Initial commit

Helper/zipHelper.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Web;
+
+namespace QW2021C.Helper
+{
+    public class zipHelper
+    {
+        public void Decompress(FileInfo fileToDecompress)
+        {
+            using (FileStream originalFileStream = fileToDecompress.OpenRead())
+            {
+                string currentFileName = fileToDecompress.FullName;
+                string newFileName = currentFileName.Remove(currentFileName.Length - fileToDecompress.Extension.Length);
+
+                using (FileStream decompressedFileStream = File.Create(newFileName))
+                {
+                    using (GZipStream decompressionStream = new GZipStream(originalFileStream, CompressionMode.Decompress))
+                    {
+                        decompressionStream.CopyTo(decompressedFileStream);
+                        Console.WriteLine("Decompressed: {0}", fileToDecompress.Name);
+                    }
+                }
+            }
+        }
+    }
+}