项目用到就贴了下来：
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net;
using System.Web;
using SSI.Application.Log;
using System.Configuration;
namespace Tctax.External.Web.Upload
{
public class FtpClass
{
string ftpServerIP;
string ftpUserID;
string ftpPassword;
FtpWebRequest reqFTP;
/// <summary>
/// 连接ftp
/// </summary>
/// <param name="path"></param>
private void Connect(String path)
{
// 根据uri创建FtpWebRequest对象
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path));
// 指定数据传输类型
reqFTP.UseBinary = true;
// ftp用户名和密码
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
}
/// <summary>
/// 获取一个Ftp操作对象：ServerIP、UserID、Password 已初始化
/// </summary>
public FtpClass()
{
FtpSection ftpSetting = ConfigurationManager.GetSection("ftpinfo") as FtpSection;
this.ftpServerIP = ftpSetting.FtpServer;
this.ftpUserID = ftpSetting.User;
this.ftpPassword = ftpSetting.PassWord;
}
/// <summary>
/// 获取一个Ftp操作对象
/// </summary>
/// <param name="ftpServerIP"></param>
/// <param name="ftpUserID"></param>
/// <param name="ftpPassword"></param>
public FtpClass(string ftpServerIP, string ftpUserID, string ftpPassword)
{
this.ftpServerIP = ftpServerIP;
this.ftpUserID = ftpUserID;
this.ftpPassword = ftpPassword;
}
//都调用这个
private string[] GetFileList(string path, string WRMethods)//上面的代码示例了如何从ftp服务器上获得文件列表
{
string[] downloadFiles;
StringBuilder result = new StringBuilder();
try
{
Connect(path);
reqFTP.Method = WRMethods;
WebResponse response = reqFTP.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.Default);//中文文件名
string line = reader.ReadLine();
while (line != null)
{
result.Append(line);
result.Append("\n");
line = reader.ReadLine();
}
// to remove the trailing '\n'
result.Remove(result.ToString().LastIndexOf("\n", StringComparison.OrdinalIgnoreCase), 1);
reader.Close();
response.Close();
return result.ToString().Split('\n');
}
catch
{
downloadFiles = null;
return downloadFiles;
throw;
}
}
/// <summary>
/// //上面的代码示例了如何从ftp服务器上获得文件列表
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public string[] GetFileList(string path)
{
return GetFileList(ftpServerIP + "/" + path, WebRequestMethods.Ftp.ListDirectory);
}
/// <summary>
/// 判断文件是否存在
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public bool ValidateFileExist(string fileName)
{
string[] allFiles = GetFileList(ftpServerIP, WebRequestMethods.Ftp.ListDirectory);
if (allFiles == null)
{
return false;
}
string result = Array.Find(allFiles, delegate(String list)
{
return list.Equals(fileName) ? true : false;
});
if (!string.IsNullOrEmpty(result))
{
return true;
}
else
return false;
}
/// <summary>
/// //上面的代码示例了如何从ftp服务器上获得文件列表
/// </summary>
/// <returns></returns>
public string[] GetFileList()
{
return GetFileList(ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectory);
}
public bool Upload(Stream stream, string filename)
{
string uri = ftpServerIP + "/" + filename;
Connect(uri);//连接
// 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.UploadFile;
reqFTP.ContentLength = stream.Length;
int buffLength = 2048;
byte[] buff = new byte[buffLength];
int contentLen;
try
{
Stream strm = reqFTP.GetRequestStream();
contentLen = stream.Read(buff, 0, buffLength);
while (contentLen != 0)
{
strm.Write(buff, 0, contentLen);
contentLen = stream.Read(buff, 0, buffLength);
}
strm.Close();
stream.Close();
return true;
}
catch (Exception ex)
{
MyLogManager.LogError("UploadFileFtp", "Upload Error" + ex.Message, new object[] { });
}
return false;
}
/// <summary>
