Ftp操作类

FtpWeb.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net;
using System.Windows.Forms;
using System.Globalization;

namespace SearchPicture
{

    public class FtpWeb
    {
        string ftpServerIP;
        string ftpRemotePath;
        string ftpUserID;
        string ftpPassword;
        string ftpURI;
        int ftpPort;

        /// <summary>
        /// 连接FTP
        /// </summary>
        /// <param name="FtpServerIP">FTP连接地址</param>
        /// <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>
        /// <param name="FtpUserID">用户名</param>
        /// <param name="FtpPassword">密码</param>
        public FtpWeb(string FtpServerIP, string FtpRemotePath, string FtpUserID, string FtpPassword)
        {
            ftpServerIP = FtpServerIP;
            ftpRemotePath = FtpRemotePath;
            ftpUserID = FtpUserID;
            ftpPassword = FtpPassword;
            ftpURI = "ftp://" + ftpServerIP + "/" + ftpRemotePath + "/";
        }

        /// <summary>
        /// ftp连接
        /// </summary>
        /// <param name="FtpServerIP"></param>
        /// <param name="FtpPort"></param>
        /// <param name="FtpRemotePath"></param>
        /// <param name="FtpUserID"></param>
        /// <param name="FtpPassword"></param>
        public FtpWeb(string FtpServerIP, int FtpPort, string FtpRemotePath, string FtpUserID, string FtpPassword)
        {
            ftpServerIP = FtpServerIP;
            ftpRemotePath = FtpRemotePath;
            ftpUserID = FtpUserID;
            ftpPassword = FtpPassword;
            ftpPort = FtpPort;
            ftpURI = string.Format("ftp://{0}:{1}/",ftpServerIP,FtpPort);
            if (!string.IsNullOrEmpty(FtpRemotePath))
            {
                ftpURI = string.Format("{0}{1}/",ftpURI,FtpRemotePath);
            }
        }

        /// <summary>
        /// 上传
        /// </summary>
        /// <param name="filename"></param>
        public void Upload(string filename)
        {
            FileInfo fileInf = new FileInfo(filename);
            string uri = ftpURI + fileInf.Name;
            FtpWebRequest reqFTP;

            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));
            reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
            reqFTP.KeepAlive = false;
            reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
            reqFTP.UseBinary = true;
            reqFTP.ContentLength = fileInf.Length;
            int buffLength = 2048;
            byte[] buff = new byte[buffLength];
            int contentLen;
            FileStream fs = fileInf.OpenRead();
            try
            {
                Stream strm = reqFTP.GetRequestStream();
                contentLen = fs.Read(buff, 0, buffLength);
                while (contentLen != 0)
                {
                    strm.Write(buff, 0, contentLen);
                    contentLen = fs.Read(buff, 0, buffLength);
                }
                strm.Close();
                fs.Close();
            }
            catch (Exception ex)
            {
                throw new Exception("上传文件出错！", ex);
            }
        }

        /// <summary>
        /// 下载
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="fileName"></param>
        public void Download(string filePath, string fileName)
        {
            FtpWebRequest reqFTP;
            try
            {
                FileStream outputStream = new FileStream(filePath + "\" + fileName, FileMode.Create);

                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + fileName));
                reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
                reqFTP.UseBinary = true;
                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
                Stream ftpStream = response.GetResponseStream();
                long cl = response.ContentLength;
                int bufferSize = 2048;
                int readCount;
                byte[] buffer = new byte[bufferSize];

                readCount = ftpStream.Read(buffer, 0, bufferSize);
                while (readCount > 0)
                {
                    outputStream.Write(buffer, 0, readCount);
                    readCount = ftpStream.Read(buffer, 0, bufferSize);
                }

                ftpStream.Close();
                outputStream.Close();
                response.Close();
            }
            catch (Exception ex)
            {
                throw new Exception("下载文件出错！", ex);
            }
        }


        /// <summary>
        /// 删除文件
        /// </summary>
        /// <param name="fileName"></param>
        public void Delete(string fileName)
        {
            try
            {
                string uri = ftpURI + fileName;
                FtpWebRequest reqFTP;
                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));

