public static async Task <string> GetHouseAsync(string cityPinYin, string pageNum, string pageSize) { try { string url = string.Format("property/search?cityPinYin={0}&pageNum={1}&pageSize={2}", cityPinYin, pageNum, pageSize); var requestPost = new RestRequest(url, Method.POST); JObject jObject = new JObject { { "searchParam", "{}" }, }; requestPost.AddParameter("application/json; charset=utf-8", jObject.ToString(), ParameterType.RequestBody); requestPost.RequestFormat = DataFormat.Json; string content = await RestSharpHelper <string> .PostFormAsyncWithoutDeserialization("http://47.108.202.57:8090/", requestPost); return(content); } catch (Exception) { throw; } }