/// //上面的代码实现了从ftp服务器上载文件的功能
/// </summary>
/// <param name="filename"></param>
public void Upload(string filename)
{
FileInfo fileInf = new FileInfo(filename);
string uri = ftpServerIP + "/" + fileInf.Name;
Connect(uri);//连接
// 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.UploadFile;
// 上传文件时通知服务器文件的大小
reqFTP.ContentLength = fileInf.Length;
// 缓冲大小设置为kb
int buffLength = 2048;
byte[] buff = new byte[buffLength];
int contentLen;
// 打开一个文件流(System.IO.FileStream) 去读上传的文件
FileStream fs = fileInf.OpenRead();
try
{
// 把上传的文件写入流
Stream strm = reqFTP.GetRequestStream();
// 每次读文件流的kb
contentLen = fs.Read(buff, 0, buffLength);
// 流内容没有结束
while (contentLen != 0)
{
// 把内容从file stream 写入upload stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
// 关闭两个流
strm.Close();
fs.Close();
}
catch (Exception ex)
{
MyLogManager.LogError("UploadFileFtp", "Upload Error" + ex.Message, new object[] {ex });
}
}
/// <summary>
/// ////上面的代码实现了从ftp服务器下载文件的功能
/// </summary>
/// <param name="filePath"></param>
/// <param name="fileName"></param>
/// <param name="errorinfo"></param>
/// <returns></returns>
public bool Download(string filePath, string fileName, out string errorinfo)
{
try
{
String onlyFileName = Path.GetFileName(fileName);
string newFileName = filePath + "\\" + onlyFileName;
if (File.Exists(newFileName))
{
errorinfo = string.Format("本地文件{0}已存在,无法下载", newFileName);
return false;
}
string url = ftpServerIP + "/" + fileName;
Connect(url);//连接
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
int bufferSize = 2048;
int readCount;
byte[] buffer = new byte[bufferSize];
readCount = ftpStream.Read(buffer, 0, bufferSize);
FileStream outputStream = new FileStream(newFileName, FileMode.Create);
while (readCount > 0)
{
outputStream.Write(buffer, 0, readCount);
readCount = ftpStream.Read(buffer, 0, bufferSize);
}
ftpStream.Close();
outputStream.Close();
response.Close();
errorinfo = "";
return true;
}
catch (Exception ex)
{
errorinfo = string.Format("因{0},无法下载", ex.Message);
return false;
}
}
/// <summary>
/// //删除文件
/// </summary>
/// <param name="fileName"></param>
public bool DeleteFileName(string fileName)
{
try
{
string uri = ftpServerIP + "/" + fileName;
Connect(uri);//连接
// 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();
return true;
}
catch (Exception ex)
{
MyLogManager.LogError("DeleteFileFtp", "Delete Error" + ex.Message, new object[] { ex });
}
return false;
}
/// <summary>
/// //创建目录
/// </summary>
/// <param name="dirName"></param>
public void MakeFtpDir(string dirName)
{
try
{
string uri = ftpServerIP + "/" + dirName;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
MyLogManager.LogError("MakeFtpDir", "Make Ftp Dir Error" + ex.Message, new object[] { ex });
}
}
/// <summary>
/// //删除目录
/// </summary>
/// <param name="dirName"></param>
public void DelDir(string dirName)
{
try
{
string uri = ftpServerIP + "/" + dirName;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
catch (Exception ex)
{
MyLogManager.LogError("DelDir", "Del Ftp Dir Error" + ex.Message, new object[] { ex });
}
}
/// <summary>
/// //获得文件大小
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public long GetFileSize(string filename)
{
long fileSize = 0;
try
{
FileInfo fileInf = new FileInfo(filename);
string uri = ftpServerIP + "/" + fileInf.Name;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
fileSize = response.ContentLength;
response.Close();
}
catch (Exception ex)
{
