[转]c#上传下载ftp(支持断点续传)
http://www.iyunv.com/zsbfree/archive/2008/01/29/1057643.html这个ftpClient是从网上找来的，自己加了断点续传的方法
using System;
using System.Net;
using System.IO;
using System.Text;
using System.Net.Sockets;
namespace ftpGet
{
///
/// FTP Client
///
public class FTPClient
{
构造函数
登陆字段、属性
链接
传输模式
文件操作
上传和下载
目录操作
内部变量
内部函数
}
}
当然，大家还要看看Main方法
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace ftpGet
{
class Program
{
static string remotingFolder = System.Configuration.ConfigurationSettings.AppSettings["remotingFolder"];//远程ftp文件目录
static string localFolder = System.Configuration.ConfigurationSettings.AppSettings["localFolder"];//要下载到的本地目录
static string ftpServer = System.Configuration.ConfigurationSettings.AppSettings["ftpServer"];//ftp服务器
static string user = System.Configuration.ConfigurationSettings.AppSettings["user"];//用户名
static string pwd = System.Configuration.ConfigurationSettings.AppSettings["pwd"];//密码
static string port = System.Configuration.ConfigurationSettings.AppSettings["port"];//端口
static void Main(string[] args)
{
FTPClient client = new FTPClient(ftpServer, "/", user, pwd, int.Parse(port));
client.Connect();
GetFolder("*", remotingFolder, client, CreateFolder());
client.DisConnect();
ClearFolder();
Console.WriteLine("下载完毕");
System.Threading.Thread.Sleep(3000);
}
///
/// 在本地目录下创建一个以日期为名称的目录，我做这个ftp的主要目的是为了每天都备份
///
/// 创建的目录名
private static string CreateFolder()
{
string folder=localFolder + "\\"+DateTime.Now.ToShortDateString();
if (!Directory.Exists(folder))
Directory.CreateDirectory(folder);
return folder;
}
///
/// 在下载结束后清空程序目录的多余文件
///
private static void ClearFolder()
{
string folder = Environment.CurrentDirectory;
string[] dictorys = Directory.GetFiles(folder);
foreach (string dictory in dictorys)
{
FileInfo info = new FileInfo(dictory);
if (info.Length == 0)
File.Delete(dictory);
}
}
///
/// 递归获取ftp文件夹的内容
///
/// 文件标记
/// 远程路径
///
///
private static void GetFolder(string fileMark, string path, FTPClient client, string folder)
{
string[] dirs = client.Dir(path);//获取目录下的内容
client.ChDir(path);//改变目录
foreach (string dir in dirs)
{
string[] infos = dir.Split(' ');
string info = infos.Replace("\r", "");
if (dir.StartsWith("d") && !string.IsNullOrEmpty(dir))//为目录
{
if (!info.EndsWith(".") && !info.EndsWith(".."))//筛选出真实的目录
{
Directory.CreateDirectory(folder + "\\" + info);
GetFolder(fileMark, path + "/" + info, client, folder + "\\" + info);
client.ChDir(path);
}
}
else if (dir.StartsWith("-r"))//为文件
{
string file = folder + "\\" + info;
if (File.Exists(file))
{
long remotingSize = client.GetFileSize(info);
FileInfo fileInfo = new FileInfo(file);
long localSize = fileInfo.Length;
if (remotingSize != localSize)//短点续传
{
client.GetBrokenFile(info, folder, info, localSize);
}
}
else
{
client.GetFile(info, folder, info);//下载文件
Console.WriteLine("文件" + folder + info + "已经下载");
}
}
}
}
}
}
配置文件
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