C# winfrom桌面应用实现自动更新

实现方式/思路：FTP文件(应用程序包)下载，解压

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using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text;   namespace AutoUpdate.Helper {     public class ProcessHelper     {         private static ProcessHelper instance;         public static ProcessHelper Instance         {             get             {                 if (instance == null) instance = new ProcessHelper();                 return ProcessHelper.instance;             }         }           /// <summary>         /// 关闭进程         /// </summary>         /// <param name="processName">进程名</param>         public void KillProcessByName(string processName)         {             try             {                 Process[] myproc = Process.GetProcesses();                 foreach (Process item in myproc)                 {                     if (item.ProcessName == processName)                     {                         item.CloseMainWindow();                         item.Kill();                     }                 }             }             catch { return; }         }           /// <summary>         /// 启动进程         /// </summary>         /// <param name="processName">进程名,完全限定名</param>         public void StartProcessByName(string processName)         {             System.Diagnostics.Process.Start(processName);             //Process process = new Process();//声明一个进程类对象             //process.StartInfo.FileName = processName;//Application.StartupPath + "\\AutoUpdate.exe";             //process.Start();         }           public void StartProcessByName(string processName,string param)         {             //System.Diagnostics.Process.Start(processName);             Process p = new Process();//声明一个进程类对象             p.StartInfo.FileName = processName;// Application.StartupPath + "\\AutoUpdate.exe";             p.StartInfo.UseShellExecute = true;             p.StartInfo.Arguments = param;             p.Start();         }         } }   using System; using System.IO; using System.Diagnostics; using Microsoft.Win32; using ICSharpCode.SharpZipLib.Checksums; using ICSharpCode.SharpZipLib.Zip;   namespace AutoUpdate.Helper {     public class SharpZip     {         public SharpZip()         { }           /// <summary>         /// 压缩         /// </summary>         /// <param name="filename"> 压缩后的文件名(包含物理路径)</param>         /// <param name="directory">待压缩的文件夹(包含物理路径)</param>         public static void PackFiles(string filename, string directory)         {             try             {                 FastZip fz = new FastZip();                 fz.CreateEmptyDirectories = true;                 fz.CreateZip(filename, directory, true, "");                 fz = null;             }             catch (Exception)             {                 throw;             }         }           /// <summary>         /// 解压缩         /// </summary>         /// <param name="file">待解压文件名(包含物理路径)</param>         /// <param name="targetdir"> 解压到哪个目录中(包含物理路径)</param>         public static bool UnpackFiles(string file, string targetdir)         {             try             {                 if (!Directory.Exists(targetdir))                 {                     Directory.CreateDirectory(targetdir);                 }                 ZipInputStream s = new ZipInputStream(File.OpenRead(file));                 ZipEntry theEntry;                 while ((theEntry = s.GetNextEntry()) != null)                 {                     string directoryName = Path.GetDirectoryName(theEntry.Name);                     string fileName = Path.GetFileName(theEntry.Name);                     if (directoryName != String.Empty)                     {                         Directory.CreateDirectory(targetdir + directoryName);                     }                     if (fileName != String.Empty)                     {                         //FileStream streamWriter = File.Create(targetdir + theEntry.Name);                         FileStream streamWriter = File.Create(theEntry.Name);                         int size = 2048;                         byte[] data = new byte[2048];                         while (true)                         {                             size = s.Read(data, 0, data.Length);                             if (size > 0)                             {                                 streamWriter.Write(data, 0, size);                             }                             else                             {                                 break;                             }                         }                         streamWriter.Close();                     }                 }                 s.Close();                 return true;             }             catch (Exception)             {                 throw;             }         }     }       public class ClassZip     {         #region 私有方法         /// <summary>         /// 递归压缩文件夹方法         /// </summary>         private static bool ZipFileDictory(string FolderToZip, ZipOutputStream s, string ParentFolderName)         {             bool res = true;             string[] folders, filenames;             ZipEntry entry = null;             FileStream fs = null;             Crc32 crc = new Crc32();             try             {                 entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/"));                 s.PutNextEntry(entry);                 s.Flush();                 filenames = Directory.GetFiles(FolderToZip);                 