第一页（服务端） ：远程资源管理器 c#应用源代码，SERVICE + CLIENT 模式 可实现远程文件管理，下载功能

这个代码是我早些时候写出来的，虽然功能完备，但代码略显稚嫩，发现有网友需要，就把他发出来了。
// 服务端
using System;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using System.IO;
using System.Collections;
class ServerApp
{
public static void Main()
{
Server server=new Server();
server.Start();
}
}
class Server
{

private IPAddress ip;
private int port;
private TcpListener listener;
private Socket client;
private RequestController processor;
private Thread processingThread;
public static int UID;
public Server()
{
InitializeComponents();
}
private void InitializeComponents()
{
port = 44444; // 端口
ip = Dns.Resolve(Dns.GetHostName()).AddressList[0]; // ?得当前机器ip

listener = new TcpListener(ip,port);
listener.Start(); // ?始?听
Console.WriteLine("Server " + ip.ToString() + " : " + port.ToString() + " Startup.");
Console.Write( "Listening..." );
}
public void Start()
{
try
{
while(true)
{
client = listener.AcceptSocket(); //接收客?端?接
processor = new RequestController(client);
processingThread = new Thread(new ThreadStart(processor.Process)); //服?器将将生成一个新的?程来?理客?端?求
processingThread.Start();
}
}
catch(Exception ex)
{
Console.WriteLine(ex.ToString());
}
finally
{
listener.Stop();
}
}
}
public class RequestController //?理客?端?求的?
{
private bool quitRequested;
private string welcomeMessage;
private NetworkStream stream; //System.Net.Sockets
private StreamWriter writer;
private StreamReader reader;
private Socket client;
private string clientCommand;
private bool isSuccess;
private ArrayList alResult;
public string StaticPath
{
get{return staticPath;}
set{staticPath = value;}
}
private string staticPath = @"d:\";//当前会话的静态服务器Path
public RequestController(Socket client)
{
this.client=client;
InitializeComponent();
}
public RequestController(string path)
{
this.StaticPath = path;
}
private void InitializeComponent() //初始化
{
quitRequested = false;
welcomeMessage="欢迎来到 THUNDERS 的远程控制中心\r\n";
stream=new NetworkStream(client); // NetworkStream
writer=new StreamWriter(stream); // StreamWriter
writer.AutoFlush = true;
reader=new StreamReader(stream); // StreamReader
}
# region 辅助函数
private string RetBlank(int BlankNum)
{
string sBlank = "";
for(int i=0;i<BlankNum;i++)
{
sBlank += " ";
}
return sBlank;
}
private string RetalResult(ArrayList _alResult)
{
string _sResult = "";
for(int i=0;i<_alResult.Count;i++)
{
_sResult += _alResult[i].ToString() + "\r\n";
}
_sResult += "<OVER>";
return _sResult;
}
private string RetCommand(string inputCommand)
{
if(inputCommand !=null)
{
string[] str = inputCommand.Split(' ');

return str[0].ToString();
}
else
return "";
}
#endregion
public void Process()
{
try
{
writer.WriteLine(welcomeMessage); //往NetworkStream中写?迎信息
Console.Write("\r\n用户" + Server.UID++ + " 于 " + DateTime.Now.ToString() + "登陆至服务器" );
while(!quitRequested) //当?求未被?止
{
writer.Write("<OVER>");
clientCommand=reader.ReadLine(); //?取客?端?求（命令）
string commStr = this.RetCommand(clientCommand);
if(clientCommand == "")
continue;
switch(commStr)
{
case "dir":

case "copy":

case "del":

case "cd":

case "setdir":


case "md":

case "move":

case "get":
case "update":
DirAccess da1= new DirAccess(this);
this.alResult = da1.dirAccess(client,clientCommand,out isSuccess);
writer.WriteLine(this.RetalResult(this.alResult));
break;


case "?":
case "help":
case "/help":
writer.WriteLine("请输入指定的命令:" +
"dir / copy / del / cd / setdir / update /get" +
"\r\n copy格式： 目录拷贝： copy g:\\001 c:\\001 \r\n copy格式： 文件拷贝： copy 001.txt g:\\001 \r\n (目录为全名称，文件为半名称)\r\n<OVER>" );
break;
case "exit":
quitRequested=true;
break;

