采集网页时gzip乱码的解决办法

public class GZipWebClient : WebClient
10	    {
11	        protected override WebRequest GetWebRequest(Uri address)
12	        {
13	            HttpWebRequest request = (HttpWebRequest)base.GetWebRequest(address);
14	            request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
15	            return request;
16	        }
17	    }