foreach (string file in filenames)                 {                     fs = File.OpenRead(file);                     byte[] buffer = new byte[fs.Length];                     fs.Read(buffer, 0, buffer.Length);                     entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + Path.GetFileName(file)));                     entry.DateTime = DateTime.Now;                     entry.Size = fs.Length;                     fs.Close();                     crc.Reset();                     crc.Update(buffer);                     entry.Crc = crc.Value;                     s.PutNextEntry(entry);                     s.Write(buffer, 0, buffer.Length);                 }             }             catch             {                 res = false;             }             finally             {                 if (fs != null)                 {                     fs.Close();                     fs = null;                 }                 if (entry != null)                 {                     entry = null;                 }                 GC.Collect();                 GC.Collect(1);             }             folders = Directory.GetDirectories(FolderToZip);             foreach (string folder in folders)             {                 if (!ZipFileDictory(folder, s, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip))))                 {                     return false;                 }             }             return res;         }           /// <summary>         /// 压缩目录         /// </summary>         /// <param name="FolderToZip">待压缩的文件夹，全路径格式</param>         /// <param name="ZipedFile">压缩后的文件名，全路径格式</param>         private static bool ZipFileDictory(string FolderToZip, string ZipedFile, int level)         {             bool res;             if (!Directory.Exists(FolderToZip))             {                 return false;             }             ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFile));             s.SetLevel(level);             res = ZipFileDictory(FolderToZip, s, "");             s.Finish();             s.Close();             return res;         }           /// <summary>         /// 压缩文件         /// </summary>         /// <param name="FileToZip">要进行压缩的文件名</param>         /// <param name="ZipedFile">压缩后生成的压缩文件名</param>         private static bool ZipFile(string FileToZip, string ZipedFile, int level)         {             if (!File.Exists(FileToZip))             {                 throw new System.IO.FileNotFoundException("指定要压缩的文件: " + FileToZip + " 不存在!");             }             FileStream ZipFile = null;             ZipOutputStream ZipStream = null;             ZipEntry ZipEntry = null;             bool res = true;             try             {                 ZipFile = File.OpenRead(FileToZip);                 byte[] buffer = new byte[ZipFile.Length];                 ZipFile.Read(buffer, 0, buffer.Length);                 ZipFile.Close();                   ZipFile = File.Create(ZipedFile);                 ZipStream = new ZipOutputStream(ZipFile);                 ZipEntry = new ZipEntry(Path.GetFileName(FileToZip));                 ZipStream.PutNextEntry(ZipEntry);                 ZipStream.SetLevel(level);                   ZipStream.Write(buffer, 0, buffer.Length);             }             catch             {                 res = false;             }             finally             {                 if (ZipEntry != null)                 {                     ZipEntry = null;                 }                 if (ZipStream != null)                 {                     ZipStream.Finish();                     ZipStream.Close();                 }                 if (ZipFile != null)                 {                     ZipFile.Close();                     ZipFile = null;                 }                 GC.Collect();                 GC.Collect(1);             }             return res;         }         #endregion           /// <summary>         /// 压缩         /// </summary>         /// <param name="FileToZip">待压缩的文件目录</param>         /// <param name="ZipedFile">生成的目标文件</param>         /// <param name="level">6</param>         public static bool Zip(String FileToZip, String ZipedFile, int level)         {             if (Directory.Exists(FileToZip))             {                 return ZipFileDictory(FileToZip, ZipedFile, level);             }             else if (File.Exists(FileToZip))             {                 return ZipFile(FileToZip, ZipedFile, level);             }             else             {                 return false;             }         }           /// <summary>         /// 解压         /// </summary>         /// <param name="FileToUpZip">待解压的文件</param>         /// <param name="ZipedFolder">解压目标存放目录</param>         public static void UnZip(string FileToUpZip, string ZipedFolder)         {             if (!File.Exists(FileToUpZip))             {                 return;             }             if (!Directory.Exists(ZipedFolder))             {                 Directory.CreateDirectory(ZipedFolder);             }             ZipInputStream s = null;             ZipEntry theEntry = null;             string fileName;             FileStream streamWriter = null;             try             {                 s = new ZipInputStream(File.OpenRead(FileToUpZip));                 while ((theEntry = s.GetNextEntry()) != null)                 {                     if (theEntry.Name != String.Empty)                     {                         fileName = Path.Combine(ZipedFolder, theEntry.Name);                         if (fileName.EndsWith("/") || fileName.EndsWith("\\"))                         {                             Directory.CreateDirectory(fileName);                             continue;                         }                         streamWriter = File.Create(fileName);                         int size = 2048;                         byte[] data = new byte[2048];                         while (true)                         {                             size = s.Read(data, 0, data.Length);                             if (size > 0)                             {                                 streamWriter.Write(data, 0, size);                             }                             else                             {                                 break;                             }                         }                     }                 }             }             finally             {                 if (streamWriter != null)                 {                     streamWriter.Close();                     streamWriter = null;                 }                 if (theEntry != null)                 {                     theEntry = null;                 }                 if (s != null)                 {                     s.Close();                     s = null;                 }                 GC.Collect();                 GC.Collect(1);             }         }     }       public class ZipHelper     {         #region 私有变量         String the_rar;         RegistryKey the_Reg;         Object the_Obj;         String the_Info;         ProcessStartInfo the_StartInfo;         Process the_Process;         #endregion           /// <summary>         /// 压缩         /// </summary>         /// <param name="zipname">要解压的文件名</param>         /// <param name="zippath">要压缩的文件目录</param>         /// <param name="dirpath">初始目录</param>         public void EnZip(string zipname, string zippath, string dirpath)         {             try             {                 the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRAR.exe\Shell\Open\Command");                 the_Obj = the_Reg.GetValue("");                 the_rar = the_Obj.ToString();                 the_Reg.Close();                 the_rar = the_rar.Substring(1, the_rar.Length - 7);                 the_Info = " a    " + zipname + "  " + zippath;                 the_StartInfo = new ProcessStartInfo();                 the_StartInfo.FileName = the_rar;                 the_StartInfo.Arguments = the_Info;                 the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;                 the_StartInfo.WorkingDirectory = dirpath;                 the_Process = new Process();                 the_Process.StartInfo = the_StartInfo;                 the_Process.Start();             }             catch (Exception ex)             {                 throw new Exception(ex.Message);             }         }           /// <summary>         /// 解压缩         /// </summary>         /// <param name="zipname">要解压的文件名</param>         /// <param name="zippath">要解压的文件路径</param>         public void DeZip(string zipname, string zippath)         {             try             {                 the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRar.exe\Shell\Open\Command");                 the_Obj = the_Reg.GetValue("");                 the_rar = the_Obj.ToString();                 the_Reg.Close();                 the_rar = the_rar.Substring(1, the_rar.Length - 7);                 the_Info = " X " + zipname + " " + zippath;                 the_StartInfo = new ProcessStartInfo();                 the_StartInfo.FileName = the_rar;                 the_StartInfo.Arguments = the_Info;                 the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;                 the_Process = new Process();                 the_Process.StartInfo = the_StartInfo;                 the_Process.Start();             }             catch (Exception ex)             {                 throw new Exception(ex.Message);             }         }     }   }     using System; using System.Collections.Generic; using System.Configuration; using System.IO; using System.Net; using System.Text; using System.Windows.Forms;   namespace AutoUpdate.Helper {     public class UpdateHelper     {         private static UpdateHelper instance;         public static UpdateHelper Instance         {             get             {                 if (instance == null) instance = new UpdateHelper();                 return UpdateHelper.instance;             }         }           //基本设置         private string FTPFilePath = @"ftp://" + ConfigurationManager.AppSettings["FTPFilePath"];    //目标路径         private string FtpServerPort = ConfigurationManager.AppSettings["FtpServerPort"];    //ftp IP地址         private string FtpServerIP = ConfigurationManager.AppSettings["FtpServerIP"];    //ftp IP地址         private string FtpServerUserName = ConfigurationManager.AppSettings["FtpServerUserName"];   //ftp用户名         private string FtpServerPassword = ConfigurationManager.AppSettings["FtpServerPassword"];   //ftp密码           //获取ftp上面的文件和文件夹         public string[] GetFileList(string dir)         {             string[] downloadFiles;             StringBuilder result = new StringBuilder();             FtpWebRequest request;             try             {                 request = (FtpWebRequest)FtpWebRequest.Create(new Uri(FTPFilePath));                 request.UseBinary = true;                 request.