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  • Ftp实现文件同步

    先介绍个FTP工具,希望能提高工作效率~~

    FTP客户端-IIS7服务器管理工具
    作为FTP客户端,它支持批量管理ftp站点。定时上传和定时下载,定时备份,且操作简洁。同时iis7服务器管理工具还是vnc客户端。并且支持批量管理管理windows及linux服务器、vps。让服务器真正实现了一站式管理,真的是非常方便。
    官网地址:http://fwqglgj.iis7.net/cp/ftp/?cmc-zc
    使用截图如下:

    如何自己动手实现

    通常在做服务器与服务器文件、服务器与本地文件同步时通过Ftp服务实现,下面就以服务器文件和本地同步为例,介绍一下Ftp同步文件:
    首先建立一个Ftp站点服务,基本身份验证登陆,端口号为默认的21;
    Ftp文件同步前端界面如下:

    Ftp文件同步后台实现

      1 #region 获取Ftp服务端文件比较替换
      2         /// <summary>
      3         /// 比较替换
      4         /// </summary>
      5         private void btnQuery_Click(object sender, EventArgs e)
      6         {           
      7             msg.AppendText(Environment.NewLine + "开始连接...");
      8             FtpHelp fw = new FtpHelp(service.Text.Trim(), "", lognName.Text.Trim(), Pwd.Text.Trim());
      9             if (fw.ISOK())
     10             {
     11                 msg.AppendText(Environment.NewLine + "连接成功!
    ");
     12                 Replace(service.Text.Trim(), hostAdress.Text.Trim());
     13             }
     14             else
     15             {
     16                 msg.AppendText(Environment.NewLine + "连接失败!
    ");
     17             }      
     18         }
     19         private bool _isOver = false;
     20         private void Replace(string ftpAdress, string hostAdress)
     21         {
     22             if (!_isOver)
     23             {
     24                 _isOver = true;
     25                 //链接ftp服务
     26                 FtpHelp ftphelp = new FtpHelp(service.Text.Trim(), "", lognName.Text.Trim(), Pwd.Text.Trim());
     27                 //获取本地文件
     28                 LogHostFile[] hostFile = GetFile(hostAdress);
     29                 LogWriter.LogInfo("获取本地文件完成共:" + hostFile.Count());
     30                 //获取FTP服务器文件
     31                 DateTime begin = DateTime.Now;
     32                 FtpFile[] files = ftphelp.GetFilesList("ftp://" + ftpAdress.Trim(), "");
     33                 DateTime end = DateTime.Now;
     34                 time.Text = "获取服务文件用时:" + (end - begin).Milliseconds.ToString() + "ms;共" + files.Count() + "个文件";
     35                 if (files.Count() == 0)
     36                 {
     37                     LogWriter.LogInfo("获取服务器文件完成共:" + files.Count() + "可能是服务器连接失败或真的没有文件请管理员查看");
     38                 }
     39                 else
     40                 {
     41                     LogWriter.LogInfo("获取服务器文件完成共:" + files.Count());
     42                 }
     43                 Dictionary host = new Dictionary();
     44                 Dictionary ftp = new Dictionary();
     45                 if (hostAdress == "")
     46                 {
     47                     LogWriter.LogError("本地路径为空");
     48                 }
     49                 else
     50                 {
     51                     try
     52                     {
     53                         //遍历Ftp服务器端的文件
     54                         ftp.Clear();
     55                         foreach (FtpFile ftpfile in files)
     56                         {
     57                             if (!ftp.ContainsKey(ftpfile.FileFullName))
     58                             {
     59                                 ftp.Add(ftpfile.FileFullName, ftpfile.FileSize);
     60                             }
     61                         }
     62                         //遍历本地服务器端的文件
     63                         host.Clear();
     64                         foreach (LogHostFile ftpfile in hostFile)
     65                         {
     66                             if (!host.ContainsKey(ftpfile.FileFullName))
     67                             {
     68                                 host.Add(ftpfile.FileFullName, ftpfile.FileSize);
     69                             }
     70                         }
     71                     }
     72                     catch (Exception ex)
     73                     {
     74                         LogWriter.LogError("将本地和服务文件放入Dictionary集合中出错:" + ex.Message);
     75                     }
     76                     finally
     77                     {
     78                         _isOver = false;
     79                     }
     80                     LogWriter.LogInfo("开始循环服务器中的文件比较替换");
     81                     bool IsRelpace = false;
     82                     foreach (KeyValuePair ftpfile in ftp)
     83                     {
     84                         #region 判断服务器端的文件是否在本地存在
     85                         //判断服务器端的文件是否在本地存在
     86                         if (host.Count != 0)//如果本地没有文件
     87                         {
     88                             #region 是否有这个文件
     89                             if (host.ContainsKey(ftpfile.Key))
     90                             {
     91                                 #region 如果存在判断两个文件的大小是否相等
     92                                 //如果存在判断两个文件的大小是否相等
     93                                 if (host[ftpfile.Key] != ftpfile.Value)
     94                                 {
     95                                     IsRelpace = true;
     96                                     LogWriter.LogInfo(ftpfile.Key + " 文件在本地的大小:" + host[ftpfile.Key] + ";在服务器的大小:" + ftpfile.Value);
     97                                     //不相等就等换
     98                                     try
     99                                     {
    100                                         if (ftphelp.Download(hostAdress, ftpfile.Key.Trim()))
    101                                         {
    102                                             msg.AppendText(Environment.NewLine + "开始替换" + "ftp://" + ftpAdress.Trim() + "/" + ftpfile.Key + "
    ");
    103                                             msg.AppendText(Environment.NewLine + "替换中..." + "
    ");
    104                                             msg.AppendText(Environment.NewLine + "替换成功!" + "
    ");
    105                                             LogWriter.LogInfo("替换文件:" + ftpfile.Key.Trim() + "本地文件大小:" + host[ftpfile.Key] + ";   FTP文件大小:" + ftpfile.Value);
    106                                         }
    107                                         else
    108                                         {
    109                                             msg.AppendText(Environment.NewLine + "替换失败!" + "
    ");
    110                                             LogWriter.LogError("替换文件:" + ftpfile.Key.Trim() + "失败");
    111                                         }
    112                                     }
    113                                     catch (Exception ex)
    114                                     {
    115                                         LogWriter.LogError("文件" + ftpfile.Key + "比较替换时失败:" + ex.Message);
    116                                     }
