using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;

using?System.Net;
using?System.Net.Sockets;
using?System.Threading;
using?System.IO;

using?System.Collections;
using?System.Net.NetworkInformation;


namespace?client
{
???

????public?partial?class?Form1?:?Form
????{
????????TcpClient?controltc;
????????NetworkStream?controlns;
????????StreamReader?controlsr;
????????StreamWriter?controlsw;



????????private?static?string?ext?=null;


????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????this.buttonUpDir.Enabled=?false;

????????????Control.CheckForIllegalCrossThreadCalls?=?false;
????????}

????????
????????private?void?closecontrolconnection（）
????????{
????????????this.controltc.Close（）;
????????????this.controlns.Close（）;
????????????this.controlsr.Close（）;
????????????this.controlsw.Close（）;
????????}
????????private?void?buttonConnect_Click（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????
????????????????controltc?=?new?TcpClient（“127.0.0.1“?21）;
????????????}
????????????catch?（Exception?ee）
????????????{
????????????????MessageBox.Show（“與服務器連接失敗！“?+?ee.ToString（））;
????????????????return;
????????????}
????????????controlns?=?controltc.GetStream（）;
????????????controlsr?=?new?StreamReader（controlns?System.Text.Encoding.Unicode）;
????????????controlsw?=?new?StreamWriter（controlns?System.Text.Encoding.Unicode）;

????????????string?str?=?controlsr.ReadLine（）;
????????????this.listBoxInfo.Items.Add（“收到:“?+?str）;

????????????controlsw.WriteLine（“USER?ftpuser“）;
????????????controlsw.Flush（）;
????????????str?=?controlsr.ReadLine（）;


????????????this.listBoxInfo.Items.Add（“收到“+str）;
????????????if?（str?==?“421“）
????????????{
????????????????MessageBox.Show（“用戶名不正確“）;
????????????????this.closecontrolconnection（）;
????????????????return;
????????????}

????????????controlsw.WriteLine（“PASS?ftppass“）;
????????????controlsw.Flush（）;
????????????str?=?controlsr.ReadLine（）;
????????????this.listBoxInfo.Items.Add（“收到:“?+?str）;
????????????if?（str?==?“421“）
????????????{
????????????????MessageBox.Show（“密碼不正確“）;
????????????????this.closecontrolconnection（）;
????????????????return;
????????????}

??????????//獲取FTP根目錄下的子目錄和文件列表
????????????GetDirAndFiles（@“server:\“）;
????????}
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
???????????
????????}
????????private?void?GetDirAndFiles（string?path）
????????{
????????????this.groupBoxDir.Text?=?path;
????????????//-------判斷當前目錄是否為虛擬根目錄---------
????????????if?（path?==?@“server:\“）
????????????{
????????????????this.buttonUpDir.Enabled?=?false;
????????????}
????????????else
????????????{
????????????????this.buttonUpDir.Enabled?=?true;
???????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-02?14:04??client\
?????目錄???????????0??2018-12-02?14:04??client\.vs\
?????目錄???????????0??2018-12-02?14:16??client\.vs\client\
?????目錄???????????0??2018-12-02?14:04??client\.vs\client\v14\
?????文件???????44544??2018-11-27?23:13??client\.vs\client\v14\.suo
?????目錄???????????0??2018-12-02?14:18??client\.vs\client\v15\
?????文件???????47104??2018-12-02?14:51??client\.vs\client\v15\.suo
?????目錄???????????0??2018-12-02?14:18??client\.vs\client\v15\Server\
?????目錄???????????0??2018-12-02?14:18??client\.vs\client\v15\Server\sqlite3\
?????文件???????????0??2018-12-02?14:18??client\.vs\client\v15\Server\sqlite3\db.lock
?????文件????????4096??2018-12-02?14:18??client\.vs\client\v15\Server\sqlite3\storage.ide
?????文件???????32768??2018-12-02?14:18??client\.vs\client\v15\Server\sqlite3\storage.ide-shm
?????文件??????782832??2018-12-02?14:20??client\.vs\client\v15\Server\sqlite3\storage.ide-wal
?????文件???????17408??2018-11-27?23:13??client\client.exe
?????文件?????????985??2018-11-27?23:13??client\client.sln
?????目錄???????????0??2018-12-02?14:20??client\client\
?????文件?????????189??2018-11-27?23:13??client\client\App.config
?????目錄???????????0??2018-12-02?14:04??client\client\bin\
?????目錄???????????0??2018-12-02?14:04??client\client\bin\Debug\
?????文件???????17920??2018-12-02?14:22??client\client\bin\Debug\client.exe
?????文件?????????189??2018-11-27?23:13??client\client\bin\Debug\client.exe.config
?????文件???????34304??2018-12-02?14:22??client\client\bin\Debug\client.pdb
?????文件???????11592??2018-11-28?07:51??client\client\bin\Debug\client.vshost.exe
?????文件?????????189??2018-11-27?23:13??client\client\bin\Debug\client.vshost.exe.config
?????文件?????????490??2014-01-13?21:31??client\client\bin\Debug\client.vshost.exe.manifest
?????文件?????5641456??2018-11-27?23:13??client\client\bin\Debug\mscorlib.dll
?????文件???????59342??2018-11-27?23:13??client\client\bin\Debug\normidna.nlp
?????文件???????47076??2018-11-27?23:13??client\client\bin\Debug\normnfc.nlp
?????文件???????40566??2018-11-27?23:13??client\client\bin\Debug\normnfd.nlp
?????文件???????67808??2018-11-27?23:13??client\client\bin\Debug\normnfkc.nlp
?????文件???????61718??2018-11-27?23:13??client\client\bin\Debug\normnfkd.nlp
............此處省略94個文件信息