解析GZIP压缩的网页

 class Program
    {
        static void Main(string[] args)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://wthrcdn.etouch.cn/weather_mini?city=%E9%83%91%E5%B7%9E");
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream ResStream = new System.IO.Compression.GZipStream(response.GetResponseStream(), System.IO.Compression.CompressionMode.Decompress);
            Encoding encoding = Encoding.GetEncoding("utf-8");
            StreamReader streamReader = new StreamReader(ResStream, encoding);
            string s = streamReader.ReadToEnd();
            Console.WriteLine(s);
            Console.ReadKey();
        }
    }