自己写的一个可行且简单的FTP操作类
using System;using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;
public class MyFtp
{
//构造方法
public MyFtp()
{
}
public MyFtp(string ftpPR, string loginName, string loginPwd)
{
this.ftpPR = ftpPR;
this.loginName = loginName;
this.loginPwd = loginPwd;
}
//FTP名（例如ftp://accp001/）
string ftpPR;
//Ftp服务器用户名
string loginName;
//Ftp服务器登录密码
string loginPwd;
// 声明请求
FtpWebRequest reqFTP;
//建立Ftp连接,method值为WebRequestMethods.Ftp的枚举,fileLength上传文件的大小
public void FtpConnection(string fileName)
{
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(fileName));
// 销毁到服务器的连接
reqFTP.KeepAlive = true;
// 设置要发送的命令形式
// 设置要2进制传递文件
reqFTP.UseBinary = true;
// 设置登陆的用户名和密码
reqFTP.Credentials = new NetworkCredential(loginName, loginPwd);
}
//获取FTP上指定下载文件的大小
public long GetFileSize(string fileName)
{
FtpConnection(fileName);
reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;
// 获取ftp给的响应
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
return response.ContentLength;
}
//filePath文件保存位置，服务器上fileName含FTP地址完整文件名,下载方法
public void Download(string filePath, string fileName, string saveName)
{
FtpConnection(fileName);
//设定请求使用方法
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
// 获取ftp给的响应
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
// 建立本地保存文件流
FileStream outputStream = new FileStream(filePath + saveName, FileMode.Create);
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);
}
outputStream.Close();
ftpStream.Close();
response.Close();
}
//重载下载方法
public void Download(string filePath, string fileName)
{
Download(filePath, fileName, fileName.Substring(fileName.LastIndexOf(@"/") + 1));
}
//上载文件,fileName本地文件名，fileNewName服务器上名称,path服务器上保存名nfileNewName保存名
public void Upload(string fileName, string path, string fileNewname)
{
string strFileName = "";
// 获取文件的相关信息
FileInfo fileInf = new FileInfo(fileName);
if (fileNewname == "" || fileName == null)
{
strFileName = fileInf.Name;
}
else
{
strFileName = fileNewname;
}
FtpConnection(path + strFileName);
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
// 传输文件的数据格式Binary
reqFTP.UseBinary = true;
// 文件是多大
reqFTP.ContentLength = fileInf.Length;
// 缓冲大小设置为2kb
int buffLength = 2048;
byte[] buff = new byte;
int contentLen;
// 获取ftp给的响应
Stream strm = reqFTP.GetRequestStream();
// 把文件读入到流中
FileStream fs = fileInf.OpenRead();
// 用于存储要由当前请求发送到服务器的数据。
// 把文件流分装成小的字节数组，防止占用太多的服务器内存
contentLen = fs.Read(buff, 0, buffLength);
// 循环把文件流写入待发给ftp服务器的请求流中
while (contentLen != 0)
{
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
fs.Close();
strm.Close();
}
//重载上传方法
public void Upload(string fileName, string path)
{
Upload(fileName, path, fileName.Substring(fileName.LastIndexOf(@"\") + 1));
}
//删除文件
public void DeleteFileName(string fileName)
{
//连接
FtpConnection(fileName);
// 默认为true，连接不会被关闭
reqFTP.KeepAlive = false;
// 指定执行什么命令
reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
//创建目录
public void MakeDir(string dirName)
{
FtpConnection(dirName);
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
//删除目录
public void delDir(string dirName)
{
//连接
FtpConnection(dirName);
reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
response.Close();
}
}
未作修饰了，希望对大家有帮助，winform下课添加progressbar对象做参数修改一下就可以支持进度条，谢谢大家阅览。
页:
[1]