                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                reqFTP.KeepAlive = false;
                reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;

                string result = String.Empty;
                FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
                long size = response.ContentLength;
                Stream datastream = response.GetResponseStream();
                StreamReader sr = new StreamReader(datastream);
                result = sr.ReadToEnd();
                sr.Close();
                datastream.Close();
                response.Close();
            }
            catch (Exception ex)
            {
                throw new Exception("删除文件！", ex);
            }
        }

        /// <summary>
        /// 删除文件夹
        /// </summary>
        /// <param name="folderName"></param>
        public void RemoveDirectory(string folderName)
        {
            try
            {
                string uri = ftpURI + folderName;
                FtpWebRequest reqFTP;
                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));

                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                reqFTP.KeepAlive = false;
                reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;

                string result = String.Empty;
                FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
                long size = response.ContentLength;
                Stream datastream = response.GetResponseStream();
                StreamReader sr = new StreamReader(datastream);
                result = sr.ReadToEnd();
                sr.Close();
                datastream.Close();
                response.Close();
            }
            catch (Exception ex)
            {

                throw new Exception("删除文件夹！", ex);
            }
        }

        /// <summary>
        /// 获取当前目录下明细(包含文件和文件夹)
        /// </summary>
        /// <returns></returns>
        public string[] GetFilesDetailList()
        {
            string[] downloadFiles;
            try
            {
                StringBuilder result = new StringBuilder();
                FtpWebRequest ftp;
                ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
                ftp.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
                WebResponse response = ftp.GetResponse();
                StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);

                //while (reader.Read() > 0)
                //{

                //}
                string line = reader.ReadLine();
                //line = reader.ReadLine();
                //line = reader.ReadLine();

                while (line != null)
                {
                    result.Append(line);
                    result.Append("
");
                    line = reader.ReadLine();
                }
                result.Remove(result.ToString().LastIndexOf("
"), 1);
                reader.Close();
                response.Close();
                return result.ToString().Split('
');
            }
            catch (Exception ex)
            {
                throw new Exception("获取当前目录下明细(包含文件和文件夹)！", ex);
            }
        }

        /// <summary>
        /// 获取当前目录下文件列表(仅文件)
        /// </summary>
        /// <returns></returns>
        public string[] GetFileList(string mask)
        {
            string[] downloadFiles;
            StringBuilder result = new StringBuilder();
            FtpWebRequest reqFTP;
            try
            {
                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
                reqFTP.UseBinary = true;
                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;
                WebResponse response = reqFTP.GetResponse();
                StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);

                string line = reader.ReadLine();
                while (line != null)
                {
                    if (mask.Trim() != string.Empty && mask.Trim() != "*.*")
                    {

                        string mask_ = mask.Substring(0, mask.IndexOf("*"));
                        if (line.Substring(0, mask_.Length) == mask_)
                        {
                            result.Append(line);
                            result.Append("
");
                        }
                    }
                    else
                    {
                        result.Append(line);
                        result.Append("
");
                    }
                    line = reader.ReadLine();
                }
                result.Remove(result.ToString().LastIndexOf('
'), 1);
                reader.Close();
                response.Close();
                return result.ToString().Split('
');
            }
            catch (Exception ex)
            {
                throw new Exception("获取当前目录下文件列表(仅文件)！", ex);
            }
        }

        /// <summary>
        /// 获取当前目录下所有的文件夹列表(仅文件夹)
        /// </summary>
        /// <returns></returns>
        public string[] GetDirectoryList()
        {
            string[] drectory = GetFilesDetailList();
            string m = string.Empty;
            foreach (string str in drectory)
            {
                int dirPos = str.IndexOf("<DIR>");
                if (dirPos > 0)
                {
                    /*判断 Windows 风格*/
                    m += str.Substring(dirPos + 5).Trim() + "
";
                }
                else if (str.Trim().Substring(0, 1).ToUpper() == "D")
                {
                    /*判断 Unix 风格*/
                    string dir = str.Substring(54).Trim();
                    if (dir != "." && dir != "..")
                    {
                        m += dir + "
";
                    }
                }
            }