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);//设置用户名和密码                 request.Method = WebRequestMethods.Ftp.ListDirectory;                 request.UseBinary = true;                   WebResponse response = request.GetResponse();                 StreamReader reader = new StreamReader(response.GetResponseStream());                 string line = reader.ReadLine();                 while (line != null)                 {                     result.Append(line);                     result.Append("\n");                     Console.WriteLine(line);                     line = reader.ReadLine();                 }                 // to remove the trailing '\n'                 result.Remove(result.ToString().LastIndexOf('\n'), 1);                 reader.Close();                 response.Close();                 return result.ToString().Split('\n');             }             catch (Exception ex)             {                 Console.WriteLine("获取ftp上面的文件和文件夹：" + ex.Message);                 downloadFiles = null;                 return downloadFiles;             }         }           /// <summary>         /// 获取文件大小         /// </summary>         /// <param name="file">ip服务器下的相对路径</param>         /// <returns>文件大小</returns>         public int GetFileSize(string file)         {             StringBuilder result = new StringBuilder();             FtpWebRequest request;             try             {                 request = (FtpWebRequest)FtpWebRequest.Create(new Uri(FTPFilePath + file));                 request.UseBinary = true;                 request.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);//设置用户名和密码                 request.Method = WebRequestMethods.Ftp.GetFileSize;                   return (int)request.GetResponse().ContentLength;             }             catch (Exception ex)             {                 Console.WriteLine("获取文件大小出错：" + ex.Message);                 return -1;             }         }           /// <summary>         /// 文件上传         /// </summary>         /// <param name="filePath">原路径（绝对路径）包括文件名</param>         /// <param name="objPath">目标文件夹：服务器下的相对路径 不填为根目录</param>         public void FileUpLoad(string filePath, string objPath = "")         {             try             {                 string url = FTPFilePath;                 if (objPath != "") url += objPath + "/";                 try                 {                       FtpWebRequest reqFTP = null;                     //待上传的文件 （全路径）                     try                     {                         FileInfo fileInfo = new FileInfo(filePath);                         using (FileStream fs = fileInfo.OpenRead())                         {                             long length = fs.Length;                             reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(url + fileInfo.Name));                             //设置连接到FTP的帐号密码                             reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                             //设置请求完成后是否保持连接                             reqFTP.KeepAlive = false;                             //指定执行命令                             reqFTP.Method = WebRequestMethods.Ftp.UploadFile;                             //指定数据传输类型                             reqFTP.UseBinary = true;                               using (Stream stream = reqFTP.GetRequestStream())                             {                                 //设置缓冲大小                                 int BufferLength = 5120;                                 byte[] b = new byte[BufferLength];                                 int i;                                 while ((i = fs.Read(b, 0, BufferLength)) > 0)                                 {                                     stream.Write(b, 0, i);                                 }                                 Console.WriteLine("上传文件成功");                             }                         }                     }                     catch (Exception ex)                     {                         Console.WriteLine("上传文件失败错误为" + ex.Message);                     }                     finally                     {                       }                 }                 catch (Exception ex)                 {                     Console.WriteLine("上传文件失败错误为" + ex.Message);                 }                 finally                 {                 }             }             catch (Exception ex)             {                 Console.WriteLine("上传文件失败错误为" + ex.Message);             }         }           /// <summary>         /// 删除文件         /// </summary>         /// <param name="fileName">服务器下的相对路径 包括文件名</param>         public void DeleteFileName(string fileName)         {             try             {                 FileInfo fileInf = new FileInfo(FtpServerIP + "" + fileName);                 string uri = FTPFilePath + fileName;                 FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                 // 指定数据传输类型                 reqFTP.UseBinary = true;                 // ftp用户名和密码                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 // 默认为true，连接不会被关闭                 // 在一个命令之后被执行                 reqFTP.KeepAlive = false;                 // 指定执行什么命令                 reqFTP.Method = WebRequestMethods.Ftp.DeleteFile;                 FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                 