C#一个FTP操作封装类FTPHelper

参考了网上一些代码，作了一些调整优化。

001 using System;

002 using System.Collections.Generic;

003 using System.Linq;

004 using System.Text;

005 using System.Net;

006 using System.IO;

007

008 public class FTPHelper

009 {

010 /// <summary>

011 /// FTP请求对象

012 /// </summary>

013 FtpWebRequest request = null;

014 /// <summary>

015 /// FTP响应对象

016 /// </summary>

017 FtpWebResponse response = null;

018 /// <summary>

019 /// FTP服务器地址

020 /// </summary>

021 public string ftpURI { get; private set; }

022 /// <summary>

023 /// FTP服务器IP

024 /// </summary>

025 public string ftpServerIP { get; private set; }

026 /// <summary>

027 /// FTP服务器默认目录

028 /// </summary>

029 public string ftpRemotePath { get; private set; }

030 /// <summary>

031 /// FTP服务器登录用户名

032 /// </summary>

033 public string ftpUserID { get; private set; }

034 /// <summary>

035 /// FTP服务器登录密码

036 /// </summary>

037 public string ftpPassword { get; private set; }

038

039 /// <summary>

040 /// 初始化

041 /// </summary>

042 /// <param name="FtpServerIP">FTP连接地址</param>

043 /// <param name="FtpRemotePath">指定FTP连接成功后的当前目录, 如果不指定即默认为根目录</param>

044 /// <param name="FtpUserID">用户名</param>

045 /// <param name="FtpPassword">密码</param>

046 public FTPHelper(string ftpServerIP, string ftpRemotePath, string ftpUserID, stringftpPassword)

047 {

048 this.ftpServerIP = ftpServerIP;

049 this.ftpRemotePath = ftpRemotePath;

050 this.ftpUserID = ftpUserID;

051 this.ftpPassword = ftpPassword;

052 this.ftpURI = "ftp://" + ftpServerIP + "/" + ftpRemotePath + "/";

053 }

054 ~FTPHelper()

055 {

056 if (response != null)

057 {

058 response.Close();

059 response = null;

060 }

061 if (request != null)

062 {

063 request.Abort();

064 request = null;

065 }

066 }

067 /// <summary>

068 /// 建立FTP链接,返回响应对象

069 /// </summary>

070 /// <param name="uri">FTP地址</param>

071 /// <param name="ftpMethod">操作命令</param>

072 /// <returns></returns>

073 private FtpWebResponse Open(Uri uri, string ftpMethod)

074 {

075 request = (FtpWebRequest)FtpWebRequest.Create(uri);

076 request.Method = ftpMethod;

077 request.UseBinary = true;

078 request.KeepAlive = false;

079 request.Credentials = new NetworkCredential(this.ftpUserID, this.ftpPassword);

080 return (FtpWebResponse)request.GetResponse();

081 }

082

083 /// <summary>

084 /// 建立FTP链接,返回请求对象

085 /// </summary>

086 /// <param name="uri">FTP地址</param>

087 /// <param name="ftpMethod">操作命令</param>

088 private FtpWebRequest OpenRequest(Uri uri, string ftpMethod)

089 {

090 request = (FtpWebRequest)WebRequest.Create(uri);

091 request.Method = ftpMethod;

092 request.UseBinary = true;

093 request.KeepAlive = false;

094 request.Credentials = new NetworkCredential(this.ftpUserID, this.ftpPassword);

095 return request;

096 }

097 /// <summary>

098 /// 创建目录

099 /// </summary>

100 /// <param name="remoteDirectoryName">目录名</param>

101 public void CreateDirectory(string remoteDirectoryName)

102 {

103 response = Open(newUri(ftpURI + remoteDirectoryName), WebRequestMethods.Ftp.MakeDirectory);

104 }

105 /// <summary>

106 /// 更改目录或文件名

107 /// </summary>

108 /// <param name="currentName">当前名称</param>

109 /// <param name="newName">修改后新名称</param>

110 public void ReName(string currentName, string newName)

