332 lines
13 KiB
C#
332 lines
13 KiB
C#
using System;
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using System.IO;
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using System.Net;
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using System.Collections.Generic;
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using System.Windows.Forms;
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namespace TECSharpFunction
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{
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/// <summary>
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/// FTP操作
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/// </summary>
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public class FTPHelper
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{
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#region FTPConfig
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string ftpURI;
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string ftpUserID;
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string ftpServerIP;
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string ftpPassword;
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string ftpRemotePath;
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#endregion
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/// <summary>
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/// 连接FTP服务器
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/// </summary>
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/// <param name="FtpServerIP">FTP连接地址</param>
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/// <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>
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/// <param name="FtpUserID">用户名</param>
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/// <param name="FtpPassword">密码</param>
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public FTPHelper(string FtpServerIP, string FtpRemotePath, string FtpUserID, string FtpPassword)
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{
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ftpServerIP = FtpServerIP;
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ftpRemotePath = FtpRemotePath;
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ftpUserID = FtpUserID;
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ftpPassword = FtpPassword;
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ftpURI = "ftp://" + ftpServerIP + "/" + ftpRemotePath + "/";
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}
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public bool CheckFtp()
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{
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try
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{
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FtpWebRequest ftprequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
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// ftp用户名和密码
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ftprequest.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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ftprequest.Method = WebRequestMethods.Ftp.ListDirectory;
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ftprequest.Timeout = 3000;
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FtpWebResponse ftpResponse = (FtpWebResponse)ftprequest.GetResponse();
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ftpResponse.Close();
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return true;
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}
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catch (Exception ex)
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{
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return false;
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}
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}
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// 参数localfile为要上传的本地文件，ftpfile为上传到FTP的文件名称，ProgressBar为显示上传进度的滚动条，适用于WinForm。若应用于控制台程序，只要重写该函数，将参数ProgressBar去掉即可，同时将函数实现里所有涉及ProgressBar的地方都删掉。
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//————————————————
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//版权声明：本文为CSDN博主「只会搬运的小菜鸟」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
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//原文链接：https://blog.csdn.net/u011465910/article/details/126563124
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public void Upload(string localfile, string ftpfile, System.Windows.Forms.ProgressBar pb)
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{
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FileInfo fileInf = new FileInfo(localfile);
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FtpWebRequest reqFTP;
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reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + ftpfile));
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reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
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reqFTP.KeepAlive = false;
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reqFTP.UseBinary = true;
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reqFTP.ContentLength = fileInf.Length;
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if (pb != null)
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{
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pb.Maximum = Convert.ToInt32(reqFTP.ContentLength / 2048);
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pb.Maximum = pb.Maximum + 1;
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pb.Minimum = 0;
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pb.Value = 0;
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}
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int buffLength = 2048;
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byte[] buff = new byte[buffLength];
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int contentLen;
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FileStream fs = fileInf.OpenRead();
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try
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{
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Stream strm = reqFTP.GetRequestStream();
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contentLen = fs.Read(buff, 0, buffLength);
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while (contentLen != 0)
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{
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strm.Write(buff, 0, contentLen);
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if (pb != null)
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{
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if (pb.Value != pb.Maximum)
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pb.Value = pb.Value + 1;
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}
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contentLen = fs.Read(buff, 0, buffLength);
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System.Windows.Forms.Application.DoEvents();
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}
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if (pb != null)
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pb.Value = pb.Maximum;
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System.Windows.Forms.Application.DoEvents();
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strm.Close();
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fs.Close();
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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//参数localfilename为将下载到本地的文件名称，ftpfilename为要下载的FTP上文件名称，
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// ProcessBar为用于显示下载进度的进度条。该函数用于WinForm，若用于控制台，只要重写该函数，删除所有涉及ProcessBar的代码即可。
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public void Download(string localfilename, string ftpfileName, System.Windows.Forms.ProgressBar pb)
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{
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long fileSize = GetFileSize(ftpfileName);
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if (fileSize > 0)
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{
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if (pb != null)
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{
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pb.Maximum = Convert.ToInt32(fileSize / 2048);
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pb.Maximum = pb.Maximum + 1;
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pb.Minimum = 0;
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pb.Value = 0;
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}
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try
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{
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FileStream outputStream = new FileStream(localfilename, FileMode.Create);
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FtpWebRequest reqFTP;
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reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + ftpfileName));
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reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
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reqFTP.UseBinary = true;
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FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
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Stream ftpStream = response.GetResponseStream();
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int bufferSize = 2048;
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int readCount;
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byte[] buffer = new byte[bufferSize];
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readCount = ftpStream.Read(buffer, 0, bufferSize);
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while (readCount > 0)
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{
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outputStream.Write(buffer, 0, readCount);
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if (pb != null)
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{
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if (pb.Value != pb.Maximum)
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pb.Value = pb.Value + 1;
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}
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readCount = ftpStream.Read(buffer, 0, bufferSize);
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System.Windows.Forms.Application.DoEvents();
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}
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if (pb != null)
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pb.Value = pb.Maximum;
