/// <summary>

    /// 反参压缩（Gzip）

    /// </summary>

    public class GZipCompressionAttribute: ActionFilterAttribute

    {

        /// <summary>

        /// 反参压缩（Gzip）

        /// </summary>

        /// <param name="filterContext"></param>

        public override void OnActionExecuting(HttpActionContext filterContext)

        {

            HttpResponse Response = HttpContext.Current.Response;

            Response.Filter = new System.IO.Compression.GZipStream(Response.Filter,

                                              System.IO.Compression.CompressionMode.Compress);

            Response.AppendHeader("Content-Encoding", "gzip");

        }

    }