            char[] n = new char[] { '
' };
            return m.Split(n);
        }

        /// <summary>
        /// 判断当前目录下指定的子目录是否存在
        /// </summary>
        /// <param name="RemoteDirectoryName">指定的目录名</param>
        public bool DirectoryExist(string RemoteDirectoryName)
        {
            string[] dirList = GetDirectoryList();
            foreach (string str in dirList)
            {
                if (str.Trim() == RemoteDirectoryName.Trim())
                {
                    return true;
                }
            }
            return false;
        }

        /// <summary>
        /// 判断当前目录下指定的文件是否存在
        /// </summary>
        /// <param name="RemoteFileName">远程文件名</param>
        public bool FileExist(string RemoteFileName)
        {
            string[] fileList = GetFileList("*.*");
            foreach (string str in fileList)
            {
                if (str.Trim() == RemoteFileName.Trim())
                {
                    return true;
                }
            }
            return false;
        }

        /// <summary>
        /// 创建文件夹
        /// </summary>
        /// <param name="dirName"></param>
        public void MakeDir(string dirName)
        {
            FtpWebRequest reqFTP;
            try
            {
                // dirName = name of the directory to create.
                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + dirName));
                reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
                reqFTP.UseBinary = true;
                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
                Stream ftpStream = response.GetResponseStream();

                ftpStream.Close();
                response.Close();
            }
            catch (Exception ex)
            {
                throw new Exception("创建文件夹出错！", ex);
            }
        }

        /// <summary>
        /// 获取指定文件大小
        /// </summary>
        /// <param name="filename"></param>
        /// <returns></returns>
        public long GetFileSize(string filename)
        {
            FtpWebRequest reqFTP;
            long fileSize = 0;
            try
            {
                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + filename));
                reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;
                reqFTP.UseBinary = true;
                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
                Stream ftpStream = response.GetResponseStream();
                fileSize = response.ContentLength;

                ftpStream.Close();
                response.Close();
            }
            catch (Exception ex)
            {
                throw new Exception("获取指定文件大小出错！", ex);
            }
            return fileSize;
        }

        /// <summary>
        /// 改名
        /// </summary>
        /// <param name="currentFilename"></param>
        /// <param name="newFilename"></param>
        public void ReName(string currentFilename, string newFilename)
        {
            FtpWebRequest reqFTP;
            try
            {
                reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + currentFilename));
                reqFTP.Method = WebRequestMethods.Ftp.Rename;
                reqFTP.RenameTo = newFilename;
                reqFTP.UseBinary = true;
                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
                FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
                Stream ftpStream = response.GetResponseStream();

                ftpStream.Close();
                response.Close();
            }
            catch (Exception ex)
            {
                throw new Exception("修改文件名称出错！",ex);
            }
        }

    }

}

FtpWebServer.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;

namespace SearchPicture
{
    /// <summary>
    /// 服务器操作类
    /// </summary>
    public class FtpWebServer
    {
        #region FtpWebServer 服务器操作方法
        string ftpServerIp;//服务器ip地址
        int ftpPort;//服务器端口
        string userName;//用户名
        string userPwd;//用户密码
        string ftpBaseUrl;//路径组成 ftp://ftpServerIp:ftpPort/

        /// <summary>
        /// 构造函数
        /// </summary>
        /// <param name="ftpServerIp">服务器地址</param>
        /// <param name="ftpPort">服务器端口号</param>
        /// <param name="userName">用户名</param>
        /// <param name="userPwd">用户密码</param>
        public FtpWebServer(string ftpServerIp, int ftpPort, string userName, string userPwd)
        {
            this.ftpServerIp = ftpServerIp;
            this.ftpPort = ftpPort;
            this.userName = userName;
            this.userPwd = userPwd;
            this.ftpBaseUrl = string.Format("ftp://{0}:{1}/", ftpServerIp, ftpPort);
        }
        #endregion