response.Close();             }             catch (Exception ex)             {                 Console.WriteLine("删除文件出错：" + ex.Message);             }         }           /// <summary>         /// 新建目录 上一级必须先存在         /// </summary>         /// <param name="dirName">服务器下的相对路径</param>         public void MakeDir(string dirName)         {             try             {                 string uri = FTPFilePath + dirName;                 FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                 // 指定数据传输类型                 reqFTP.UseBinary = true;                 // ftp用户名和密码                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;                 FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                 response.Close();             }             catch (Exception ex)             {                 Console.WriteLine("创建目录出错：" + ex.Message);             }         }           /// <summary>         /// 删除目录 上一级必须先存在         /// </summary>         /// <param name="dirName">服务器下的相对路径</param>         public void DelDir(string dirName)         {             try             {                 string uri = FTPFilePath + dirName;                 FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                 // ftp用户名和密码                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory;                 FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();                 response.Close();             }             catch (Exception ex)             {                 Console.WriteLine("删除目录出错：" + ex.Message);             }         }           /// <summary>         /// 从ftp服务器上获得文件夹列表         /// </summary>         /// <param name="RequedstPath">服务器下的相对路径</param>         /// <returns></returns>         public List<string> GetDirctory(string RequedstPath)         {             List<string> strs = new List<string>();             try             {                 string uri = FTPFilePath + RequedstPath;   //目标路径 path为服务器地址                 FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                 // ftp用户名和密码                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;                 WebResponse response = reqFTP.GetResponse();                 StreamReader reader = new StreamReader(response.GetResponseStream());//中文文件名                   string line = reader.ReadLine();                 while (line != null)                 {                     if (line.Contains("<DIR>"))                     {                         string msg = line.Substring(line.LastIndexOf("<DIR>") + 5).Trim();                         strs.Add(msg);                     }                     line = reader.ReadLine();                 }                 reader.Close();                 response.Close();                 return strs;             }             catch (Exception ex)             {                 Console.WriteLine("获取目录出错：" + ex.Message);             }             return strs;         }           /// <summary>         /// 从ftp服务器上获得文件列表         /// </summary>         /// <param name="RequedstPath">服务器下的相对路径</param>         /// <returns></returns>         public List<string> GetFile(string RequedstPath)         {             List<string> strs = new List<string>();             try             {                 string uri = FTPFilePath + RequedstPath;   //目标路径 path为服务器地址                 FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));                 // ftp用户名和密码                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 reqFTP.Method = WebRequestMethods.Ftp.ListDirectoryDetails;                 WebResponse response = reqFTP.GetResponse();                 StreamReader reader = new StreamReader(response.GetResponseStream());//中文文件名                   string line = reader.ReadLine();                 while (line != null)                 {                     if (!line.Contains("<DIR>"))                     {                         string msg = line.Substring(39).Trim();                         strs.Add(msg);                     }                     line = reader.ReadLine();                 }                 reader.Close();                 response.Close();                 return strs;             }             catch (Exception ex)             {                 Console.WriteLine("获取文件出错：" + ex.Message);             }             return strs;         }           /// <summary>         /// 从ftp服务器上下载文件的功能          /// </summary>         /// <param name="fileName">文件名称</param>         public void Download(string fileName)         {             FtpWebRequest reqFTP;             try             {                 string filePath = Application.StartupPath;                 FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);                 string str = FTPFilePath + ":" + FtpServerPort + "/" + fileName;                 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(str));                 reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;                 reqFTP.UseBinary = true;                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 reqFTP.UsePassive = false;                 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 ex;             }         }           /// <summary>         /// 解压文件         /// </summary>         /// <param name="fileName">文件名</param>         /// <param name="initPath">路径(不含文件名)</param>         public void DownloadDir(string fileName,string initPath)         {             FtpWebRequest