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using System.IO;
using System.Net;
using System.Text;
using System.Diagnostics;
using System.Text.RegularExpressions;
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//从ftp上下载文件
private void Download(string filePath, string ImageSrc, string ImageName, string ftpServerIP, string
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ftpUserName, string ftpPwd)
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{
if (!Directory.Exists(filePath))
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{
Directory.CreateDirectory(filePath);
}
using (FileStream OutputStream = new FileStream(filePath + "\\" + ImageName, FileMode.Create))
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{
FtpWebRequest ReqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" +
![](/Images/OutliningIndicators/InBlock.gif)
ImageSrc));
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ReqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
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ReqFTP.UseBinary = true;
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ReqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
![](/Images/OutliningIndicators/InBlock.gif)
using (FtpWebResponse response = (FtpWebResponse)ReqFTP.GetResponse())
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{
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using (Stream FtpStream = response.GetResponseStream())
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{
![](/Images/OutliningIndicators/InBlock.gif)
long Cl = response.ContentLength;
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int bufferSize = 2048;
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int readCount;
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byte[] buffer = new byte[bufferSize];
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readCount = FtpStream.Read(buffer, 0, bufferSize);
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while (readCount > 0)
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{
OutputStream.Write(buffer, 0, readCount);
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readCount = FtpStream.Read(buffer, 0, bufferSize);
}
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FtpStream.Close();
}
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response.Close();
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}
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OutputStream.Close();
}
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}
//从服务器上传文件到FTP上
private void UploadSmall(string sFileDstPath, string FolderName, string ftpServerIP, string ftpUserName,
![](/Images/OutliningIndicators/None.gif)
string ftpPwd)
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{
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FileInfo fileInf = new FileInfo(sFileDstPath);
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FtpWebRequest reqFTP;
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reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" + FolderName + "/" +
![](/Images/OutliningIndicators/InBlock.gif)
fileInf.Name));
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
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reqFTP.KeepAlive = false;
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reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
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reqFTP.UseBinary = true;
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reqFTP.ContentLength = fileInf.Length;
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int buffLength = 2048;
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byte[] buff = new byte[buffLength];
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int contentLen;
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using (FileStream fs = fileInf.OpenRead())
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{
![](/Images/OutliningIndicators/InBlock.gif)
using (Stream strm = reqFTP.GetRequestStream())
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{
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contentLen = fs.Read(buff, 0, buffLength);
![](/Images/OutliningIndicators/InBlock.gif)
while (contentLen != 0)
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{
![](/Images/OutliningIndicators/InBlock.gif)
strm.Write(buff, 0, contentLen);
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contentLen = fs.Read(buff, 0, buffLength);
}
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strm.Close();
}
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fs.Close();
}
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}
//删除服务器上的文件
private void DeleteWebServerFile(string sFilePath)
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{
if (File.Exists(sFilePath))
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{
File.Delete(sFilePath);
}
}
//删除FTP上的文件
private void DeleteFtpFile(string[] IName, string FolderName, string ftpServerIP, string ftpUserName, string
![](/Images/OutliningIndicators/None.gif)
ftpPwd)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
foreach (string ImageName in IName)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
string[] FileList = GetFileList(FolderName, ftpServerIP, ftpUserName, ftpPwd);
for (int i = 0; i < FileList.Length; i++)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
string Name = FileList[i].ToString();
if (Name == ImageName)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
FtpWebRequest ReqFTP;
![](/Images/OutliningIndicators/InBlock.gif)
ReqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" +
![](/Images/OutliningIndicators/InBlock.gif)
FolderName + "/" + ImageName));
![](/Images/OutliningIndicators/InBlock.gif)
ReqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
![](/Images/OutliningIndicators/InBlock.gif)
ReqFTP.KeepAlive = false;
![](/Images/OutliningIndicators/InBlock.gif)
ReqFTP.Method = WebRequestMethods.Ftp.DeleteFile;
![](/Images/OutliningIndicators/InBlock.gif)
ReqFTP.UseBinary = true;
![](/Images/OutliningIndicators/InBlock.gif)
using (FtpWebResponse Response = (FtpWebResponse)ReqFTP.GetResponse())
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{
![](/Images/OutliningIndicators/InBlock.gif)
long size = Response.ContentLength;
