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C#

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using log4net;
using System.IO;
using System.Net;
using System.Text;
namespace DSWeb.Common.Helper
{
public class FtpHelper
{
private static ILog logger = LogManager.GetLogger("FtpHelper");
string ftpServerIP;
public string ftpRemotePath;
string ftpUserID;
string ftpPassword;
string ftpURI;
/// <summary>
/// 连接FTP
/// </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 FtpRemotePath, string FtpUserID, string FtpPassword)
{
ftpServerIP = FtpServerIP;
ftpRemotePath = FtpRemotePath;
ftpUserID = FtpUserID;
ftpPassword = FtpPassword;
ftpURI = "ftp://" + ftpServerIP + "/";
if (!string.IsNullOrWhiteSpace(FtpRemotePath))
{
ftpURI = ftpURI + ftpRemotePath + "/";
}
}
/// <summary>
/// 上传
/// </summary>
/// <param name="filename"></param>
public void Upload(string filename)
{
FileInfo fileInf = new FileInfo(filename);
string uri = ftpURI + fileInf.Name;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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)
{
logger.Error("FtpWeb_1" , ex);
}
}
/// <summary>
/// 下载
/// </summary>
/// <param name="filePath"></param>
/// <param name="fileName"></param>
public void Download(string filePath, string fileName)
{
FtpWebRequest reqFTP;
FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + fileName));
try
{
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
long cl = response.ContentLength;
int bufferSize = 1024;
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();
reqFTP.Abort();
}
catch (Exception ex)
{
reqFTP.Abort();
logger.Error("FtpWeb_2", ex);
}
}
public string getFileStr(string fileName)
{
FtpWebRequest reqFTP;
var result = "";
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + fileName));
try
{
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
long cl = response.ContentLength;
//int bufferSize = 1024;
//int readCount;
//byte[] buffer = new byte[bufferSize];
//readCount = ftpStream.Read(buffer, 0, bufferSize);
//while (readCount > 0)
//{
// for (var _i = 0; _i < readCount; _i++) {
// result += buffer[_i];
// }
// readCount = ftpStream.Read(buffer, 0, bufferSize);
//}
StreamReader reader = new StreamReader(ftpStream);
result = reader.ReadToEnd();
ftpStream.Close();
response.Close();
reqFTP.Abort();
return result;
}
catch (Exception ex)
{
reqFTP.Abort();
logger.Error("FtpWeb_3", ex);
}
reqFTP.Abort();
return "";
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="fileName"></param>
public void Delete(string fileName)
{
string uri = ftpURI + fileName;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
try
{
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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();
reqFTP.Abort();
}
catch (Exception ex)
{
reqFTP.Abort();
logger.Error("FtpWeb Delete Error --> " +fileName,ex);
}
}
/// <summary>
/// 删除文件夹
/// </summary>
/// <param name="folderName"></param>
public void RemoveDirectory(string folderName)
{
try
{
string uri = ftpURI + folderName;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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)
{
logger.Error("FtpWeb Delete folder Error --> " + folderName, 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 string[] GetFilesDetailList(string _path = "")
{
string[] downloadFiles;
StringBuilder result = new StringBuilder();
FtpWebRequest ftp;
ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + _path));
ftp.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = ftp.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
try
{
//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();
ftp.Abort();
return result.ToString().Split('\n');
}
catch (Exception ex)
{
ftp.Abort();
downloadFiles = null;
logger.Error("FtpWeb GetFilesDetailList Error -->" + ex.Message, ex);
//Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --> " + ex.Message);
return downloadFiles;
}
}
/// <summary>
/// 获取当前目录下文件列表(仅文件)
/// 文件名包含【mask】内容的
/// </summary>
/// <returns></returns>
public string[] GetFileList(string mask, out string msg)
{
