public class FtpClient
{
private string host;
private string user;
private string password;
private string path;
private string uri;
/// <summary>
/// 连接FTP
/// </summary>
/// <param name="host">FTP连接地址</param>
/// <param name="user">用户名</param>
/// <param name="password">密码</param>
/// <param name="path">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>
public FtpClient(string host, string user, string password, string path = null)
{
this.host = host;
this.user = user;
this.password = password;
this.uri = "ftp://" + host + "/";
if (path != null) this.uri += path + "/";
this.path = path;
}
/// <summary>
/// 上传
/// </summary>
/// <param name="filename"></param>
public void upload(string filename)
{
FileInfo fileInf = new FileInfo(filename);
string uri = this.uri + fileInf.Name;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.Credentials = new NetworkCredential(user, 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) {
throw new Exception(ex.Message);
}
}
/// <summary>
/// 下载
/// </summary>
/// <param name="remoteUri">远程路径和名称</param>
/// <param name="localUri">本地路径和名称</param>
public void download(string remoteUri, string localUri)
{
try {
var outputStream = new FileStream(localUri, FileMode.Create);
var ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(this.uri + remoteUri));
ftp.Method = WebRequestMethods.Ftp.DownloadFile;
ftp.UseBinary = true;
ftp.Credentials = new NetworkCredential(this.user, this.password);
var response = (FtpWebResponse)ftp.GetResponse();
var 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) {
throw ex;
}
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="remoteUri">远程路径和名称</param>
public void delete(string remoteUri)
{
try {
var ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(this.uri + remoteUri));
ftp.Credentials = new NetworkCredential(user, password);
ftp.KeepAlive = false;
ftp.Method = WebRequestMethods.Ftp.DeleteFile;
string result = String.Empty;
var response = (FtpWebResponse)ftp.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 ex;
}
}
/// <summary>
/// 删除文件夹
/// </summary>
/// <param name="folderName"></param>
public void RemoveDirectory(string folderName)
{
try {
string uri = this.uri + folderName;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.Credentials = new NetworkCredential(user, 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) {
throw new Exception(ex.Message);
}
}
/// <summary>
/// 获取当前目录下明细(包含文件和文件夹)
/// </summary>
/// <returns></returns>
public string[] getFilesDetailList()
{
try {
StringBuilder result = new StringBuilder();
FtpWebRequest ftp;
ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
ftp.Credentials = new NetworkCredential(user, 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) {
throw ex;
}
}
/// <summary>
/// 获取当前目录下文件列表(仅文件)
/// </summary>
/// <returns></returns>
public string[] getFiles(string remoteUri = "")
{
try {
var ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(this.uri + remoteUri));
ftp.UseBinary = true;
ftp.Credentials = new NetworkCredential(user, password);
ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
WebResponse response = ftp.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
var result = new StringBuilder();
reader.ReadLine();
string line = reader.ReadLine();
while (line != null) {
if (line.Length > 0) result.Append(line.Substring(line.LastIndexOf(' ') + 1)).Append("\n");
line = reader.ReadLine();
}
reader.Close();
response.Close();
if (result.Length > 0) {
result.Remove(result.ToString().LastIndexOf('\n'), 1);
return result.ToString().Split('\n');
} else {
return new string[]{};
}
} catch (Exception ex) {
throw ex;
}
}
/// <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[] fileList = getFiles();
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 void MakeDir(string dirName)
{
FtpWebRequest reqFTP;
try {
// dirName = name of the directory to create.
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri + dirName));
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(user, password);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
ftpStream.Close();
response.Close();
} catch (Exception ex) {
throw new Exception(ex.Message);
}
}
/// <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(uri + filename));
reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(user, password);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
fileSize = response.ContentLength;
ftpStream.Close();
response.Close();
} catch (Exception ex) {
throw new Exception(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;
try {
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri + currentFilename));
reqFTP.Method = WebRequestMethods.Ftp.Rename;
reqFTP.RenameTo = newFilename;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(user, password);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
ftpStream.Close();
response.Close();
} catch (Exception ex) {
throw new Exception(ex.Message);
}
}
/// <summary>
/// 移动文件
/// </summary>
/// <param name="currentFilename"></param>
/// <param name="newFilename"></param>
public void MovieFile(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) {
path = DirectoryName;
} else {
path += DirectoryName + "/";
}
uri = "ftp://" + host + "/" + path + "/";
}
/// <summary>
/// 删除订单目录
/// </summary>
/// <param name="host">FTP 主机地址</param>
/// <param name="folderToDelete">FTP 用户名</param>
/// <param name="user">FTP 用户名</param>
/// <param name="password">FTP 密码</param>
public static void DeleteOrderDirectory(string host, string folderToDelete, string user, string password)
{
try {
if (!string.IsNullOrEmpty(host) && !string.IsNullOrEmpty(folderToDelete) && !string.IsNullOrEmpty(user) && !string.IsNullOrEmpty(password)) {
FtpClient fw = new FtpClient(host, folderToDelete, user, password);
//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[] files = fw.getFiles();
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);
}
}
}
