/// <summary>     /// Zip操作基于 DotNetZip 的封装     /// </summary>     public static class ZipUtils     {         /// <summary>         /// 得到指定的输入流的ZIP压缩流对象【原有流对象不会改变】         /// </summary>         /// <param name="sourceStream"></param>         /// <returns></returns>         public static Stream ZipCompress(Stream sourceStream, string entryName = "zip")         {             MemoryStream compressedStream = new MemoryStream();             if (sourceStream != null)             {                 long sourceOldPosition = 0;                 try                 {                     sourceOldPosition = sourceStream.Position;                     sourceStream.Position = 0;                     using (ZipFile zip = new ZipFile())                     {                         zip.AddEntry(entryName, sourceStream);                         zip.Save(compressedStream);                         compressedStream.Position = 0;                     }                 }                 catch                 {                 }                 finally                 {                     try                     {                         sourceStream.Position = sourceOldPosition;                     }                     catch                     {                     }                 }             }             return compressedStream;         }         /// <summary>         /// 得到指定的字节数组的ZIP解压流对象         /// 当前方法仅适用于只有一个压缩文件的压缩包，即方法内只取压缩包中的第一个压缩文件         /// </summary>         /// <param name="sourceStream"></param>         /// <returns></returns>         public static Stream ZipDecompress(byte[] data)         {             Stream decompressedStream = new MemoryStream();             if (data != null)             {                 try                 {                     MemoryStream dataStream = new MemoryStream(data);                     using (ZipFile zip = ZipFile.Read(dataStream))                     {                         if (zip.Entries.Count > 0)                         {                             zip.Entries.First().Extract(decompressedStream);                             // Extract方法中会操作ms，后续使用时必须先将Stream位置归零，否则会导致后续读取不到任何数据                             // 返回该Stream对象之前进行一次位置归零动作                             decompressedStream.Position = 0;                         }                     }                 }                 catch                 {                 }             }             return decompressedStream;         }         /// <summary>         /// 压缩ZIP文件         /// 支持多文件和多目录，或是多文件和多目录一起压缩         /// </summary>         /// <param name="list">待压缩的文件或目录集合</param>         /// <param name="strZipName">压缩后的文件名</param>         /// <param name="IsDirStruct">是否按目录结构压缩</param>         /// <returns>成功：true/失败：false</returns>         public static bool CompressMulti(List<string> list, string strZipName, bool IsDirStruct)         {             try             {                 using (ZipFile zip = new ZipFile(Encoding.Default))//设置编码，解决压缩文件时中文乱码                 {                     foreach (string path in list)                     {                         string fileName = Path.GetFileName(path);//取目录名称                         //如果是目录                         if (Directory.Exists(path))                         {                             if (IsDirStruct)//按目录结构压缩                             {                                 zip.AddDirectory(path, fileName);                             }                             else//目录下的文件都压缩到Zip的根目录                             {                                 zip.AddDirectory(path);                             }                         }                         if (File.Exists(path))//如果是文件                         {                             zip.AddFile(path);                         }                     }                     zip.Save(strZipName);//压缩                     return true;                 }             }             catch (Exception)             {                 return false;             }         }         /// <summary>         /// 解压ZIP文件         /// </summary>         /// <param name="strZipPath">待解压的ZIP文件</param>         /// <param name="strUnZipPath">解压的目录</param>         /// <param name="overWrite">是否覆盖</param>         /// <returns>成功：true/失败：false</returns>         public static bool Decompression(string strZipPath, string strUnZipPath, bool overWrite)         {             try             {                 ReadOptions options = new ReadOptions();                 options.Encoding = Encoding.Default;//设置编码，解决解压文件时中文乱码                 using (ZipFile zip = ZipFile.Read(strZipPath, options))                 {                     foreach (ZipEntry entry in zip)                     {                         if (string.IsNullOrEmpty(strUnZipPath))                         {                             strUnZipPath = strZipPath.Split('.').First();                         }                         if (overWrite)                         {                             entry.Extract(strUnZipPath, ExtractExistingFileAction.OverwriteSilently);//解压文件，如果已存在就覆盖                         }                         else                         {                             entry.Extract(strUnZipPath, ExtractExistingFileAction.DoNotOverwrite);//解压文件，如果已存在不覆盖                         }                     }                     return true;                 }             }             catch (Exception)             {                 return false;             }         }     }

List<string> list = new List<string>();   list.Add(@"D:\Test\ss");   list.Add(@"D:\Test\test1.jpg");   list.Add(@"D:\公司文件.txt");   list.Add(@"D:\Test\ss.xml");   bool isSuc =ZipUtils. CompressMulti(list, "D:\\Test2.zip",true);

bool isSuc = ZipUtils.Decompression("D:\\Test\\Test1.zip", "D:\\Teest", true);