使用FtpWebRequest 类操作（上传、下载和删除）FTP上的XML文件
使用如下类来实现ftp上操作xml遇到如下问题：1、在公司内网中的服务器上搭建ftp来操作，一切正常；但是，当连接客户的机器的时候，出现乱码；
2、加上WebProxy后，客户端是xml格式的，下载到本地却是html格式的；
也不晓得问题到底出在哪里？。。。。
分析客户的ftp和内网中ftp的区别：
客户方的ftp是采用非标准的ssl端口连接，所以需要开启相应的ssl端口；（已开启了的）
还请阅读本篇文章的高手多多指点下了~~！
public class FtpWeb_Delete
{
private static log4net.ILog log = log4net.LogManager.GetLogger(typeof(FtpWeb_Delete));
string ftpServerIP;
string ftpRemotePath;
string ftpOutPutPath;
string ftpUserID;
string ftpPassword;
string ftpURI;
//string proxyName;
//string proxyPass;
private WebProxy _proxy = null;
public WebProxy proxy
{
get
{
return _proxy;
}
set
{
_proxy = value;
}
}
///
/// 连接FTP
///
/// FTP连接地址
/// 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
/// 用户名
/// 密码
public FtpWeb_Delete(string FtpServerIP, string FtpRemotePath, string FtpOutPutPath, string FtpUserID, string FtpPassword)
{
ftpServerIP = FtpServerIP;
ftpRemotePath = FtpRemotePath;
ftpOutPutPath = FtpOutPutPath;
ftpUserID = FtpUserID;
ftpPassword = FtpPassword;
ftpURI = "ftp://" + ftpServerIP + "/";
//this._proxy = objProxy;
//objProxy.Credentials = new NetworkCredential(this.proxyName,this.proxyPass);
}
///
/// 上传
///
///
public void Upload(string filename)
{
FileInfo fileInf = new FileInfo(filename);
string uri = GotoDirectory(ftpOutPutPath, true) + fileInf.Name;
//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.Credentials = new NetworkCredential(this.proxyName,this.proxyPass);
if (this._proxy != null)
{
reqFTP.Proxy = this._proxy;
}
reqFTP.ContentLength = fileInf.Length;
int buffLength = 2048;
byte[] buff = new byte;
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)
{
log.Error("FtpWeb,Upload Error -->", ex);
}
}
///
/// 下载
///
///
///
public void Download(string filePath, string fileName)
{
FtpWebRequest reqFTP;
try
{
string uri = GotoDirectory(ftpRemotePath, true) + fileName;
FileStream outputStream = new FileStream(filePath + fileName, FileMode.Create);
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
if (this._proxy != null)
{
reqFTP.Proxy = this._proxy;
}
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
long cl = response.ContentLength;
int bufferSize = 2048;
int readCount;
byte[] buffer = new byte;
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)
{
log.Error("FtpWeb,Download Error --> ", ex);
}
}
///
/// 删除文件
///
///
public void Delete(string fileName)
{
try
{
string uri = GotoDirectory(ftpRemotePath, true) + "/" + fileName;
//string uri = ftpURI + fileName;
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
//reqFTP.EnableSsl = true;//用户名加密
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)
{
log.Error("FtpWeb,Delete Error --> ", ex);
}
}
///
/// 获取当前目录下明细(包含文件和文件夹)
///
///
public string[] GetFilesDetailList()
{
string[] downloadFiles;
try
{
StringBuilder result = new StringBuilder();
FtpWebRequest ftp;
//ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/"));
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(), Encoding.Default);
string 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;
log.Error("FtpWeb,GetFilesDetailList Error --> ", ex);
return downloadFiles;
}
}
///
/// 获取文件
///
///
public string[] GetFileList()
{
string[] downloadFiles;
StringBuilder result = new StringBuilder();
FtpWebRequest reqFTP;
string uri = GotoDirectory(ftpRemotePath, true);
try
{
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
reqFTP.UseBinary = true;
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;
WebResponse response = reqFTP.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream());
string line = reader.ReadLine();
while (line != null)
{
result.Append(line);
result.Append("\n");
line = reader.ReadLine();
}
// to remove the trailing 'n'
if (result.Length != 0)
{
result.Remove(result.ToString().LastIndexOf('\n'), 1);//提醒
}
reader.Close();
response.Close();
if (result.Length != 0)
{
return result.ToString().Split('\n');
}
else
{
return null;
}
}
catch (Exception ex)
{
log.Error("FtpWeb,GetFileList Error --> ", ex);
downloadFiles = null;
return downloadFiles;
}
}
///
/// 获取当前目录下所有的文件夹列表(仅文件夹)
///
///
public string[] GetDirectoryList()
{
string[] drectory = GetFilesDetailList();
string m = string.Empty;
foreach (string str in drectory)
{
int dirPos = str.IndexOf("");
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);
}
///
/// 判断当前目录下指定的文件是否存在
///
/// 远程文件名
public bool FileExist(string RemoteFileName)
{
string[] fileList = GetDirectoryList();
foreach (string str in fileList)
{
if (str.Trim() == RemoteFileName.Trim())
{
return true;
}
}
return false;
}
///
/// 切换当前目录
///
///
/// true 绝对路径 false 相对路径
public string GotoDirectory(string DirectoryName, bool IsRoot)
{
if (IsRoot)
{
ftpRemotePath = DirectoryName;
}
else
{
ftpRemotePath += DirectoryName + "/";
}
ftpURI = "ftp://" + ftpServerIP + "/" + ftpRemotePath + "/";
return ftpURI;
}
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