
foreach (string str in fileList)
{
if (str.Trim() == RemoteFileName.Trim())
{
return true;
}
}
return false;
} /// <summary>
/// 创建文件夹
/// </summary>
public void MakeDir(string dirName)
{
FtpWebRequest reqFTP;
try
{
reqFTP = (FtpWebRequest) FtpWebRequest.Create(new Uri(ftpURI + dirName));
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
FtpWebResponse response = (FtpWebResponse) reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
ftpStream.Close();
response.Close();
}
catch (Exception ex)
{
}
} /// <summary>
/// 获取指定文件大小
/// </summary>
public long GetFileSize(string filename)
{
FtpWebRequest reqFTP;
long fileSize = ;
try
{
reqFTP = (FtpWebRequest) FtpWebRequest.Create(new Uri(ftpURI + filename));
reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
FtpWebResponse response = (FtpWebResponse) reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
fileSize = response.ContentLength;
ftpStream.Close();
response.Close();
}
catch (Exception ex)
{
}
return fileSize;
} /// <summary>
/// 更改文件名
/// </summary>
public void ReName(string currentFilename, string newFilename)
{
FtpWebRequest reqFTP;
try
{
reqFTP = (FtpWebRequest) FtpWebRequest.Create(new Uri(ftpURI + currentFilename));
reqFTP.Method = WebRequestMethods.Ftp.Rename;
reqFTP.RenameTo = newFilename;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
FtpWebResponse response = (FtpWebResponse) reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
ftpStream.Close();
response.Close();
}
catch (Exception ex)
{
}
} /// <summary>
/// 移动文件
/// </summary>
public void MovieFile(string currentFilename, string newDirectory)
{
ReName(currentFilename, newDirectory);
} /// <summary>
/// 切换当前目录
/// </summary>
/// <param name="IsRoot">true:绝对路径 false:相对路径</param>
public void GotoDirectory(string DirectoryName, bool IsRoot)
{ if (IsRoot)
{
ftpRemotePath = DirectoryName;
}
else
{
ftpRemotePath += "/"+DirectoryName ;
}
ftpURI = "ftp://" + ftpServerIP +":"+ftpPort+ "/" + ftpRemotePath + "/";
} public void DownloadDir(String remote, string local)
{
GotoDirectory(remote, true);
if (!Directory.Exists(local))
Directory.CreateDirectory(local);
List<string> fileList;
List<string> folderList;
GetFileList(ftpURI, out fileList, out folderList); foreach (var file in fileList)
{
Console.WriteLine("{0}->{1}", file, local);
Download(local, file);
} foreach (var folder in folderList)
{
DownloadDir(remote + "/"+folder, local+@"\"+folder);
}
} }
}
读取xml并连接下载
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq; namespace GetUNet
{
class Program
{
static void Main()
{
XDocument doc = XDocument.Load(@".\ftpconfig.xml");
var q = doc.Element("Config").Elements();
var list = q.ToList();
string ftpIP = string.Empty;
string ftpUser = string.Empty;
string ftpPwd = string.Empty;
string ftpPort = string.Empty;
string serverDirectory = string.Empty;
string localDirectory = string.Empty;
list.ForEach(u =>
{
ftpIP=u.Element("ServerIP").Value;
ftpUser = u.Element("FtpUser").Value;
ftpPwd = u.Element("FtpPwd").Value;
ftpPort = u.Element("Port").Value;
localDirectory = u.Element("LocalDir").Value;
serverDirectory = u.Element("RemoteDir").Value; }); var ftp = new FTPHelper(ftpIP, ftpPort, ftpUser, ftpPwd);
ftp.DownloadDir(serverDirectory,localDirectory); } }
}