1 using System;
2 using System.Collections.Generic;
3 using System.Text;
4 using System.Net;
5 using System.Data;
6 using System.IO;
7 using System.ComponentModel;
8 namespace Common
9 {
10 public class FTPClient
11 {
12 private string ftpServerIP = String.Empty;
13 private string ftpUser = String.Empty;
14 private string ftpPassword = String.Empty;
15 private string ftpRootURL = String.Empty;
16 public FTPClient(string url, string userid,string password)
17 {
18 this.ftpServerIP = ftp的IP地址;
19 this.ftpUser = 用户名;
20 this.ftpPassword = 密码;
21 this.ftpRootURL = "ftp://" + url + "/";
22 }
23 /// <summary>
24 /// 上传
25 /// </summary>
26 /// <param name="localFile">本地文件绝对路径</param>
27 /// <param name="ftpPath">上传到ftp的路径</param>
28 /// <param name="ftpFileName">上传到ftp的文件名</param>
29 public bool fileUpload(FileInfo localFile, string ftpPath, string ftpFileName)
30 {
31 bool success = false;
32 FtpWebRequest ftpWebRequest = null;
33 FileStream localFileStream = null;
34 Stream requestStream = null;
35 try
36 {
37 string uri = ftpRootURL + ftpPath + ftpFileName;
38 ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
39 ftpWebRequest.Credentials = new NetworkCredential(ftpUser, ftpPassword);
40 ftpWebRequest.UseBinary = true;
41 ftpWebRequest.KeepAlive = false;
42 ftpWebRequest.Method = WebRequestMethods.Ftp.UploadFile;
43 ftpWebRequest.ContentLength = localFile.Length;
44 int buffLength = 2048;
45 byte[] buff = new byte[buffLength];
46 int contentLen;
47 localFileStream = localFile.OpenRead();
48 requestStream = ftpWebRequest.GetRequestStream();
49 contentLen = localFileStream.Read(buff, 0, buffLength);
50 while (contentLen != 0)
51 {
52 requestStream.Write(buff, 0, contentLen);
53 contentLen = localFileStream.Read(buff, 0, buffLength);
54 }
55 success = true;
56 }
57 catch (Exception)
58 {
59 success = false;
60 }
61 finally
62 {
63 if (requestStream != null)
64 {
65 requestStream.Close();
66 }
67 if (localFileStream != null)
68 {
69 localFileStream.Close();
70 }
71 }
72 return success;
73 }
74 /// <summary>
75 /// 上传文件
76 /// </summary>
77 /// <param name="localPath">本地文件地址(没有文件名)</param>
78 /// <param name="localFileName">本地文件名</param>
79 /// <param name="ftpPath">上传到ftp的路径</param>
80 /// <param name="ftpFileName">上传到ftp的文件名</param>
81 public bool fileUpload(string localPath, string localFileName, string ftpPath, string ftpFileName)
82 {
83 bool success = false;
84 try
85 {
86 FileInfo localFile = new FileInfo(localPath + localFileName);
87 if (localFile.Exists)
88 {
89 success = fileUpload(localFile, ftpPath, ftpFileName);
90 }
91 else
92 {
93 success = false;
94 }
95 }
96 catch (Exception)
97 {
98 success = false;
99 }
100 return success;
101 }
102 /// <summary>
103 /// 下载文件
104 /// </summary>
105 /// <param name="localPath">本地文件地址(没有文件名)</param>
106 /// <param name="localFileName">本地文件名</param>
107 /// <param name="ftpPath">下载的ftp的路径</param>
108 /// <param name="ftpFileName">下载的ftp的文件名</param>
109 public bool fileDownload(string localPath, string localFileName, string ftpPath, string ftpFileName)
110 {
111 bool success = false;
112 FtpWebRequest ftpWebRequest = null;
113 FtpWebResponse ftpWebResponse = null;
114 Stream ftpResponseStream = null;
115 FileStream outputStream = null;
116 try
117 {
118 outputStream = new FileStream(localPath + localFileName, FileMode.Create);
119 string uri = ftpRootURL + ftpPath + ftpFileName;
120 ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
121 ftpWebRequest.Credentials = new NetworkCredential(ftpUser, ftpPassword);
122 ftpWebRequest.UseBinary = true;
123 ftpWebRequest.Method = WebRequestMethods.Ftp.DownloadFile;
124 ftpWebResponse = (FtpWebResponse)ftpWebRequest.GetResponse();
125 ftpResponseStream = ftpWebResponse.GetResponseStream();
126 long contentLength = ftpWebResponse.ContentLength;
127 int bufferSize = 2048;
128 byte[] buffer = new byte[bufferSize];
129 int readCount;
130 readCount = ftpResponseStream.Read(buffer, 0, bufferSize);
131 while (readCount > 0)
132 {
133 outputStream.Write(buffer, 0, readCount);
