http://www.cnblogs.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![](https://www.cnblogs.com/Emoticons/others/look001.gif)
using System;
using System.Net;
using System.IO;
using System.Text;
using System.Net.Sockets;
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namespace ftpGet
{
/// <summary>
/// FTP Client
/// </summary>
public class FTPClient
{
构造函数
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登陆字段、属性
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链接
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
传输模式
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
文件操作
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
上传和下载
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
目录操作
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内部变量
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内部函数
}
}
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当然,大家还要看看Main方法
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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);
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
/// 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
/// </summary>
/// <returns>创建的目录名</returns>
private static string CreateFolder()
{
string folder=localFolder + "\\"+DateTime.Now.ToShortDateString();
if (!Directory.Exists(folder))
Directory.CreateDirectory(folder);
return folder;
}
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <summary>
/// 在下载结束后清空程序目录的多余文件
/// </summary>
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);
}
}
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/// <summary>
/// 递归获取ftp文件夹的内容
/// </summary>
/// <param name="fileMark">文件标记</param>
/// <param name="path">远程路径</param>
/// <param name="client"></param>
/// <param name="folder"></param>
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[infos.Length - 1].Replace("\r", "");
if (dir.StartsWith("d") && !string.IsNullOrEmpty(dir)) //为目录
{
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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;
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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");
}
}
}
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}
}
}
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配置文件
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key="remotingFolder" value="/temp"/>
<add key="localFolder" value="c:\temp"/>
<add key="ftpServer" value="*"/>
<add key="user" value="*"/>
<add key="pwd" value="*"/>
<add key="port" value="21"/>
</appSettings>
</configuration>