/// <summary>
        /// 转换坐标获取原响应字符内容
        /// </summary>
        /// <param name="queryParam">查询参数</param>
        /// <returns>转换的坐标原字符内容</returns>
        public string ConvertOriginalVal(CoordinateParam queryParam)
        {
            string getUrl = GaoDeConst.WebAPIHost + "/v3/assistant/coordinate/convert?{0}";
            string paras  = queryParam.GenerateParams();

            getUrl = string.Format(getUrl, paras);
            string queryResult = WebRequestHelper.HttpGet(getUrl);

            return(queryResult);
        }
        /// <summary>
        /// 转换坐标获取转换后结果
        /// </summary>
        /// <param name="queryParam"></param>
        /// <returns>转换的坐标结果</returns>
        public CoordinateResult ConvertVal(CoordinateParam queryParam)
        {
            queryParam.output = "JSON";
            string jsonResult = ConvertOriginalVal(queryParam);

            if (!string.IsNullOrWhiteSpace(jsonResult))
            {
                jsonResult = jsonResult.Replace("[]", "\"\"");
            }
            CoordinateResult queryResult = JsonConvert.DeserializeObject <CoordinateResult>(jsonResult);

            return(queryResult);
        }