    117                                     finally
    118                                     {
    119                                         _isOver = false;
    120                                     }
    121                                 }
    122                                 #endregion
    123                             }
    124                             else
    125                             {
    126                                 IsRelpace = true;
    127                                 try
    128                                 {
    129                                     if (ftphelp.Download(hostAdress, ftpfile.Key.Trim()))
    130                                     {
    131                                         msg.AppendText(Environment.NewLine + "本地没有的文件开始下载" + "ftp://" + ftpAdress.Trim() + "/" + ftpfile.Key);
    132                                         msg.AppendText(Environment.NewLine + "下载中...");
    133                                         msg.AppendText(Environment.NewLine + "下载成功!");
    134                                         LogWriter.LogInfo("下载服务器文件" + ftpfile.Key.Trim());
    135                                     }
    136                                     else
    137                                     {
    138                                         msg.AppendText(Environment.NewLine + "下载新文件失败!");
    139                                         LogWriter.LogError("下载服务器文件" + ftpfile.Key.Trim() + "失败");
    140                                     }
    141                                 }
    142                                 catch (Exception ex)
    143                                 {
    144                                     LogWriter.LogError("文件" + ftpfile.Key + "下载时失败:" + ex.Message);
    145                                 }
    146                                 finally
    147                                 {
    148                                     _isOver = false;
    149                                 }
    150                             }
    151                             #endregion
    152                         }
    153                         else
    154                         {
    155                             IsRelpace = true;
    156                             try
    157                             {
    158                                 if (ftphelp.Download(hostAdress, ftpfile.Key.Trim()))
    159                                 {
    160                                     msg.AppendText(Environment.NewLine + "本地没有的文件开始下载" + "ftp://" + ftpAdress.Trim() + "/" + ftpfile.Key);
    161                                     msg.AppendText(Environment.NewLine + "下载中...");
    162                                     msg.AppendText(Environment.NewLine + "下载成功!");
    163                                     LogWriter.LogInfo("下载服务器文件" + ftpfile.Key.Trim());
    164                                 }
    165                                 else
    166                                 {
    167                                     msg.AppendText(Environment.NewLine + "下载新文件失败!");
    168                                     LogWriter.LogError("下载服务器文件" + ftpfile.Key.Trim() + "失败");
    169                                 }
    170                             }
    171                             catch (Exception ex)
    172                             {
    173                                 LogWriter.LogError("文件" + ftpfile.Key + "下载时失败:" + ex.Message);
    174                             }
    175                             finally
    176                             {
    177                                 _isOver = false;
    178                             }
    179                         }
    180                         #endregion
    181                     }
    182                     if (IsRelpace)
    183                     {
    184                         LogWriter.LogInfo("替换工作完成!!");
    185                     }
    186                     else
    187                     {
    188                         LogWriter.LogInfo("FTP和本地的文件没有不同不需要替换");
    189                     }
    190                 }
    191             }
    192             else
    193             {
    194                 LogWriter.LogInfo("上一次替换未执行完成不进行下一次的操作!");
    195             }
    196         }
    197         #endregion
    198         #region 获取本地文件
    199         public LogHostFile[] GetFile(string str)
    200         {
    201             List hostFile = new List();
    202             if (str != "")
    203             {
    204                 string filepath = hostAdress.Text.Trim();
    205                 DirectoryInfo theFolder = new DirectoryInfo(str);
    206                 //LogWriter.LogInfo(str);
    207                 FileSystemInfo[] fileinfo = theFolder.GetFileSystemInfos();
    208                 foreach (FileSystemInfo NextFolder in fileinfo)
    209                 {
    210                     if (this.GetFileType(NextFolder.FullName) == 0)//wenjian
    211                     {
    212                         FileInfo Next = (FileInfo)NextFolder;
    213                         long size = Next.Length;
    214                         //获取文件的名称
    215                         hostFile.Add(new LogHostFile() { FileSize = size, FileFullName = NextFolder.FullName.Replace("\", "/").Remove(0, filepath.Length).Substring(1) });
    216                         LogWriter.LogInfo(NextFolder.FullName);
    217                     }
    218                     else if (this.GetFileType(NextFolder.FullName) == 1)//wenjianjia
    219                     {
    220                         LogHostFile[] hostfile = GetFile(NextFolder.FullName);
    221                         foreach (LogHostFile file in hostfile)
    222                         {
    223                             hostFile.Add(file);
    224                         }
    225                     }
    226                 }
    227             }
    228             else
    229             {
    230                 LogWriter.LogError("没有给本地文件路径!");
    231             }
    232             return hostFile.ToArray();
    233         }
    234         #endregion
    235         /// <summary>
    236         /// 判断是文件还是文件夹
    237         /// </summary>
    238         public int GetFileType(string path)
    239         {
    240             if (File.Exists(path))
    241             {
    242                 return 0;
    243                 // 是文件
    244             }
    245             else if (Directory.Exists(path))
    246             {
    247                 return 1;
    248                 // 是文件夹
    249             }
    250             else
    251             {
    252                 return 2;
    253                 // 都不是
    254             }
    255         }
    View Code

