/// <summary>
    /// Zip操作基于 DotNetZip 的封裝
    /// </summary>
    public static class ZipUtils
    {
        /// <summary>
        /// 得到指定的輸入流的ZIP壓縮流對象【原有流對象不會改變】
        /// </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>
        /// 得到指定的字節(jié)數(shù)組的ZIP解壓流對象
        /// 當(dāng)前方法僅適用于只有一個壓縮文件的壓縮包，即方法內(nèi)只取壓縮包中的第一個壓縮文件
        /// </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方法中會操作ms，后續(xù)使用時必須先將Stream位置歸零，否則會導(dǎo)致后續(xù)讀取不到任何數(shù)據(jù)
                            // 返回該Stream對象之前進(jìn)行一次位置歸零動作
                            decompressedStream.Position = 0;
                        }
                    }
                }
                catch
                {
                }
            }
            return decompressedStream;
        }

        /// <summary>
        /// 壓縮ZIP文件
        /// 支持多文件和多目錄，或是多文件和多目錄一起壓縮
        /// </summary>
        /// <param name="list">待壓縮的文件或目錄集合</param>
        /// <param name="strZipName">壓縮后的文件名</param>
        /// <param name="IsDirStruct">是否按目錄結(jié)構(gòu)壓縮</param>
        /// <returns>成功：true/失?。篺alse</returns>
        public static bool CompressMulti(List<string> list, string strZipName, bool IsDirStruct)
        {
            try
            {
                using (ZipFile zip = new ZipFile(Encoding.Default))//設(shè)置編碼，解決壓縮文件時中文亂碼
                {
                    foreach (string path in list)
                    {
                        string fileName = Path.GetFileName(path);//取目錄名稱
                        //如果是目錄
                        if (Directory.Exists(path))
                        {
                            if (IsDirStruct)//按目錄結(jié)構(gòu)壓縮
                            {
                                zip.AddDirectory(path, fileName);
                            }
                            else//目錄下的文件都壓縮到Zip的根目錄
                            {
                                zip.AddDirectory(path);
                            }
                        }
                        if (File.Exists(path))//如果是文件
                        {
                            zip.AddFile(path);
                        }
                    }
                    zip.Save(strZipName);//壓縮
                    return true;
                }
            }
            catch (Exception)
            {
                return false;
            }
        }

        /// <summary>
        /// 解壓ZIP文件
        /// </summary>
        /// <param name="strZipPath">待解壓的ZIP文件</param>
        /// <param name="strUnZipPath">解壓的目錄</param>
        /// <param name="overWrite">是否覆蓋</param>
        /// <returns>成功：true/失?。篺alse</returns>
        public static bool Decompression(string strZipPath, string strUnZipPath, bool overWrite)
        {
            try
            {
                ReadOptions options = new ReadOptions();
                options.Encoding = Encoding.Default;//設(shè)置編碼，解決解壓文件時中文亂碼
                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);//解壓文件，如果已存在就覆蓋
                        }
                        else
                        {
                            entry.Extract(strUnZipPath, ExtractExistingFileAction.DoNotOverwrite);//解壓文件，如果已存在不覆蓋
                        }
                    }
                    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);