1，FTP服务创建于配置http://jingyan.baidu.com/article/0a52e3f4230067bf63ed7268.html,
2，FTP操作类
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Windows.Forms; namespace FTP
{
//使用时需要建立配置文件在配置文件里面写链接信息，
public class FtpHelper
{
//基本设置
public static string path = @"ftp://" + FtpHelper.GetAppConfig("path") + "/"; //目标路径
public static string ftpip = FtpHelper.GetAppConfig("path"); //ftp IP地址
static private string username = FtpHelper.GetAppConfig("username"); //ftp用户名
static private string password = FtpHelper.GetAppConfig("password"); //ftp密码
public static string GetAppConfig(string strKey)
{
foreach (string key in ConfigurationManager.AppSettings)
{
if (key == strKey)
{
string str = ConfigurationManager.AppSettings[strKey];
return ConfigurationManager.AppSettings[strKey];
}
}
return null;
}
public static string[] GetFileList()//已验证
{
//dir = dir + "/";//加斜线与不加斜线的区别是路径和文件名
string[] downloadFiles;
StringBuilder result = new StringBuilder();
FtpWebRequest request;
try
{
request = (FtpWebRequest)FtpWebRequest.Create(new Uri(path));
request.UseBinary = true;
request.Credentials = new NetworkCredential(username, password);//设置用户名和密码
request.Method = WebRequestMethods.Ftp.ListDirectory;
request.UseBinary = true; WebResponse response = request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream()); string line = reader.ReadLine();
while (line != null)
{
result.Append(line);
result.Append("\n");
Console.WriteLine(line);
line = reader.ReadLine();
}
// to remove the trailing '\n'
result.Remove(result.ToString().LastIndexOf('\n'), 1);
reader.Close();
response.Close();
return result.ToString().Split('\n');
}
catch (Exception ex)
{
Console.WriteLine("获取ftp上面的文件和文件夹：" + ex.Message);
downloadFiles = null;
return downloadFiles;
}
} /// <summary>
/// 获取文件大小
/// </summary>
/// <param name="file">ip服务器下的相对路径</param>
/// <returns>文件大小</returns>
public static int GetFileSize(string file)//已验证
{
StringBuilder result = new StringBuilder();
FtpWebRequest request;
try
{
request = (FtpWebRequest)FtpWebRequest.Create(new Uri(path + file));
request.UseBinary = true;
request.Credentials = new NetworkCredential(username, password);//设置用户名和密码
request.Method = WebRequestMethods.Ftp.GetFileSize; int dataLength = (int)request.GetResponse().ContentLength; return dataLength;
}
catch (Exception ex)
{
Console.WriteLine("获取文件大小出错：" + ex.Message);
return -1;
}
} /// <summary>
/// 文件上传
/// </summary>
/// <param name="filePath">原路径（绝对路径）包括文件名</param>
/// <param name="objPath">目标文件夹：服务器下的相对路径 不填为根目录</param>
public static void FileUpLoad(string filePath, string objPath = "")
{
try
{
string url = path;
if (objPath != "")
url += objPath + "/";
try
{ FtpWebRequest reqFTP = null;
//待上传的文件 （全路径）
try
{
FileInfo fileInfo = new FileInfo(filePath);
using (FileStream fs = fileInfo.OpenRead())
{
long length = fs.Length;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(url + fileInfo.Name[0])); //设置连接到FTP的帐号密码
reqFTP.Credentials = new NetworkCredential(username, password);
//设置请求完成后是否保持连接
reqFTP.KeepAlive = false;
//指定执行命令
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
//指定数据传输类型
reqFTP.UseBinary = true; using (Stream stream = reqFTP.GetRequestStream())
{
//设置缓冲大小
int BufferLength = 5120;
byte[] b = new byte[BufferLength];
int i;
while ((i = fs.Read(b, 0, BufferLength)) > 0)
{
stream.Write(b, 0, i);
}
Console.WriteLine("上传文件成功");
}
}
}
catch (Exception ex)
{
Console.WriteLine("上传文件失败错误为" + ex.Message);
}
finally
{ }
}
catch (Exception ex)
{
Console.WriteLine("上传文件失败错误为" + ex.Message);
}
finally
{ }
}
catch (Exception ex)
{
Console.WriteLine("上传文件失败错误为" + ex.Message);
}
} /// <summary>
/// 删除文件
/// </summary>
/// <param name="fileName">服务器下的相对路径 包括文件名</param>
public static void DeleteFileName(string fileName)//已验证
{
try
{
FileInfo fileInf = new FileInfo(ftpip + "" + fileName);
string uri = path + fileName;
FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
// 指定数据传输类型
reqFTP.UseBinary = true;
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(username, password);
// 默认为true，连接不会被关闭
// 在一个命令之后被执行
reqFTP.KeepAlive = false;
// 指定执行什么命令
reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
Console.WriteLine("删除文件出错：" + ex.Message);
}
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="fileName"></param>
public static void Delete(string fileName)//已验证
{
try
{
string uri = path + fileName;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); reqFTP.Credentials = new NetworkCredential(username, password);
reqFTP.KeepAlive = false;
reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;
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)
{
//Insert_Standard_ErrorLog.Insert("FtpWeb", "Delete Error --> " + ex.Message + " 文件名:" + fileName);
}
}
/// <summary>
/// 删除文件夹
/// </summary>
/// <param name="folderName"></param>
public static void RemoveDirectory(string folderName)//已验证
{
try
{