reqFTP;             try             {                 string filePath = initPath;// Application.StartupPath;                 FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);                 string str = FTPFilePath + ":" + FtpServerPort + "/" + fileName;                 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(str));                 reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;                 reqFTP.UseBinary = true;                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 reqFTP.UsePassive = false;                 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 ex;             }         }           /// <summary>         /// 从ftp服务器上下载文件的功能          /// </summary>         /// <param name="fileName">文件名称</param>         /// <param name="targetPath">存放目标位置+文件名称</param>         public void Download(string fileName, string targetPath)         {             FtpWebRequest reqFTP;             try             {                 string filePath = Application.StartupPath;                 //FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);                 FileStream outputStream = new FileStream(targetPath, FileMode.Create);                 string str = FTPFilePath + ":" + FtpServerPort + "/" + fileName;                 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(str));                 reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;                 reqFTP.UseBinary = true;                 reqFTP.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 reqFTP.UsePassive = false;                 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 ex;             }         }           /// <summary>         /// 用FTP方式上传文件         /// </summary>         /// <param name="fileName"></param>         /// <param name="uploadUrl"></param>         /// <param name="msg"></param>         public void Upload(string fileName, string uploadUrl)         {             Stream requestStream = null;             FileStream fileStream = null;             FtpWebResponse response = null; try             {                 FtpWebRequest request = (FtpWebRequest)WebRequest.Create(uploadUrl);                 request.Method = WebRequestMethods.Ftp.UploadFile;                 request.Credentials = new NetworkCredential(FtpServerUserName, FtpServerPassword);                 request.Proxy = null;                 requestStream = request.GetRequestStream();                 fileStream = File.Open(fileName, FileMode.Open);                 byte[] buffer = new byte[1024];                 int bytesRead;                 while (true)                 {                     bytesRead = fileStream.Read(buffer, 0, buffer.Length);                     if (bytesRead == 0) break;                       requestStream.Write(buffer, 0, bytesRead);                 }                 requestStream.Close();                 response = (FtpWebResponse)request.GetResponse();             }             catch (UriFormatException ex)             {               }             catch (IOException ex)             {               }             catch (WebException ex)             {               }             finally             {                 if (response != null) response.Close();                 if (fileStream != null) fileStream.Close();                 if (requestStream != null) requestStream.Close();             }         }     } }   using System; using System.Collections.Generic; using System.Linq; using System.Text;   namespace AutoUpdate.Helper {     public class VarHelper     {         private static VarHelper instance;         public static VarHelper Instance         {             get             {                 if (instance == null) instance = new VarHelper();                 return VarHelper.instance;             }         }           //初始路径 + 自动更新程序名称 + 主程序名称         //string param = fullPath + ","         //    + "AutoUpdate\\AutoUpdate.exe," //自动更新程序         //    + "Debug\\AutoUpdateApp.exe,"//主程序         //    + "Debug";//下载包         /// <summary>         /// 需要更新的文件夹  初始路径         /// </summary>         public string InitPath = "";         /// <summary>         /// 自动更新程序名称         /// </summary>         public string AutoUpdateExe = "";         /// <summary>         /// 主程序名称         /// </summary>         public string MainExe = "";         /// <summary>         /// 下载包         /// </summary>         public string DownDir = "";     } }

自动更新程序：

 

 

 

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using AutoUpdate.Helper; using System; using System.Collections.Generic; using System.IO; using System.Windows.Forms; using ZB.QueueSys.Common;   namespace AutoUpdate {     public partial class MainForm : Form     {         public MainForm()         {             InitializeComponent();         }           private void MainForm_Load(object sender, EventArgs e)         {             UpdateApp();         }           private void UpdateApp()         {             this.probarWatting.Style = ProgressBarStyle.Marquee;             this.probarWatting.Show();               try             {                 #region 注释代码                 //NewMethod();                   //    DirectoryInfo di = new DirectoryInfo(string.Format(@"{0}..\..