    Ftp操作帮助类

      1 public class FtpHelp
      2     {
      3         string ftpServerIP;
      4         string ftpRemotePath;
      5         string ftpUserName;
      6         string ftpPassword;
      7         string ftpURI;
      8         #region 连接FTP
      9         /// <summary>
     10         /// 连接FTP
     11         /// </summary>
     12         /// FTP连接地址
     13         /// 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
     14         /// 用户名
     15         /// 密码
     16         public FtpHelp(string FtpServerIP, string FtpRemotePath, string FtpUserName, string FtpPassword)
     17         {
     18             ftpServerIP = FtpServerIP;
     19             ftpRemotePath = FtpRemotePath;
     20             ftpUserName = FtpUserName;
     21             ftpPassword = FtpPassword;
     22             ftpURI = "ftp://" + ftpServerIP + "/";
     23         }
     24         /// <summary>
     25         /// 是否连接成功
     26         /// </summary>
     27         public bool ISOK()
     28         {
     29             try
     30             {
     31                 FtpWebRequest reqFTP;
     32                 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
     33                 reqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPassword);
     34                 return true;
     35             }catch(Exception e)
     36             {
     37                 return false;
     38             }           
     39          }
     40         #endregion
     41         #region  下载
     42         /// <summary>
     43         /// 下载
     44         /// </summary>
     45         public bool Download(string filePath, string fileName)
     46         {
     47             FtpWebRequest reqFTP;
     48             try
     49             {
     50                 string newpath="";
     51                 if (fileName.Contains("/"))
     52                 {
     53                     newpath=fileName.Substring(0,fileName.LastIndexOf(@"/"));
     54                     newpath = newpath.Replace("/", "\");
     55                 }
     56                 string path = filePath+"\" + newpath;
     57                 DirectoryInfo di = new DirectoryInfo(path);
     58                 if (!di.Exists)
     59                 {
     60                     di.Create();
     61                 }
     62                 FileStream outputStream = new FileStream(filePath + "\" + fileName, FileMode.Create);
     63                 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + fileName));
     64                 reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
     65                 reqFTP.UseBinary = true;
     66                 reqFTP.Credentials = new NetworkCredential(ftpUserName, ftpPassword);
     67                 FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
     68                 Stream ftpStream = response.GetResponseStream();
     69                 long cl = response.ContentLength;
     70                 int bufferSize = 2048;
     71                 int readCount;
     72                 byte[] buffer = new byte[bufferSize];
     73                 readCount = ftpStream.Read(buffer, 0, bufferSize);
     74                 while (readCount &gt; 0)
     75                 {
     76                     outputStream.Write(buffer, 0, readCount);
     77                     readCount = ftpStream.Read(buffer, 0, bufferSize);
     78                 }
     79                 ftpStream.Close();
     80                 outputStream.Close();
     81                 response.Close();
     82                 return true;
     83             }
     84             catch (Exception ex)
     85             {
     86                 LogWriter.LogError("文件" + fileName + "下载失败:" + ex.Message);
     87                 // Insert_Standard_ErrorLog.Insert("FtpWeb", "Download Error --&gt; " + ex.Message);
     88                 return false;
     89             }
     90         }
     91         #endregion
     92         #region 获取当前目录下明细(包含文件和文件夹)
     93         string name = "";
     94         public FtpFile[] GetFilesList(string ftpURI,string name)
     95         {
     96             List result = new List();           
     97             try
     98             {
     99                 FtpWebRequest ftp;
    100                 Uri uri = new Uri(ftpURI);
    101                 LogWriter.LogInfo(uri.Host);
    102                 LogWriter.LogInfo(uri.HostNameType.ToString());
    103                 LogWriter.LogInfo(uri.IsFile.ToString());
    104                 LogWriter.LogInfo(uri.LocalPath);
    105                 ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
    106                 ftp.Credentials = new NetworkCredential(ftpUserName, ftpPassword);