MyLogManager.LogError("GetFileSize", "GetFileSize Error" + ex.Message, new object[] { ex });
}
return fileSize;
}
/// <summary>
/// //文件改名
/// </summary>
/// <param name="currentFilename"></param>
/// <param name="newFilename"></param>
public void Rename(string currentFilename, string newFilename)
{
try
{
FileInfo fileInf = new FileInfo(currentFilename);
string uri = ftpServerIP + "/" + fileInf.Name;
Connect(uri);//连接
reqFTP.Method = WebRequestMethods.Ftp.Rename;
reqFTP.RenameTo = newFilename;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
//Stream ftpStream = response.GetResponseStream();
//ftpStream.Close();
response.Close();
}
catch (Exception ex)
{
MyLogManager.LogError("Rename", "Rename Error" + ex.Message, new object[] { ex });
}
}
/// <summary>
/// //获得文件明晰
/// </summary>
/// <returns></returns>
public string[] GetFilesDetailList()
{
return GetFileList(ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectoryDetails);
}
/// <summary>
/// //获得文件明晰
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public string[] GetFilesDetailList(string path)
{
return GetFileList(ftpServerIP + "/" + path, WebRequestMethods.Ftp.ListDirectoryDetails);
}
/// <summary>
/// Gets the FTP server IP.
/// </summary>
/// <returns></returns>
public string GetFtpServerIP()
{
return ftpServerIP;
}
}
}
映射处理：
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net;
using System.Web;
using SSI.Application.Log;
using System.Configuration;
namespace Tctax.External.Web.Upload
{
public static class FtpUpload
{
static FtpClass ftp = new FtpClass();
//static FtpClass ftp = new FtpClass("ftp://192.168.98.5/", "tctax", "tc0520090126!"); //ftp上传固定地址
private static FtpSection ftpSetting = ConfigurationManager.GetSection("ftpinfo") as FtpSection;
public static bool DeleteFileName(string fileName)
{
return ftp.DeleteFileName(fileName);
}
public static bool UploadFileToFtp(out string filename, HttpPostedFile filepath)
{
filename = Guid.NewGuid().ToString() + filepath.FileName.Substring(filepath.FileName.LastIndexOf(".", StringComparison.OrdinalIgnoreCase));
return ftp.Upload(filepath.InputStream,filename);
}
public static FtpSection FtpSection
{
get
{
return ftpSetting;
}
}
public static bool ValidateFileExist(string fileName)
{
return ftp.ValidateFileExist(fileName);
}
public static bool UploadFileToFtp(Stream stream, string filename)
{
return ftp.Upload(stream, filename);
}
public static string GetFtpServerIP()
{
return ftp.GetFtpServerIP();
}
}
public class FtpSection : ConfigurationSection
{
public FtpSection()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
[ConfigurationProperty("ftpServer", DefaultValue = "ftp://", IsRequired = true)]
public string FtpServer
{
get { return (string)this["ftpServer"]; }
set { this["ftpServer"] = value; }
}
[ConfigurationProperty("ftpUser", DefaultValue = "test", IsRequired = true)]
public string User
{
get { return (string)this["ftpUser"]; }
set { this["ftpUser"] = value; }
}
[ConfigurationProperty("ftpPwd", DefaultValue = "test", IsRequired = true)]
public string PassWord
{
get { return (string)this["ftpPwd"]; }
set { this["ftpPwd"] = value; }
}
[ConfigurationProperty("urlMapping", DefaultValue = "", IsRequired = true)]
public string URL
{
get { return (string)this["urlMapping"]; }
set { this["urlMapping"] = value; }
}
}
}
Web.config配置：
<connectionStrings/>
<!--FTP文件上传设置!-->
<ftpinfo ftpServer="ftp://10.10.2.202/" ftpUser="test" ftpPwd="1qaz@wsx" urlMapping="http://10.10.2.202:2009/ftpFile/"/>