#endregion
        #region 解壓縮檔案
        /// <summary>
        /// 解壓縮檔案
        /// </summary>
        /// <param name="GzipFile">壓縮包檔名</param>
        /// <param name="targetPath">解壓縮目標路徑</param>
        public static void Decompress(string GzipFile, string targetPath)
        {
            
 
string directoryName = Path.GetDirectoryName(targetPath + "//") + "//";
            //string directoryName = targetPath;
            if (!Directory.Exists(directoryName)) Directory.CreateDirectory(directoryName);//生成解壓目錄
            string CurrentDirectory = directoryName;
            byte[] data = new byte
 
[2048];
            int size = 2048;
            ZipEntry theEntry = null;
            using (ZipInputStream s = new ZipInputStream(File.OpenRead(GzipFile)))
            {
                while ((theEntry = s.GetNextEntry()) != null)
                {
                    if (theEntry.IsDirectory)
                    {
 
// 該結點是目錄
                        if (!Directory.Exists(CurrentDirectory + theEntry.Name)) Directory.CreateDirectory(CurrentDirectory + theEntry.Name);
                    }
                    else
                    {
                        if (theEntry.Name != String.Empty)
                        {
                            //  檢查多級目錄是否存在
                            if (theEntry.Name.Contains("//"))
                            {
                                string parentDirPath = theEntry.Name.Remove(theEntry.Name.LastIndexOf("//") + 1);
                                if (!Directory.Exists(parentDirPath))
                                {
                                    Directory.CreateDirectory(CurrentDirectory + parentDirPath);
                                }
                            }

                            //解壓檔案到指定的目錄
                            using (FileStream streamWriter = File.Create(CurrentDirectory + theEntry.Name))
                            {
                                while (true)
                                {
                                    size = s.Read(data, 0, data.Length);
                                    if (size <= 0) break;
                                    streamWriter.Write(data, 0, size);
                                }
                                streamWriter.Close();
                            }
                        }
                    }
                }
                s.Close();
            }
        }