string uri = path + folderName;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); reqFTP.Credentials = new NetworkCredential(username,password);
reqFTP.KeepAlive = false;
reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;
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)
{
//Insert_Standard_ErrorLog.Insert("FtpWeb", "Delete Error --> " + ex.Message + " 文件名:" + folderName);
}
}
/// <summary>
/// 获取当前目录下明细(包含文件和文件夹)
/// </summary>
/// <returns></returns>
public static string[] GetFilesDetailList(string dir)
{
string[] downloadFiles;
try
{
dir = dir + "/";
StringBuilder result = new StringBuilder();
FtpWebRequest ftp;
ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(path+dir));
ftp.Credentials = new NetworkCredential(username, password);
ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = ftp.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default); //while (reader.Read() > 0)
//{ //}
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"), 1);
reader.Close();
response.Close();
return result.ToString().Split('\n');
}
catch (Exception ex)
{
downloadFiles = null;
//Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --> " + ex.Message);
return downloadFiles;
}
}
public static string[] GetFilesDetailList()
{
string[] downloadFiles;
try
{ StringBuilder result = new StringBuilder();
FtpWebRequest ftp;
ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(path));
ftp.Credentials = new NetworkCredential(username, password);
ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = ftp.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default); //while (reader.Read() > 0)
//{ //}
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"), 1);
reader.Close();
response.Close();
return result.ToString().Split('\n');
}
catch (Exception ex)
{
downloadFiles = null;
//Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --> " + ex.Message);
return downloadFiles;
}
}
public static void Upload()//已验证
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "选择文件";
openFileDialog.Filter = "所有文件|*.*|rar文件|*.rar|文本文件|*.txt";
openFileDialog.FileName = string.Empty;
openFileDialog.FilterIndex = 1;
openFileDialog.RestoreDirectory = true;
openFileDialog.DefaultExt = "txt";
DialogResult result = openFileDialog.ShowDialog();
if (result == DialogResult.Cancel)
{
return;
}
string fileName = openFileDialog.FileName;
FileInfo fileInf = new FileInfo(fileName);
string uri = path + fileInf.Name;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.Credentials = new NetworkCredential(username, password);
reqFTP.KeepAlive = false;
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
reqFTP.UseBinary = true;
reqFTP.ContentLength = fileInf.Length;
int buffLength = 2048;
byte[] buff = new byte[buffLength];
int contentLen;
FileStream fs = fileInf.OpenRead();
try
{
Stream strm = reqFTP.GetRequestStream();
contentLen = fs.Read(buff, 0, buffLength);
while (contentLen != 0)
{
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
strm.Close();
fs.Close();
}
catch (Exception ex)
{
//Insert_Standard_ErrorLog.Insert("FtpWeb", "Upload Error --> " + ex.Message);
}
}
public static void Download(string fileName)//已验证
{ SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.FileName = fileName;
saveFileDialog.Filter = "所有文件(*.*)|(*.*)";
if (saveFileDialog.ShowDialog() != DialogResult.OK)
{
return;
} string filePath = saveFileDialog.FileName;
FtpWebRequest reqFTP;
try
{
FileStream outputStream = new FileStream(filePath, FileMode.Create); reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path + fileName));
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(username, password);
FtpWebResponse response = (FtpWebResponse)reqFTP.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);
while (readCount > 0)
{
outputStream.Write(buffer, 0, readCount);
readCount = ftpStream.Read(buffer, 0, bufferSize);
} ftpStream.Close();
outputStream.Close();
response.Close();
}
catch (Exception ex)
{
//Insert_Standard_ErrorLog.Insert("FtpWeb", "Download Error --> " + ex.Message);
}
}
/// <summary>
/// 新建目录 上一级必须先存在
/// </summary>
/// <param name="dirName">服务器下的相对路径</param>
public static void MakeDir(string dirName)//已验证
{
try
{
string uri = path + dirName;
FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
// 指定数据传输类型
reqFTP.UseBinary = true;
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(username, password);
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
Console.WriteLine("创建目录出错：" + ex.Message);
}
} /// <summary>
/// 删除目录 上一级必须先存在
/// </summary>
/// <param name="dirName">服务器下的相对路径</param>
public static void DelDir(string dirName)//已验证
{
try
{
string uri = path + dirName;
FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(username, password);
reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
Console.WriteLine("删除目录出错：" + ex.Message);
}
} /// <summary>
/// 从ftp服务器上获得文件夹列表
/// </summary>
/// <param name="RequedstPath">服务器下的相对路径</param>
/// <returns></returns>
