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 /// 24 /// 上传 25 /// 26 /// 本地文件绝对路径 27 /// 上传到ftp的路径 28 /// 上传到ftp的文件名 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 /// 75 /// 上传文件 76 /// 77 /// 本地文件地址(没有文件名) 78 /// 本地文件名 79 /// 上传到ftp的路径 80 /// 上传到ftp的文件名 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 /// 103 /// 下载文件104 /// 105 /// 本地文件地址(没有文件名)106 /// 本地文件名107 /// 下载的ftp的路径108 /// 下载的ftp的文件名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 try117 {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 finally143 {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 /// 160 /// 重命名161 /// 162 /// ftp文件路径163 /// 164 /// 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 try172 {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 finally189 {190 if (ftpResponseStream != null)191 {192 ftpResponseStream.Close();193 }194 if (ftpWebResponse != null)195 {196 ftpWebResponse.Close();197 }198 }199 return success;200 }201 /// 202 /// 消除文件203 /// 204 /// 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 try213 {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 finally233 {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 /// 250 /// 文件存在检查251 /// 252 /// 253 /// 254 /// 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 try262 {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 finally287 {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 } 
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