using?System;
using?System.IO;
//?添加命令空間
using?System.Net;
using?System.Text;
using?System.Windows.Forms;

namespace?FTP
{
????public?partial?class?Form1?:?Form
????{
????????private?const?int?ftpport?=?21;
????????private?string?ftpUristring?=?null;
????????private?NetworkCredential?networkCredential;
????????private?string?currentDir?=?“/“;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????IPAddress[]?ips?=?Dns.GetHostAddresses（““）;
????????????ServerIp.Text?=?ips[1].ToString（）;
????????????ServerIp.SelectAll（）;
????????????logout.Enabled?=?false;
????????????FtpResources.Enabled?=?false;
????????????FtpState.Enabled?=?false;
????????????Upload.Enabled?=?false;
????????????download.Enabled?=?false;
????????????Delete.Enabled?=?false;
????????}

????????#region?鍵盤按下事件

????????private?void?tbxServerIp_KeyPress（object?sender?KeyPressEventArgs?e）
????????{
????????????//?輸入用戶名回車后，焦點直接轉(zhuǎn)到密碼文本框
????????????if?（e.KeyChar?==?（char）13）
????????????{
????????????????Username.Focus（）;
????????????}
????????}

????????private?void?tbxUsername_KeyPress（object?sender?KeyPressEventArgs?e）
????????{
????????????//?輸入用戶名回車后，焦點直接轉(zhuǎn)到密碼文本框
????????????if?（e.KeyChar?==?（char）13）
????????????{
????????????????Password.Focus（）;
????????????}
????????}

????????private?void?tbxPassword_KeyPress（object?sender?KeyPressEventArgs?e）
????????{
????????????//?輸入密碼回車后直接可以登錄
????????????if?（e.KeyChar?==?（char）13）
????????????{
????????????????login.Focus（）;
????????????}
????????}
????????#endregion

????????//?匿名復(fù)選框Click事件
????????private?void?Anonymous_Click（object?sender?EventArgs?e）
????????{
????????????//?實名方式登錄
????????????//?此時需要輸入用戶名和密碼
????????????if?（Anonymous.Checked?==?false）
????????????{
????????????????Username.Enabled?=?true;
????????????????Username.Text?=?“user1“;
????????????????Password.Enabled?=?true;
????????????????Password.Text?=?““;
????????????????Username.Focus（）;
????????????}
????????????//?匿名方式
????????????else
????????????{
????????????????Username.Text?=?“anonymous“;
????????????????Username.Enabled?=?false;
????????????????Password.Text?=?““;
????????????????Password.Enabled?=?false;
????????????}
????????}


????????#region?與服務(wù)器的交互
????????
????????//?創(chuàng)建FTP連接
????????private?FtpWebRequest?CreateFtpWebRequest（string?uri?string?requestMethod）
????????{
????????????FtpWebRequest?request?=?（FtpWebRequest）FtpWebRequest.Create（uri）;
????????????request.Credentials?=?networkCredential;
????????????request.KeepAlive?=?true;
????????????request.UseBinary?=?true;
????????????request.Method?=?requestMethod;
????????????return?request;
????????}

????????//?獲取服務(wù)器返回的響應(yīng)體
????????private?FtpWebResponse?GetFtpResponse（FtpWebRequest?request）
????????{
????????????FtpWebResponse?response?=?null;
????????????try
????????????{
????????????????response?=?（FtpWebResponse）request.GetResponse（）;
????????????????FtpState.Items.Add（

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????47616??2016-04-07?15:26??FTP\.vs\FTP\v14\.suo

?????文件??????20480??2015-06-10?15:56??FTP\FTP\bin\Debug\FTP.exe

?????文件??????36352??2015-06-10?15:56??FTP\FTP\bin\Debug\FTP.pdb

?????文件??????23168??2015-06-10?20:37??FTP\FTP\bin\Debug\FTP.vshost.exe

?????文件????????490??2013-06-18?20:28??FTP\FTP\bin\Debug\FTP.vshost.exe.manifest

?????文件??????19968??2015-06-10?15:21??FTP\FTP\bin\Debug\FTPUpDownloader.exe

?????文件??????42496??2015-06-10?15:21??FTP\FTP\bin\Debug\FTPUpDownloader.pdb

?????文件????????490??2013-06-18?20:28??FTP\FTP\bin\Debug\FTPUpDownloader.vshost.exe.manifest

?????文件??????22528??2016-04-07?10:22??FTP\FTP\bin\Release\FTP.exe

?????文件??????30208??2016-04-07?10:22??FTP\FTP\bin\Release\FTP.pdb

?????文件??????22696??2016-04-07?15:26??FTP\FTP\bin\Release\FTP.vshost.exe

?????文件????????490??2015-10-30?15:19??FTP\FTP\bin\Release\FTP.vshost.exe.manifest

?????文件??????20078??2015-06-13?12:45??FTP\FTP\Form1.cs

?????文件??????12088??2015-06-13?12:45??FTP\FTP\Form1.Designer.cs

?????文件??????11015??2015-06-13?09:57??FTP\FTP\Form1.resx

?????文件???????5345??2015-06-10?15:32??FTP\FTP\FTP.csproj

?????文件????????478??2015-06-10?15:32??FTP\FTP\FTP.csproj.user

?????文件???????3262??2015-06-13?09:55??FTP\FTP\FTP.ico

?????文件???????5426??2015-06-10?15:55??FTP\FTP\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6948??2015-06-10?15:33??FTP\FTP\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????398??2015-06-10?20:37??FTP\FTP\obj\x86\Debug\FTP.csproj.FileListAbsolute.txt

?????文件????????977??2015-06-10?15:52??FTP\FTP\obj\x86\Debug\FTP.csproj.GenerateResource.Cache

?????文件???????9180??2015-06-10?15:33??FTP\FTP\obj\x86\Debug\FTP.csprojResolveAssemblyReference.cache

?????文件??????20480??2015-06-10?15:56??FTP\FTP\obj\x86\Debug\FTP.exe

?????文件??????36352??2015-06-10?15:56??FTP\FTP\obj\x86\Debug\FTP.pdb

?????文件????????180??2015-06-10?15:33??FTP\FTP\obj\x86\Debug\FTP.Properties.Resources.resources

?????文件???????1627??2015-06-10?15:25??FTP\FTP\obj\x86\Debug\FTPUpDownloader.csproj.FileListAbsolute.txt

?????文件????????904??2015-06-10?15:21??FTP\FTP\obj\x86\Debug\FTPUpDownloader.csproj.GenerateResource.Cache

?????文件???????9180??2015-06-10?15:21??FTP\FTP\obj\x86\Debug\FTPUpDownloader.csprojResolveAssemblyReference.cache

?????文件??????19968??2015-06-10?15:21??FTP\FTP\obj\x86\Debug\FTPUpDownloader.exe

............此處省略41個文件信息