/// <summary>
        /// 将对象序列化为json数据
        /// </summary>
        private string GetToJson(object dic)
        {
            //实例化JavaScriptSerializer类的新实例
            JavaScriptSerializer jss = new JavaScriptSerializer();
            try
            {
                //将对象序列化为json数据
                return jss.Serialize(dic);
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }

        }