string[] downloadFiles;
StringBuilder result = new StringBuilder();
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
try
{
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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();
msg = "";
reqFTP.Abort();
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)。")
{
logger.Error("FtpWeb GetFileList Error -->" + ex.Message, ex);
//Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFileList Error --> " + ex.Message.ToString());
}
msg = ex.Message;
reqFTP.Abort();
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 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 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 bool FileExist(string RemoteFileName)
{
string msg = "";
string[] fileList = GetFileList("*.*", out msg);
foreach (string str in fileList)
{
if (str.Trim() == RemoteFileName.Trim())
{
return true;
}
}
return false;
}
/// <summary>
/// 创建文件夹
/// </summary>
/// <param name="dirName"></param>
public Boolean MakeDir(string localFile)//想要创bai建的文du件夹
        {
//  _Uri是Uri类的zhi路径
FtpWebRequest req = (FtpWebRequest)WebRequest.Create(ftpURI + localFile);
req.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
req.Method = WebRequestMethods.Ftp.MakeDirectory;
try
{
FtpWebResponse response = (FtpWebResponse)req.GetResponse();
response.Close();
}
catch (Exception)
{
req.Abort();
return false;
}
req.Abort();
return true;
}
/// <summary>
/// 获取指定文件大小
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public long GetFileSize(string filename)
{
FtpWebRequest reqFTP;
long fileSize = 0;
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)
{
logger.Error("FtpWeb GetFileSize Error -->" + ex.Message, ex);
//Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFileSize Error --> " + ex.Message);
}
return fileSize;
}
/// <summary>
/// 改名
/// </summary>
/// <param name="currentFilename"></param>
/// <param name="newFilename"></param>
public void ReName(string currentFilename, string newFilename)
{
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + currentFilename));
try
{
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();
reqFTP.Abort();
}
catch (Exception ex)
{
reqFTP.Abort();
logger.Error("FtpWeb ReName Error -->" + ex.Message, 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 void MoveFile(string currentFilename, string newDirectory)
{
ReName(currentFilename, newDirectory);
}
/// <summary>
/// 切换当前目录
/// </summary>
/// <param name="DirectoryName"></param>
/// <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 + "/" + ftpRemotePath + "/";
}
/// <summary>
/// 删除订单目录
/// </summary>
/// <param name="ftpServerIP">FTP 主机地址</param>
/// <param name="folderToDelete">FTP 用户名</param>
/// <param name="ftpUserID">FTP 用户名</param>
/// <param name="ftpPassword">FTP 密码</param>
public static void DeleteOrderDirectory(string ftpServerIP, string folderToDelete, string ftpUserID, string ftpPassword)
{
try
{
if (!string.IsNullOrEmpty(ftpServerIP) && !string.IsNullOrEmpty(folderToDelete) && !string.IsNullOrEmpty(ftpUserID) && !string.IsNullOrEmpty(ftpPassword))
{
FtpHelper fw = new FtpHelper(ftpServerIP, folderToDelete, ftpUserID, ftpPassword);
//进入订单目录
fw.GotoDirectory(folderToDelete, true);
//获取规格目录
string[] folders = fw.GetDirectoryList();
foreach (string folder in folders)
{
if (!string.IsNullOrEmpty(folder) || folder != "")
{
//进入订单目录
string subFolder = folderToDelete + "/" + folder;
fw.GotoDirectory(subFolder, true);
//获取文件列表
string msg = "";
string[] files = fw.GetFileList("*.*", out msg);
if (files != null)
{
//删除文件
foreach (string file in files)
{
fw.Delete(file);
}
}
//删除冲印规格文件夹
fw.GotoDirectory(folderToDelete, true);
fw.RemoveDirectory(folder);
}
}
//删除订单文件夹
string parentFolder = folderToDelete.Remove(folderToDelete.LastIndexOf('/'));
string orderFolder = folderToDelete.Substring(folderToDelete.LastIndexOf('/') + 1);
fw.GotoDirectory(parentFolder, true);
fw.RemoveDirectory(orderFolder);
}
else
{
throw new Exception("FTP 及路径不能为空!");
}
}
catch (Exception ex)
{
throw new Exception("删除订单时发生错误,错误信息为:" + ex.Message);
}
}
}
}