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System.Windows.Forms.Application.DoEvents();
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ftpStream.Close();
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outputStream.Close();
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response.Close();
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}
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catch (Exception ex)
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{
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File.Delete(localfilename);
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//throw new Exception(ex.Message);
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}
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}
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}
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public void Delete(string fileName)
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{
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try
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{
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FtpWebRequest reqFTP;
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reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + fileName));
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reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;
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reqFTP.KeepAlive = false;
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string result = String.Empty;
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FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
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long size = response.ContentLength;
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Stream datastream = response.GetResponseStream();
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StreamReader sr = new StreamReader(datastream);
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result = sr.ReadToEnd();
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sr.Close();
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datastream.Close();
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response.Close();
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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//ListType=1代表获取文件列表，ListType=2代表获取文件夹列表，ListType=3代表获取文件和文件夹列表。
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//Detail=true时获文件或文件夹详细信息，Detail=false时只获取文件或文件夹名称。
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//Keyword是只需list名称包含Keyword的文件或文件夹，若要list所有文件或文件夹，则该参数为空。若ListType=3，则该参数无效。
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//————————————————
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//版权声明：本文为CSDN博主「只会搬运的小菜鸟」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
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public List<string> GetFileDirctoryList(int ListType, bool Detail, string Keyword)
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{
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List<string> strs = new List<string>();
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try
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{
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FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI));
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// ftp用户名和密码
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reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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if (Detail)
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reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
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else
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reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;
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WebResponse response = reqFTP.GetResponse();
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StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.Default);//中文文件名
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string line = reader.ReadLine();
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while (line != null)
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{
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if (ListType == 1)
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{
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if (line.Contains("."))
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{
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if (Keyword.Trim() == "*.*" || Keyword.Trim() == "")
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{
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strs.Add(line);
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}
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else if (line.IndexOf(Keyword.Trim()) > -1)
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{
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strs.Add(line);
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}
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}
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}
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else if (ListType == 2)
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{
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if (!line.Contains("."))
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{
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if (Keyword.Trim() == "*" || Keyword.Trim() == "")
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{
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strs.Add(line);
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}
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else if (line.IndexOf(Keyword.Trim()) > -1)
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{
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strs.Add(line);
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}
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}
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}
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else if (ListType == 3)
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{
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strs.Add(line);
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}
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line = reader.ReadLine();
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}
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reader.Close();
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response.Close();
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return strs;
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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public void MakeDir(string dirName)
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{
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FtpWebRequest reqFTP;
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try
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{
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reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + dirName));
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reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
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reqFTP.UseBinary = true;
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reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
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Stream ftpStream = response.GetResponseStream();
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ftpStream.Close();
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response.Close();
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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public long GetFileSize(string ftpfileName)
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{
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long fileSize = 0;
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try
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{
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FtpWebRequest reqFTP;
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reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + ftpfileName));
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reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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reqFTP.Method = WebRequestMethods.Ftp.GetFileSize;
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reqFTP.UseBinary = true;
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FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
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Stream ftpStream = response.GetResponseStream();
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fileSize = response.ContentLength;
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ftpStream.Close();
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response.Close();
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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return fileSize;
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}
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public void ReName(string currentFilename, string newFilename)
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{
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FtpWebRequest reqFTP;
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try
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{
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reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpURI + currentFilename));
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reqFTP.Method = WebRequestMethods.Ftp.Rename;
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reqFTP.RenameTo = newFilename;
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reqFTP.UseBinary = true;
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reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
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FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
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Stream ftpStream = response.GetResponseStream();
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ftpStream.Close();
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response.Close();
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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}
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public void MovieFile(string currentFilename, string newDirectory)
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{
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ReName(currentFilename, newDirectory);
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}
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}
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} |