        //1.搜索文件夹 指定ip地址，日期范围

        #region SearchDir 搜索一级目录下的二级文件夹目录，指定一级目录
        /// <summary>
        /// 搜索一级目录下的二级文件夹目录，指定一级目录
        /// </summary>
        /// <param name="firstDir"></param>
        /// <returns></returns>
        public List<FtpModel> SearchDir(List<string> firstDir, string serverName)
        {
            List<FtpModel> list = new List<FtpModel>();

            foreach (var item in firstDir)
            {
                try
                {
                    var ftpUrl = string.Format("{0}{1}/", ftpBaseUrl, item);

                    FtpWebRequest ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpUrl));
                    ftp.Credentials = new NetworkCredential(userName, userPwd);
                    ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
                    WebResponse response = ftp.GetResponse();
                    StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);

                    string line = reader.ReadLine();
                    while (line != null)
                    {

                        int dirPos = line.IndexOf("<DIR>");
                        if (dirPos > 0)
                        {
                            /*判断 Windows 风格*/
                            FtpModel model = new FtpModel();
                            model.FtpDepartDir = line.Substring(line.LastIndexOf("<DIR>") + 5).Trim();
                            model.FtpServerUrl = string.Format("{0}{1}/", ftpUrl, model.FtpDepartDir);
                            model.ServerName = serverName;
                            list.Add(model);

                        }
                        else if (line.Trim().Substring(0, 1).ToUpper() == "D")
                        {
                            /*判断 Unix 风格*/
                            string dir = line.Substring(51).Trim();
                            if (dir != "." && dir != "..")
                            {
                                FtpModel model = new FtpModel();
                                model.FtpDepartDir = dir;
                                model.FtpServerUrl = string.Format("{0}{1}/", ftpUrl, model.FtpDepartDir);
                                model.ServerName = serverName;
                                list.Add(model);
                            }
                        }

                        line = reader.ReadLine();
                    }
                    reader.Close();
                    response.Close();
                }
                catch (Exception ex)
                {
                    Log.LogMessage("搜索部门/班级发生错误", ex);
                }
            }
            return list;
        }
        #endregion

        #region SearchFtpName 搜索ftp服务器名称
        /// <summary>
        /// 搜索ftp服务器名称
        /// </summary>
        /// <returns></returns>
        public string SearchFtpName()
        {
            string ftpName = string.Empty;

            FtpWebRequest ftp = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpBaseUrl));
            ftp.Credentials = new NetworkCredential(userName, userPwd);
            ftp.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
            WebResponse response = ftp.GetResponse();
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);

            string line = reader.ReadLine();
            while (line != null)
            {
                if (line.Length > 51 && !line.Contains("<DIR>") && line.ToUpper().Trim().EndsWith(".TXT"))
                {
                    //读取到服务器名称，则自动跳出

                    ftpName = line.Substring(51).Trim();
                    ftpName = ftpName.Substring(0, ftpName.LastIndexOf("."));
                    break;
                }
                line = reader.ReadLine();
            }
            reader.Close();
            response.Close();

            return ftpName;
        }
        #endregion

        //2.搜索文件 指定日期范围，文件夹名称

        #region SearchFile 搜索文件名或者搜索文件夹下的所有文件
        /// <summary>
        /// 搜索文件
        /// </summary>
        /// <param name="userName"></param>
        /// <param name="userPwd"></param>
        /// <param name="ftpUrl"></param>
        /// <param name="name"></param>
        /// <returns></returns>
        public static List<FtpFileModel> SearchFile(string userName, string userPwd, string ftpUrl, string name, string ftpName)
        {
            List<FtpFileModel> fileList = new List<FtpFileModel>();