public static List<string> GetDirctory(string RequedstPath)//已验证
{
List<string> strs = new List<string>();
try
{
string uri = path + RequedstPath; //目标路径 path为服务器地址
FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(username, password);
reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = reqFTP.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());//中文文件名 string line = reader.ReadLine();
while (line != null)
{
if (line.Contains("<DIR>"))
{
string msg = line.Substring(line.LastIndexOf("<DIR>") + 5).Trim();
strs.Add(msg);
}
line = reader.ReadLine();
}
reader.Close();
response.Close();
return strs;
}
catch (Exception ex)
{
Console.WriteLine("获取目录出错：" + ex.Message);
}
return strs;
} /// <summary>
/// 从ftp服务器上获得文件列表
/// </summary>
/// <param name="RequedstPath">服务器下的相对路径</param>
/// <returns></returns>
public static List<string> GetFile(string RequedstPath)//已验证
{
List<string> strs = new List<string>();
try
{
string uri = path + RequedstPath; //目标路径 path为服务器地址
FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(username, password);
reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = reqFTP.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());//中文文件名 string line = reader.ReadLine();
while (line != null)
{
if (!line.Contains("<DIR>"))
{
string msg = line.Substring(39).Trim();
strs.Add(msg);
}
line = reader.ReadLine();
}
reader.Close();
response.Close();
return strs;
}
catch (Exception ex)
{
Console.WriteLine("获取文件出错：" + ex.Message);
}
return strs;
}
/// <summary>
/// 获取当前目录下文件列表(仅文件)
/// </summary>
/// <returns></returns>
public static string[] GetFileList1(string mask)
{
string[] downloadFiles;
StringBuilder result = new StringBuilder();
FtpWebRequest reqFTP;
try
{
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path));
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(username, password);
reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;
WebResponse response = reqFTP.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default); string line = reader.ReadLine();
while (line != null)
{
if (mask.Trim() != string.Empty && mask.Trim() != "*.*")
{ string mask_ = mask.Substring(0, mask.IndexOf("*"));
if (line.Substring(0, mask_.Length) == mask_)
{
result.Append(line);
result.Append("\n");
}
}
else
{
result.Append(line);
result.Append("\n");
}
line = reader.ReadLine();
}
result.Remove(result.ToString().LastIndexOf('\n'), 1);
reader.Close();
response.Close();
return result.ToString().Split('\n');
}
catch (Exception ex)
{
downloadFiles = null;
if (ex.Message.Trim() != "远程服务器返回错误: (550) 文件不可用(例如，未找到文件，无法访问文件)。")
{
//Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFileList Error --> " + ex.Message.ToString());
}
return downloadFiles;
}
} /// <summary>
/// 获取当前目录下所有的文件夹列表(仅文件夹)
/// </summary>
/// <returns></returns>
public static string[] GetDirectoryList()
{
string[] drectory = GetFilesDetailList();
string m = string.Empty;
foreach (string str in drectory)
{
int dirPos = str.IndexOf("<DIR>");
if (dirPos > 0)
{
/*判断 Windows 风格*/
m += str.Substring(dirPos + 5).Trim() + "\n";
}
else if (str.Trim().Substring(0, 1).ToUpper() == "D")
{
/*判断 Unix 风格*/
string dir = str.Substring(54).Trim();
if (dir != "." && dir != "..")
{
m += dir + "\n";
}
}
} char[] n = new char[] { '\n' };
return m.Split(n);
} /// <summary>
/// 判断当前目录下指定的子目录是否存在
/// </summary>
/// <param name="RemoteDirectoryName">指定的目录名</param>
public static bool DirectoryExist(string RemoteDirectoryName)
{
string[] dirList = GetDirectoryList();
foreach (string str in dirList)
{
if (str.Trim() == RemoteDirectoryName.Trim())
{
return true;
}
}
return false;
} /// <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 static bool FileExist(string RemoteFileName)
{
string[] fileList = GetFileList1("*.*");
foreach (string str in fileList)
{
if (str.Trim() == RemoteFileName.Trim())
{
return true;
}
}
return false;
}
/// <summary>
/// 改名
/// </summary>
public static void ReName(string currentFilename, string newFilename)//已验证
{
FtpWebRequest reqFTP;
try
{
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path + currentFilename));
string type = Path.GetExtension(currentFilename);//获取文件扩展名
reqFTP.Method = WebRequestMethods.Ftp.Rename;
reqFTP.RenameTo = newFilename+type;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(username, password);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream(); ftpStream.Close();
response.Close();
}
catch (Exception ex)
{
//Insert_Standard_ErrorLog.Insert("FtpWeb", "ReName Error --> " + ex.Message);
}
} /// <summary>
/// 移动文件
/// </summary>
/// <param name="currentFilename"></param>
/// <param name="newFilename"></param>
public static void MovieFile(string currentFilename, string newDirectory)
{
ReName(currentFilename, newDirectory);
}
public static string FileOrDirectory(string path)
{
if (File.Exists(path))
{
return "文件";
}
else if (Directory.Exists(path))
{
return "文件夹";
}
else
{
return "错误";
}
}
}
}