111 {

112 request = OpenRequest(newUri(ftpURI + currentName), WebRequestMethods.Ftp.Rename);

113 request.RenameTo = newName;

114 response = (FtpWebResponse)request.GetResponse();

115 }

116 /// <summary>

117 /// 切换当前目录

118 /// </summary>

119 /// <param name="IsRoot">true:绝对路径 false:相对路径</param>

120 public void GotoDirectory(string DirectoryName, bool IsRoot)

121 {

122 if (IsRoot)

123 ftpRemotePath = DirectoryName;

124 else

125 ftpRemotePath += "/" + DirectoryName;

126

127 ftpURI = "ftp://" + ftpServerIP + "/" + ftpRemotePath + "/";

128 }

129 /// <summary>

130 /// 删除目录(包括下面所有子目录和子文件)

131 /// </summary>

132 /// <param name="remoteDirectoryName">要删除的带路径目录名：如web/test</param>

133 /*

134 * 例：删除test目录

135 FTPHelper helper = new FTPHelper("x.x.x.x", "web", "user", "password");

136 helper.RemoveDirectory("web/test");

137 */

138 public void RemoveDirectory(string remoteDirectoryName)

139 {

140 GotoDirectory(remoteDirectoryName, true);

141 var listAll = ListFilesAndDirectories();

142 foreach (var m in listAll)

143 {

144 if(m.IsDirectory)

145 RemoveDirectory(m.Path);

146 else

147 DeleteFile(m.Name);

148 }

149 GotoDirectory(remoteDirectoryName, true);

150 response = Open(new Uri(ftpURI), WebRequestMethods.Ftp.RemoveDirectory);

151 }

152 /// <summary>

153 /// 文件上传

154 /// </summary>

155 /// <param name="localFilePath">本地文件路径</param>

156 public void Upload(string localFilePath)

157 {

158 FileInfo fileInf = new FileInfo(localFilePath);

159 request = OpenRequest(newUri(ftpURI + fileInf.Name), WebRequestMethods.Ftp.UploadFile);

160 request.ContentLength = fileInf.Length;

161 int buffLength = 2048;

162 byte[] buff = new byte[buffLength];

163 int contentLen;

164 using (var fs = fileInf.OpenRead())

165 {

166 using (var strm = request.GetRequestStream())

167 {

168 contentLen = fs.Read(buff, 0, buffLength);

169 while (contentLen != 0)

170 {

171 strm.Write(buff, 0, contentLen);

172 contentLen = fs.Read(buff, 0, buffLength);

173 }

174 }

175 }

176 }

177 /// <summary>

178 /// 删除文件

179 /// </summary>

180 /// <param name="remoteFileName">要删除的文件名</param>

181 public void DeleteFile(string remoteFileName)

182 {

183 response = Open(newUri(ftpURI + remoteFileName), WebRequestMethods.Ftp.DeleteFile);

184 }

185

186 /// <summary>

187 /// 获取当前目录的文件和一级子目录信息

188 /// </summary>

189 /// <returns></returns>

190 public List<FileStruct> ListFilesAndDirectories()

191 {

192 var fileList = new List<FileStruct>();

193 response = Open(new Uri(ftpURI), WebRequestMethods.Ftp.ListDirectoryDetails);

194 using (var stream = response.GetResponseStream())

195 {

196 using (var sr = new StreamReader(stream))

197 {

198 string line = null;

199 while ((line = sr.ReadLine()) != null)

200 {

201 //line的格式如下：

202 //08-18-13 11:05PM <DIR> aspnet_client

203 //09-22-13 11:39PM 2946 Default.aspx

204 DateTime dtDate = DateTime.ParseExact(line.Substring(0, 8), "MM-dd-yy", null);

205 DateTime dtDateTime = DateTime.Parse(dtDate.ToString("yyyy-MM-dd") + line.Substring(8, 9));

206 string[] arrs = line.Split(' ');

207 var model = new FileStruct()

208 {

209 IsDirectory = line.IndexOf("<DIR>") > 0 ? true : false,

210 CreateTime = dtDateTime,

211 Name = arrs[arrs.Length - 1],

212 Path = ftpRemotePath + "/" + arrs[arrs.Length - 1]

213 };