default: // 服?器只提供"G"和"Q"命令
writer.WriteLine("Supported Command: A, G, Q.");
break;
}
Console.Write("\r\n命令操作:" + clientCommand+"\r\n");
}
Console.Write("\r\n用户" + Server.UID + " 于 " + DateTime.Now.ToString() + "退出服务器" );
Server.UID--;
}
catch(Exception ex)
{
Console.WriteLine("####系统报错！ + " + ex.Message);
}
finally
{
writer.Close();
reader.Close();
stream.Close();
client.Close();
}
}
public class DirAccess
{
RequestController rc1;
private System.IO.DirectoryInfo directoryInfo;
public DirAccess(RequestController rc)
{
this.rc1 = rc;
}
private int RetCommandTag(string sCommand)
{
int CommandTag = -1;//0 为 DIR 1 为 copy 2 为 del
if(sCommand.IndexOf("dir")!=-1)
CommandTag = 0;
if(sCommand.IndexOf("copy")!=-1)
CommandTag = 1;
if(sCommand.IndexOf("del")!=-1)
CommandTag = 2;
if(sCommand.IndexOf("cd")!=-1)
CommandTag = 3;
if(sCommand.IndexOf("setdir")!=-1)
CommandTag = 4;
if(sCommand.IndexOf("update")!=-1)
CommandTag = 5;
if(sCommand.IndexOf("get")!=-1)
CommandTag = 6;
if(sCommand.IndexOf("move")!=-1)
CommandTag = 7;
if(sCommand.IndexOf("md")!=-1)
CommandTag = 8;
return CommandTag;
}
private ArrayList convertArrayToArrayList(string[] arrStr)
{
ArrayList al = new ArrayList();
for(int i=0;i< arrStr.Length;i++)
{
al.Add(arrStr[i]);
}
return al;
}

private ArrayList RetPathInfo(string path)
{
//DirectoryInfo di = new DirectoryInfo(@"c:\MyDir");
DirectoryInfo dir;
ArrayList alDir = new ArrayList();
dir = new DirectoryInfo(path);
for(int i=0;i<dir.GetDirectories().Length;i++)
{
alDir.Add("<DIR> " + dir.GetDirectories()[i].LastWriteTime.ToString("yy-MM-dd HH:MM:ss") + " " + dir.GetDirectories()[i].Name);
}
return alDir;
}
private ArrayList RetFileInfo(string path)
{
DirectoryInfo dir;
ArrayList alDir = new ArrayList();
dir = new DirectoryInfo(path);
for(int i=0;i<dir.GetFiles().Length;i++)
{
alDir.Add(" "+ dir.GetFiles()[i].LastWriteTime.ToString("yy-MM-dd HH:MM:ss") + " " + dir.GetFiles()[i].Name );
}
return alDir;
}
private bool CopyDir(string toPath,string FromPath)
{
DirectoryInfo dir2 = new DirectoryInfo(toPath);
if(!dir2.Exists)
dir2.Create();
DirectoryInfo dir1;
dir1 = new DirectoryInfo(FromPath);
try
{
this.CopyDir1(dir1,toPath,FromPath);
}
catch(IOException ex1)
{
return false;
}
return true;

}
private void CopyDir1(DirectoryInfo dir1,string toPath,string FromPath)
{
//string[] ArrayFiles = dir1.GetFiles();
//string[] ArrayDirs = dir1.GetDirectories();
if(dir1.GetFiles().Length>0)
{
for(int i = 0;i<dir1.GetFiles().Length;i++)
{
File.Copy(FromPath + "\\" + dir1.GetFiles()[i].Name,toPath + "\\" + dir1.GetFiles()[i].Name,true);
}
}
if(dir1.GetDirectories().Length>0)
{
for(int j = 0;j<dir1.GetDirectories().Length;j++)
{
DirectoryInfo dir2 = new DirectoryInfo(toPath + "\\" + dir1.GetDirectories()[j].Name);
dir2.Create();
FromPath = FromPath + "\\" + dir1.GetDirectories()[j].Name;
this.CopyDir1(dir1.GetDirectories()[j],toPath + "\\" + dir1.GetDirectories()[j].Name,FromPath);
}
}
}
private string retFileName(string FilePath)
{
//c:\aa\bbf.txt
int index;
index = FilePath.LastIndexOf("\\");
return FilePath.Substring(index + 1);
}

private bool upload(Socket client,string LocalFilePath,long offset)
{
int bytes;
Byte[] buffer = new Byte[1024];
//long offset;//文件的开始位置
FileStream input = new FileStream( LocalFilePath,FileMode.Open);
if(offset != 0)
{
input.Seek(offset,SeekOrigin.Begin);
}
//Console.Write("Uploading ....File [" + this.retFileName(LocalFilePath) + "]");
Thread.Sleep(500);
while ((bytes = input.Read(buffer,0,buffer.Length)) > 0)
{
client.Send(buffer, bytes, 0);
}
input.Close();
Byte[] buffer1 = new Byte[10];
client.Receive(buffer1);
if(client.Connected)
{

return true;
}
else
return false;

}