    107                 ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
    108                 ftp.Timeout = 10000;
    109                 string aa = "";
    110                 using (WebResponse response = ftp.GetResponse())
    111                 {
    112                     using (StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.ASCIIEncoding.UTF8))
    113                     {
    114                         aa = reader.ReadToEnd();
    115                         reader.Close();
    116                         response.Close();
    117                     }
    118                 }
    119                 string[] ftpFileList = aa.Split(new string[] { "
    " }, StringSplitOptions.RemoveEmptyEntries);
    120                 foreach(string line in ftpFileList)
    121                 {
    122                     if (line.Contains(""))
    123                     {
    124                         string dirName = GetFileName(line);
    125                         string newUrl = ftpURI + @"/" + dirName;
    126                         string newName = name + @"/" + dirName;
    127                         FtpFile[] files = GetFilesList(newUrl, newName);
    128                         foreach (FtpFile file in files)
    129                         {
    130                             result.Add(file);
    131                         }
    132                     }
    133                     else
    134                     {
    135                         string fileName = GetFileName(line);
    136                         string[] ftpFile = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
    137                         //获取文件的大小 和全路径
    138                         result.Add(new FtpFile() { FileSize = int.Parse(ftpFile[2]), FileFullName = (name + @"/" + fileName).Substring(1) });
    139                     }
    140                 }                                
    141             }
    142             catch (Exception ex)
    143             {                
    144                 string message = ex.Message;
    145                 // Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --&gt; " + ex.Message);
    146                 LogWriter.LogError(ex.Message);              
    147             }
    148             return result.ToArray();
    149         }
    150         private string GetFileName(string line)
    151         {
    152             string newStr = line.Substring(line.IndexOf(" "));
    153             newStr = newStr.TrimStart();
    154             newStr = newStr.Substring(newStr.IndexOf(" "));            
    155             newStr = newStr.TrimStart();
    156             newStr = newStr.Substring(newStr.IndexOf(" "));          
    157             return newStr.Trim();
    158         }        
    159         /// <summary>
    160         /// 获取当前目录下明细(包含文件和文件夹)
    161         /// </summary>
    162         public string[] GetFilesDetailList()
    163         {
    164             string[] downloadFiles;
    165             try
    166             {
    167                 StringBuilder result = new StringBuilder();
    168                 FtpWebRequest ftp;
    169                 ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
    170                 ftp.Credentials = new NetworkCredential(ftpUserName, ftpPassword);
    171                 ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
    172                 WebResponse response = ftp.GetResponse();
    173                 StreamReader reader = new StreamReader(response.GetResponseStream());
    174                 //string aa = reader.ReadToEnd();
    175                 string line = reader.ReadLine();
    176                 while (line != null)
    177                 {
    178                     result.Append(line);
    179                     result.Append("
    ");
    180                     line = reader.ReadLine();
    181                 }
    182                 result.Remove(result.ToString().LastIndexOf("
    "), 1);
    183                 reader.Close();
    184                 response.Close();
    185                 return result.ToString().Split('
    ');
    186             }
    187             catch (Exception ex)
    188             {
    189                 downloadFiles = null;
    190                 string message = ex.Message;
    191                 // Insert_Standard_ErrorLog.Insert("FtpWeb", "GetFilesDetailList Error --&gt; " + ex.Message);
    192                 return downloadFiles;
    193             }
    194         }
    195         #endregion
    196     }
    View Code

    Ftp文件同步工具最终效果

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  • 原文地址:https://www.cnblogs.com/huhangfei/p/4989176.html
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