134 readCount = ftpResponseStream.Read(buffer, 0, bufferSize);
135 }
136 success = true;
137 }
138 catch (Exception)
139 {
140 success = false;
141 }
142 finally
143 {
144 if (outputStream != null)
145 {
146 outputStream.Close();
147 }
148 if (ftpResponseStream != null)
149 {
150 ftpResponseStream.Close();
151 }
152 if (ftpWebResponse != null)
153 {
154 ftpWebResponse.Close();
155 }
156 }
157 return success;
158 }
159 /// <summary>
160 /// 重命名
161 /// </summary>
162 /// <param name="ftpPath">ftp文件路径</param>
163 /// <param name="currentFilename"></param>
164 /// <param name="newFilename"></param>
165 public bool fileRename(string ftpPath, string currentFileName, string newFileName)
166 {
167 bool success = false;
168 FtpWebRequest ftpWebRequest = null;
169 FtpWebResponse ftpWebResponse = null;
170 Stream ftpResponseStream = null;
171 try
172 {
173 string uri = ftpRootURL + ftpPath + currentFileName;
174 ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
175 ftpWebRequest.Credentials = new NetworkCredential(ftpUser, ftpPassword);
176 ftpWebRequest.UseBinary = true;
177 ftpWebRequest.Method = WebRequestMethods.Ftp.Rename;
178 ftpWebRequest.RenameTo = newFileName;
179
180 ftpWebResponse = (FtpWebResponse)ftpWebRequest.GetResponse();
181 ftpResponseStream = ftpWebResponse.GetResponseStream();
182
183 }
184 catch (Exception)
185 {
186 success = false;
187 }
188 finally
189 {
190 if (ftpResponseStream != null)
191 {
192 ftpResponseStream.Close();
193 }
194 if (ftpWebResponse != null)
195 {
196 ftpWebResponse.Close();
197 }
198 }
199 return success;
200 }
201 /// <summary>
202 /// 消除文件
203 /// </summary>
204 /// <param name="filePath"></param>
205 public bool fileDelete(string ftpPath, string ftpName)
206 {
207 bool success = false;
208 FtpWebRequest ftpWebRequest = null;
209 FtpWebResponse ftpWebResponse = null;
210 Stream ftpResponseStream = null;
211 StreamReader streamReader = null;
212 try
213 {
214 string uri = ftpRootURL + ftpPath + ftpName;
215 ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
216 ftpWebRequest.Credentials = new NetworkCredential(ftpUser, ftpPassword);
217 ftpWebRequest.KeepAlive = false;
218 ftpWebRequest.Method = WebRequestMethods.Ftp.DeleteFile;
219 ftpWebResponse = (FtpWebResponse)ftpWebRequest.GetResponse();
220 long size = ftpWebResponse.ContentLength;
221 ftpResponseStream = ftpWebResponse.GetResponseStream();
222 streamReader = new StreamReader(ftpResponseStream);
223 string result = String.Empty;
224 result = streamReader.ReadToEnd();
225
226 success = true;
227 }
228 catch (Exception)
229 {
230 success = false;
231 }
232 finally
233 {
234 if (streamReader != null)
235 {
236 streamReader.Close();
237 }
238 if (ftpResponseStream != null)
239 {
240 ftpResponseStream.Close();
241 }
242 if (ftpWebResponse != null)
243 {
244 ftpWebResponse.Close();
245 }
246 }
247 return success;
248 }
249 /// <summary>
250 /// 文件存在检查
251 /// </summary>
252 /// <param name="ftpPath"></param>
253 /// <param name="ftpName"></param>
254 /// <returns></returns>
255 public bool fileCheckExist(string ftpPath, string ftpName)
256 {
257 bool success = false;
258 FtpWebRequest ftpWebRequest = null;
259 WebResponse webResponse = null;
260 StreamReader reader = null;
261 try
262 {
263 string url = ftpRootURL + ftpPath;
264
265 ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(url));
266 ftpWebRequest.Credentials = new NetworkCredential(ftpUser, ftpPassword);
267 ftpWebRequest.Method = WebRequestMethods.Ftp.ListDirectory;
268 ftpWebRequest.KeepAlive = false;
269 webResponse = ftpWebRequest.GetResponse();
270 reader = new StreamReader(webResponse.GetResponseStream());
271 string line = reader.ReadLine();
272 while (line != null)
273 {
274 if (line == ftpName)
275 {
276 success = true;
277 break;
278 }
279 line = reader.ReadLine();
280 }
281 }
282 catch (Exception)
283 {
284 success = false;
285 }
286 finally
287 {
288 if (reader != null)
289 {
290 reader.Close();
291 }
292 if (webResponse != null)
293 {
294 webResponse.Close();
295 }
296 }
297 return success;
298 }
299 }
300 }
View Code