214 fileList.Add(model);

215 }

216 }

217 }

218 return fileList;

219 }

220 /// <summary>

221 /// 列出当前目录的所有文件

222 /// </summary>

223 public List<FileStruct> ListFiles()

224 {

225 var listAll = ListFilesAndDirectories();

226 var listFile = listAll.Where(m => m.IsDirectory == false).ToList();

227 return listFile;

228 }

229 /// <summary>

230 /// 列出当前目录的所有一级子目录

231 /// </summary>

232 public List<FileStruct> ListDirectories()

233 {

234 var listAll = ListFilesAndDirectories();

235 var listFile = listAll.Where(m => m.IsDirectory == true).ToList();

236 return listFile;

237 }

238 /// <summary>

239 /// 判断当前目录下指定的子目录或文件是否存在

240 /// </summary>

241 /// <param name="remoteName">指定的目录或文件名</param>

242 public bool IsExist(string remoteName)

243 {

244 var list = ListFilesAndDirectories();

245 if (list.Count(m => m.Name == remoteName) > 0)

246 return true;

247 return false;

248 }

249 /// <summary>

250 /// 判断当前目录下指定的一级子目录是否存在

251 /// </summary>

252 /// <param name="RemoteDirectoryName">指定的目录名</param>

253 public bool IsDirectoryExist(string remoteDirectoryName)

254 {

255 var listDir = ListDirectories();

256 if (listDir.Count(m => m.Name == remoteDirectoryName) > 0)

257 return true;

258 return false;

259 }

260 /// <summary>

261 /// 判断当前目录下指定的子文件是否存在

262 /// </summary>

263 /// <param name="RemoteFileName">远程文件名</param>

264 public bool IsFileExist(string remoteFileName)

265 {

266 var listFile = ListFiles();

267 if (listFile.Count(m => m.Name == remoteFileName) > 0)

268 return true;

269 return false;

270 }

271

272 /// <summary>

273 /// 下载

274 /// </summary>

275 /// <param name="saveFilePath">下载后的保存路径</param>

276 /// <param name="downloadFileName">要下载的文件名</param>

277 public void Download(string saveFilePath, string downloadFileName)

278 {

279 using (FileStream outputStream = new FileStream(saveFilePath + "\\"+ downloadFileName, FileMode.Create))

280 {

281 response = Open(newUri(ftpURI + downloadFileName), WebRequestMethods.Ftp.DownloadFile);

282 using (Stream ftpStream = response.GetResponseStream())

283 {

284 long cl = response.ContentLength;

285 int bufferSize = 2048;

286 int readCount;

287 byte[] buffer = new byte[bufferSize];

288 readCount = ftpStream.Read(buffer, 0, bufferSize);

289 while (readCount > 0)

290 {

291 outputStream.Write(buffer, 0, readCount);

292 readCount = ftpStream.Read(buffer, 0, bufferSize);

