C#创建超过260字符的文件夹并生成ZIP压缩包

1. 添加NuGet程序包
   AlphaFS
   ICsharpCode.SharpZipLib.dll
   
2. Code
   

   using System;
   using System.Collections.Generic;
   using Alphaleonis.Win32.Filesystem;
   using ICSharpCode.SharpZipLib.Checksum;
   using ICSharpCode.SharpZipLib.Zip;
   
   namespace ConsoleApp1
   {
        class Program
       {
           
           static void Main(string[] args)
           {
               try
               {
                   string baseName = "测试";
                   string path = @"C:\";
                   int i = 0;
                   while (path.Length < 350)
                   {
                       path += string.Format(@"\{0}", baseName + i.ToString().PadLeft(4, '0'));
                       i++;
                   }
                   if (!Directory.Exists(path))
                   {
                       Directory.CreateDirectory(path);
                   }
   
                   path += "\\testa.txt";
                   if (!File.Exists(path))
                   {
                       File.AppendAllText(path, "this is test file");
                   }
                   ZipDirectory("C:\\测试0000", "C:\\", "123", false);
               }
               catch (Exception exp)
               {
                   Console.WriteLine(exp.ToString());
                   Console.ReadLine();
               }
           }
   
   
   
           /// <summary>
           /// ZIP：压缩文件夹
           /// </summary>
           /// <param name="DirectoryToZip">需要压缩的文件夹（绝对路径）</param>
           /// <param name="ZipedPath">压缩后的文件路径（绝对路径）</param>
           /// <param name="ZipedFileName">压缩后的文件名称（文件名，默认 同源文件夹同名）</param>
           /// <param name="IsEncrypt">是否加密（默认 加密）</param>
           public static void ZipDirectory(string DirectoryToZip, string ZipedPath, string ZipedFileName = "", bool IsEncrypt = true)
           {
               //如果目录不存在，则报错
               if (!System.IO.Directory.Exists(DirectoryToZip))
               {
                   throw new System.IO.FileNotFoundException("指定的目录: " + DirectoryToZip + " 不存在!");
               }
   
               //文件名称（默认同源文件名称相同）
               string ZipFileName = string.IsNullOrEmpty(ZipedFileName) ? ZipedPath + "\\" + new DirectoryInfo(DirectoryToZip).Name + ".zip" : ZipedPath + "\\" + ZipedFileName + ".zip";
   
               using (System.IO.FileStream ZipFile = System.IO.File.Create(ZipFileName))
               {
                   using (ZipOutputStream s = new ZipOutputStream(ZipFile))
                   {
                       if (IsEncrypt)
                       {
                           //压缩文件加密
                           s.Password = "123";
                       }
                       ZipSetp(DirectoryToZip, s, "");
                   }
               }
           }
   
           /// <summary>
           /// 递归遍历目录
           /// </summary>
           private static void ZipSetp(string strDirectory, ZipOutputStream s, string parentPath)
           {
               if (strDirectory[strDirectory.Length - 1] != Path.DirectorySeparatorChar)
               {
                   strDirectory += Path.DirectorySeparatorChar;
               }
               Crc32 crc = new Crc32();
   
               string[] filenames = Directory.GetFileSystemEntries(strDirectory);
   
               foreach (string file in filenames)// 遍历所有的文件和目录
               {
   
                   if (Directory.Exists(file))// 先当作目录处理如果存在这个目录就递归Copy该目录下面的文件
                   {
                       string pPath = parentPath;
                       pPath += file.Substring(file.LastIndexOf("\\") + 1);
                       pPath += "\\";
                       ZipSetp(file, s, pPath);
                   }
   
                   else // 否则直接压缩文件
                   {
                       //打开压缩文件
                       using (System.IO.FileStream fs = File.OpenRead(file))
                       {
   
                           byte[] buffer = new byte[fs.Length];
                           fs.Read(buffer, 0, buffer.Length);
   
                           string fileName = parentPath + file.Substring(file.LastIndexOf("\\") + 1);
                           ZipEntry entry = new ZipEntry(fileName);
   
                           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);
                       }
                   }
               }
           }
   
       }
   }