            //搜索所有文件
            FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpUrl));
            reqFTP.UseBinary = true;
            reqFTP.Credentials = new NetworkCredential(userName, userPwd);
            reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
            WebResponse response = reqFTP.GetResponse();
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);

            string line = reader.ReadLine();
            while (line != null)
            {

                if (line.IndexOf("_") > 0 && !line.Contains("<DIR>") && line.Length > 51)
                {
                    var fileName = line.Substring(51).Trim();
                    if (fileName.Substring(0, fileName.IndexOf("_")).Contains(name) || name == string.Empty)
                    {
                        FtpFileModel model = new FtpFileModel();
                        ChangeStringToUserInfo(fileName, model);
                        model.FtpFileUrl = ftpUrl + fileName;
                        model.ServerName = ftpName;
                        fileList.Add(model);
                    }
                }
                line = reader.ReadLine();
            }
            reader.Close();
            response.Close();


            return fileList;
        }
        #endregion


        //3.拷贝文件 指定文件路径，ip地址，本地文件路径

        #region CopyFile 复制文件到本地
        /// <summary>
        /// 复制文件到本地
        /// </summary>
        /// <param name="userName"></param>
        /// <param name="userPwd"></param>
        /// <param name="ftpUrl"></param>
        /// <param name="fileDir">本地保存文件基本路径</param>
        /// <returns></returns>
        public static bool CopyFile(string userName, string userPwd, string ftpUrl, string fileDir, ref string downloadUrl)
        {

            //检测本地文件夹是否存在，如果不存在则创建
            var downloadDir = ftpUrl.Replace("ftp://", "");
            var begin = downloadDir.IndexOf("/");
            var length = downloadDir.LastIndexOf("/") + 1 - begin;
            downloadDir = fileDir + "/" + downloadDir.Substring(begin, length);
            if (!Directory.Exists(downloadDir))
            {
                Directory.CreateDirectory(downloadDir);
            }
            downloadUrl = downloadDir + "/" + Path.GetFileName(ftpUrl);

            if (File.Exists(downloadUrl)) return true;

            return CopyOnlyFile(userName, userPwd, ftpUrl, downloadUrl);

        }
        #endregion

        #region CopyOnlyFile 下载文件到本地
        /// <summary>
        /// 下载文件到本地
        /// </summary>
        /// <param name="userName"></param>
        /// <param name="userPwd"></param>
        /// <param name="ftpUrl"></param>
        /// <param name="currentUrl"></param>
        /// <returns></returns>
        public static bool CopyOnlyFile(string userName, string userPwd, string ftpUrl, string currentUrl)
        {

            FileStream outputStream = new FileStream(currentUrl, FileMode.Create);
            FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpUrl));
            reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
            reqFTP.UseBinary = true;
            reqFTP.Credentials = new NetworkCredential(userName, userPwd);
            FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
            Stream ftpStream = response.GetResponseStream();
            long cl = response.ContentLength;
            int bufferSize = 2048;
            int readCount;
            byte[] buffer = new byte[bufferSize];

            readCount = ftpStream.Read(buffer, 0, bufferSize);
            while (readCount > 0)
            {
                outputStream.Write(buffer, 0, readCount);
                readCount = ftpStream.Read(buffer, 0, bufferSize);
            }

            ftpStream.Close();
            outputStream.Close();
            response.Close();

            return true;

        }
        #endregion

        #region ChangeStringToUserInfo 将文件名转换为用户名和刷卡时间
        /// <summary>
        /// 将文件名转换为用户名和刷卡时间
        /// </summary>
        /// <param name="url"></param>
        /// <param name="model"></param>
        private static void ChangeStringToUserInfo(string picName, FtpFileModel model)
        {
            var ext = Path.GetExtension(picName);
            picName = picName.Replace(ext, string.Empty);

            var names = picName.Split(new char[] { '_' });
            var year = names[1].Substring(0, 4);
            var month = names[1].Substring(4, 2);
            var day = names[1].Substring(6, 2);
            var hour = names[1].Substring(8, 2);
            var min = names[1].Substring(10, 2);
            var second = names[1].Substring(12, 2);
            model.UserTime = string.Format("{0}-{1}-{2} {3}:{4}:{5}", year, month, day, hour, min, second);
            model.UserName = names[0];
        }
        #endregion
    }
}