\", Application.StartupPath));                 //    string fullPath = di.FullName;                 //    string param = fullPath + ","                 //+ "AutoUpdate\\AutoUpdate.exe," //自动更新程序                 //+ "Debug\\AutoUpdateApp.exe,"//主程序                 //+ "Debug";//下载包                   //    VarHelper.Instance.InitPath = param[0];                 //    VarHelper.Instance.AutoUpdateExe = param[1];                 //    VarHelper.Instance.MainExe = param[2];                 //    VarHelper.Instance.DownDir = param[3];                 #endregion                   string fileZip = VarHelper.Instance.InitPath + VarHelper.Instance.DownDir;//+ "\\QueueSys.zip";                 string target = VarHelper.Instance.InitPath + "\\" + VarHelper.Instance.DownDir;                   UpdateHelper.Instance.DownloadDir(VarHelper.Instance.DownDir + ".zip", VarHelper.Instance.InitPath);//需要下载的压缩文件名称                 //从那解压到哪                 SharpZip.UnpackFiles(fileZip + ".zip", target);//MessageBox.Show("解压target==" + target);  //ClassZip.UnZip(fileZip + ".zip", target);                 DialogResult result = MessageBox.Show("更新已完成,是否启动预约程序？", "提示",                     MessageBoxButtons.OKCancel, MessageBoxIcon.Question);                 if (result.Equals(DialogResult.OK))                 {                     File.Delete(fileZip + ".zip");//MessageBox.Show("开始删除临时压缩文件" + fileZip + ".zip");                       string mainExe = VarHelper.Instance.InitPath + VarHelper.Instance.MainExe;//"\\QueueSys";                     ProcessHelper.Instance.StartProcessByName(mainExe);                    //MessageBox.Show("启动==" + mainExe);                     ProcessHelper.Instance.KillProcessByName("AutoUpdate");                     //System.GC.Collect();//垃圾回收                 }               }             catch (Exception ex)             {                 //MessageBox.Show("删除压缩文件==" + ex.Message + ex.StackTrace);                 MessageBox.Show("更新失败，请联系管理员");                 LogHelper.Instance.SaveText("" + ex.Message + ex.StackTrace);                 return;             }         }           private void NewMethod()         {             // 第一步下载需要更新的配置文件             string filepath = "UpdateList.xml";             UpdateHelper.Instance.Download(filepath);             // 第二步 提供并解析配置文件(获取需要更新的文件名称、文件更新后的路径)             string path = Application.StartupPath + "\\UpdateList.xml";             List<UpdateList> list = AutoUpdate.Helper.XmlHelper.Instance.GetUpdateList(path, "Root");             //第三步 循环下载文件到指定路径             foreach (UpdateList item in list)             {                 if (string.IsNullOrEmpty(item.PATH)) UpdateHelper.Instance.Download(item.NAME);//下载至根目录                 else //下载至指定目录                 {                     string targetPath = Application.StartupPath + "\\" + item.PATH + "\\" + item.NAME;                     UpdateHelper.Instance.Download(item.NAME, targetPath);                 }             }         }           private void MainForm_FormClosing(object sender, FormClosingEventArgs e)         {             DialogResult result = MessageBox.Show("程序正在更新，退出将导致异常", "是否确认退出",                 MessageBoxButtons.OKCancel, MessageBoxIcon.Question);             if (result.Equals(DialogResult.OK))             {                 Application.Exit();             }         }           private void buttonTest_Click(object sender, EventArgs e)         {             UpdateApp();         }         } }<br><br>　主程序：using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.Drawing; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms;   namespace AutoUpdateApp {     public partial class Form1 : Form     {         public Form1()         {             InitializeComponent();         }           private void button1_Click(object sender, EventArgs e)         {             DirectoryInfo info = new DirectoryInfo(Application.StartupPath);             string path = info.Parent.Parent.FullName;               DirectoryInfo di = new DirectoryInfo(string.Format(@"{0}..\..\", Application.StartupPath));             string fullPath = di.FullName;               //初始路径 + 自动更新程序名称 + 主程序名称             string param = fullPath + ","                 + "AutoUpdate\\AutoUpdate.exe," //自动更新程序                 + "Debug\\AutoUpdateApp.exe,"//主程序                 + "Debug";//下载包               //AutoUpdate             Process p = new Process();//声明一个进程类对象             p.StartInfo.FileName = fullPath + "AutoUpdate\\AutoUpdate.exe";             p.StartInfo.UseShellExecute = true;             p.StartInfo.Arguments = param;//第一个参数为需要下载的压缩文件，第二个为需要启动的程序             p.Start();               //关闭当期             //Process[] p_arry = Process.GetProcesses();//得到系统所有进程             //for (int i = 0; i < p_arry.Length; i++)//遍历每个进程             //{             //    if (p_arry[i].ProcessName == "AutoUpdateApp")//发现有名为QQ的进程             //    {             //        p_arry[i].Kill();//就结束它。             //        return;             //    }             //}                         KillProcessByName("AutoUpdateApp");             System.GC.Collect();//垃圾回收         }           /// <summary>         /// 关闭进程         /// </summary>         /// <param name="processName">进程名</param>         public void KillProcessByName(string processName)         {             try             {                 Process[] myproc = Process.GetProcesses();                 foreach (Process item in myproc)                 {                     if (item.ProcessName == processName)                     {                         item.CloseMainWindow();                         item.Kill();                     }                 }             }             catch { return; }         }       } }