public string UpdateAppVersion(HttpContext context)
        {
            string statu = "{\"status\":0}";
            bool   flg   = false;
            int    type  = 0;
            bool   force = false;
            int    size  = 0;
            int    appid = 0;

            try
            {
                BCtrl_Common    bll    = new BCtrl_Common();
                AppUpdateEntity entity = new AppUpdateEntity();
                int.TryParse(context.Request.Form["apptype"].ToString(), out type);
                entity.AppType       = type;
                entity.Version       = context.Request.Form["version"];
                entity.UpdateProfile = HttpUtility.UrlDecode(context.Request.Form["profile"], Encoding.UTF8);
                entity.DownloadUrl   = HttpUtility.UrlDecode(context.Request.Form["downurl"], Encoding.UTF8);
                bool.TryParse(context.Request.Form["forcedupdate"] == "1" ? "true" : "false", out force);
                entity.ForcedUpdate = force;
                int.TryParse(context.Request.Form["size"], out size);
                int.TryParse(context.Request.Form["appid"], out appid);
                entity.AppId   = appid;
                entity.AppSize = size;
                flg            = bll.UpdateAppVersion(entity);
                if (flg)
                {
                    statu = "{\"status\":1}";
                }
                else
                {
                    statu = "{\"status\":2}";  //修改失败
                }
            }
            catch (Exception e)
            {
                LogUtil.WriteLog(e);
                statu = "{\"status\":0}";  //数据传输错误
            }
            return(statu);
        }