Simple Thoughts on Everything

#region file相關方法
     public class file
     {
         #region 壓縮資料夾
         /// <summary>
         /// Compression of the directory
         /// </summary>
         /// <param name="source">ex:~/test</param>
         /// <param name="target">ex:~/test.zip</param>
         public void zipDirectory(string source, string target)
         {
             bool err = false;
             string msg = string.Empty;
             string sourcePath = HttpContext.Current.Server.MapPath(source);
             string targetPath = HttpContext.Current.Server.MapPath(target);
             if (new DirectoryInfo(sourcePath).Exists)
             {
                 msg = string.Format("{0}資料夾位子錯誤", source);
                 err = true;
             }

             if (!err)
             {
                 //開始壓縮
                 new FastZip().CreateZip(targetPath, sourcePath, true, "");
             }
             else
             {
                 throw new Exception(msg);
             }
         }
         #endregion

         #region 壓縮檔案
         /// <summary>
         /// Compression of the file
         /// 檔名加入時間戳記
         /// </summary>
         /// <param name="source">ex:~/test.txt</param>
         public void zipFile(string source)
         {
             string sourcePath = HttpContext.Current.Server.MapPath(source);

             //加入時間戳記
             string targetPath = string.Format(@"{0}\{1}{2:yyyyMMdd}.zip", Path.GetDirectoryName(sourcePath),
                 Path.GetFileNameWithoutExtension(sourcePath), DateTime.Now);
             string target = source.Replace(Path.GetFileName(sourcePath), Path.GetFileName(targetPath));
             zipFile(source, target);
         }
         /// <summary>
         /// Compression of the file
         /// </summary>
         /// <param name="source">ex:~/test.txt</param>
         /// <param name="target">ex:~/test.zip</param>
         public void zipFile(string source, string target)
         {
             bool err = false;
             string msg = string.Empty;
             string sourcePath = HttpContext.Current.Server.MapPath(source);
             string targetPath = HttpContext.Current.Server.MapPath(target);
             if (!new FileInfo(sourcePath).Exists)
             {
                 msg = string.Format("{0}檔案位子錯誤", source);
                 err = true;
             }

             if (!err)
             {
                 //開始壓縮
                 using (ZipOutputStream zo = new ZipOutputStream(File.Create(targetPath)))
                 {
                     zo.SetLevel(9);
                     using (FileStream fs = File.OpenRead(sourcePath))
                     {
                         byte[] buffer = new byte[fs.Length];
                         fs.Read(buffer, 0, buffer.Length);
                         ZipEntry Entry = new ZipEntry(Path.GetFileName(sourcePath));
                         //Entry.ForceZip64();//檔案大於4G時使用
                         Entry.DateTime = DateTime.Now;
                         Entry.Size = fs.Length;
                         fs.Close();
                         zo.PutNextEntry(Entry);
                         zo.Write(buffer, 0, buffer.Length);
                         zo.Finish();
                         zo.Close();
                     }
                 }
             }
             else
             {
                 throw new Exception(msg);
             }
         }
         #endregion

         #region 解壓縮檔案
         /// <summary>
         /// Decompression of the file
         /// </summary>
         /// <param name="source">ex:~/test.zip</param>
         /// <param name="targer">ex:~/test</param>
         public void unZip(string source, string target)
         {
             bool err = false;
             string msg = string.Empty;
             string sourcePath = HttpContext.Current.Server.MapPath(source);
             string targetPath = HttpContext.Current.Server.MapPath(target);
             if (!new FileInfo(sourcePath).Exists)
             {
                 msg = string.Format("{0}檔案位子錯誤", source);
                 err = true;
             }

             if (!err)
             {
                 //開始解壓縮
                 new ICSharpCode.SharpZipLib.Zip.FastZip().ExtractZip(sourcePath, targetPath, "");
             }
             else
             {
                 throw new Exception(msg);
             }
         }
         #endregion
     }
     #endregion