293 }

294 }

295 }

296 }

297

298

299 }

300

301 public class FileStruct

302 {

303 /// <summary>

304 /// 是否为目录

305 /// </summary>

306 public bool IsDirectory { get; set; }

307 /// <summary>

308 /// 创建时间

309 /// </summary>

310 public DateTime CreateTime { get; set; }

311 /// <summary>

312 /// 文件或目录名称

313 /// </summary>

314 public string Name { get; set; }

315 /// <summary>

316 /// 路径

317 /// </summary>

318 public string Path { get; set; }

319 }

C#一个FTP操作封装类FTPHelper的更多相关文章

【C#】工具类-FTP操作封装类FTPHelper
转载:http://blog.csdn.net/gdjlc/article/details/11968477 using System; using System.Collections.Generi ...
【转载】C#工具类：FTP操作辅助类FTPHelper
FTP是一个8位的客户端-服务器协议,能操作任何类型的文件而不需要进一步处理,就像MIME或Unicode一样.可以通过C#中的FtpWebRequest类.NetworkCredential类.We ...
FtpHelper ftp操作类库
FtpHelper ftp操作类库 using System; using System.Collections.Generic; using System.Linq; using System.Te ...
[转]C# FTP操作类
转自 http://www.cnblogs.com/Liyuting/p/7084718.html using System; using System.Collections.Generic; ...
[PHP学习教程 - 类库]002.FTP操作(FTP)
引言:FTP是大家上传至站点服务器必须要使用的协议.现在常用的FTP客户端工具也很多,如:8uftp,FlashFXP,....但是使用客户端工具就无法真正与自动化联系起来.所以今天,我们为大家讲一下 ...
FTP操作类
using System; using System.Collections.Generic; using System.Net; using System.IO; namespace HGFTP { ...
C# FTP操作
using System; using System.Collections.Generic; using System.Net; using System.IO; namespace FTP操作 { ...
基于线程开发一个FTP服务器
一,项目题目:基于线程开发一个FTP服务器二,项目要求: 基本要求: 1.用户加密认证 2.允许同时多用户登录 3.每个用户有自己的家目录 ,且只能访问自己的家目录 4.对用户进行磁盘配 ...
Linux中搭建一个ftp服务器详解
来源:Linux社区作者:luzhi1024 详解Linux中搭建一个ftp服务器. ftp工作是会启动两个通道:控制通道 , 数据通道在ftp协议中,控制连接均是由客户端发起的,而数据连接有两种 ...

随机推荐

Stream中reduce()使用记录
一.reduce()使用1.第一个参数是我们给出的初值,2.第二个参数是累加器,可以自己用实现接口完成想要的操作,这里使用Bigdecimal的add方法 3.最后reduce会返回计算后的结果 Bi ...
CentOS7配置ssh证书登录无效
今天配置A服务器使用root用户ssh免密登录服务器B,配置过程很简单,由于这两台服务器开发人员之前生成过证书,我就直接在A服务器执行如下命令即可 # ssh-copy-id -i ~/.ssh/id ...
bzoj 2961
根据“点在圆内”关系,列出点P(x0,y0)在圆C(x,y)内的关系: (x-x0)^2+(y-y0)^2 <= x^2+y^2 化简得: 2*x0*x+2*y0*y >= x0^2+y0 ...
bzoj 2178
这题调精度真痛苦啊(向管理员要了数据才调出来). 用的是hwd在WC2015上讲的方法,考虑将原图分割,根据每个圆的左右边界和圆与圆交点的横坐标来分割,这样原图就被分成很多竖着的长条,并且每一条中间都 ...
Vi 学习笔记
rails server -p 端口名 // 切换端口 Vi 常用指令: mkdir filename //创建文件 mv filename1 filename2 // 文件重命名 rm filena ...
python开发_tkinter_图形随鼠标移动
做这个东西的时候,灵感源自于一个js效果: 两个眼睛随鼠标移动而移动运行效果: =============================================== 代码部分: ===== ...
python开发_tkinter_自己做的猜数字小程序
读到这篇文章[python 3.3下结合tkinter做的猜数字程序]的时候,就复制了代码,在自己机器上面跑了一下源程序存在一个缺陷: 即当用户答对了以后,用户再点击'猜'按钮,最上面的提示标签还会 ...
centos7安装redis-4.0.1集群
试验机操作系统:CentOS Linux release 7.2.1511 (Core) 本文的目的是教会大家快速搭建redis集群,完了再深入学习. 试问如果不上手试验,看的资料再多有个毛用? 下载 ...
php安装配置
Content 0.序 1.安装前准备 2.安装PHP 3.配置php-fpm 0.序本文主要是记录php在 Centos下的安装配置 .文中如无特别说明.表示php-5.6.31代码目录. 1.安 ...
运用Android ROM Manager应用安装ClockworkMod Recovery的详细教程
在安装ClockworkMod Recovery恢复模式之前,建议先认识下Google Android平台的ClockworkMod Recovery恢复模式对于Android ROM Manage ...

C#一个FTP操作封装类FTPHelper

C#一个FTP操作封装类FTPHelper的更多相关文章

随机推荐

热门专题