![](/Images/OutliningIndicators/InBlock.gif)
using (Stream datastream = Response.GetResponseStream())
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
using (StreamReader sr = new StreamReader(datastream))
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
sr.ReadToEnd();
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sr.Close();
}
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datastream.Close();
}
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Response.Close();
}
}
}
![](/Images/OutliningIndicators/InBlock.gif)
}
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}
//检查文件是否存在
public string[] GetFileList(string FolderName, string ftpServerIP, string ftpUserName, string ftpPwd)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
string[] downloadFiles;
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StringBuilder result = new StringBuilder();
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FtpWebRequest reqFTP;
try
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{
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" + FolderName +
![](/Images/OutliningIndicators/InBlock.gif)
"/"));
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.UseBinary = true;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;
![](/Images/OutliningIndicators/InBlock.gif)
WebResponse response = reqFTP.GetResponse();
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StreamReader reader = new StreamReader(response.GetResponseStream());
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string line = reader.ReadLine();
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while (line != null)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
result.Append(line);
![](/Images/OutliningIndicators/InBlock.gif)
result.Append("\n");
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line = reader.ReadLine();
}
// to remove the trailing '\n'
result.Remove(result.ToString().LastIndexOf('\n'), 1);
![](/Images/OutliningIndicators/InBlock.gif)
reader.Close();
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response.Close();
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return result.ToString().Split('\n');
}
catch (Exception ex)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
downloadFiles = null;
return downloadFiles;
}
}
//从客户端上传文件到FTP上
private void UploadFtp(HttpPostedFile sFilePath, string filename, string FolderName, string ftpServerIP,
![](/Images/OutliningIndicators/None.gif)
string ftpUserName, string ftpPwd)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
//获取的服务器路径
//FileInfo fileInf = new FileInfo(sFilePath);
![](/Images/OutliningIndicators/InBlock.gif)
FtpWebRequest reqFTP;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" + FolderName + "/" +
![](/Images/OutliningIndicators/InBlock.gif)
filename));
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.KeepAlive = false;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.UseBinary = true;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.ContentLength = sFilePath.ContentLength;
//设置缓存
int buffLength = 2048;
![](/Images/OutliningIndicators/InBlock.gif)
byte[] buff = new byte[buffLength];
![](/Images/OutliningIndicators/InBlock.gif)
int contentLen;
![](/Images/OutliningIndicators/InBlock.gif)
using (Stream fs = sFilePath.InputStream)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
using (Stream strm = reqFTP.GetRequestStream())
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
contentLen = fs.Read(buff, 0, buffLength);
![](/Images/OutliningIndicators/InBlock.gif)
while (contentLen != 0)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
strm.Write(buff, 0, contentLen);
![](/Images/OutliningIndicators/InBlock.gif)
contentLen = fs.Read(buff, 0, buffLength);
}
![](/Images/OutliningIndicators/InBlock.gif)
strm.Close();
}
![](/Images/OutliningIndicators/InBlock.gif)
fs.Close();
}
![](/Images/OutliningIndicators/InBlock.gif)
}
//创建目录
private void CreateDirectory(string FolderName, string ftpServerIP, string ftpUserName, string ftpPwd)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
//创建日期目录
try
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" +
![](/Images/OutliningIndicators/InBlock.gif)
FolderName));
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.UseBinary = true;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.KeepAlive = false;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
![](/Images/OutliningIndicators/InBlock.gif)
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
}
catch
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('系统忙,请稍后再
![](/Images/OutliningIndicators/InBlock.gif)
试!');location.href=location.href;</script>");
}
}
//检查日期目录和文件是否存在
private static Regex regexName = new Regex(@"[^\s]*$", RegexOptions.Compiled);
private bool CheckFileOrPath(string FolderName, string ftpServerIP, string ftpUserName, string ftpPwd)
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
//检查一下日期目录是否存在
FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/"));
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.UseBinary = true;
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPwd);
![](/Images/OutliningIndicators/InBlock.gif)
reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
![](/Images/OutliningIndicators/InBlock.gif)
Stream stream = reqFTP.GetResponse().GetResponseStream();
![](/Images/OutliningIndicators/InBlock.gif)
using (StreamReader sr = new StreamReader(stream))
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
string line = sr.ReadLine();
![](/Images/OutliningIndicators/InBlock.gif)
while (!string.IsNullOrEmpty(line))
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
GroupCollection gc = regexName.Match(line).Groups;
if (gc.Count != 1)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
throw new ApplicationException("FTP 返回的字串格式不正确");
}
![](/Images/OutliningIndicators/InBlock.gif)
string path = gc[0].Value;
if (path == FolderName)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
return true;
}
![](/Images/OutliningIndicators/InBlock.gif)
line = sr.ReadLine();
}
}
![](/Images/OutliningIndicators/InBlock.gif)
return false;
![](/Images/OutliningIndicators/InBlock.gif)
}
}
![](/Images/OutliningIndicators/None.gif)
![](/Images/OutliningIndicators/None.gif)
posted on
2007-08-19 17:12
小成
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