C# post请求，Json转换实体类

 public GetFloorBuildingResult GetFloorBuilding([FromBody]GetFloorBuildingModels model)
        {
            string dd = model.Fatherid;
            string serviceAddress = "http://public.data.test.facehm.cn/api/PropertyData/GetFloorBuilding";
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(serviceAddress);

            request.Method = "POST";
            request.ContentType = "application/json";
            string strContent = @"{ ""Fatherid"": " + "'" + dd + "'" + "}";
            using (StreamWriter dataStream = new StreamWriter(request.GetRequestStream()))
            {
                dataStream.Write(strContent);
                dataStream.Close();
            }
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            string encoding = response.ContentEncoding;
            if (encoding == null || encoding.Length < 1)
            {
                encoding = "UTF-8"; //默认编码  
            }
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding(encoding));
            string retString = reader.ReadToEnd();
            //JObject jo = JObject.Parse(retString);
            //解析josn
            GetFloorBuildingResult jo1 = JsonConvert.DeserializeObject<GetFloorBuildingResult>(retString);
            return jo1;
        }