json学习笔记(5)

            Regex rg = new Regex(p);
            jsonstring = rg.Replace(jsonstring, me);
            DataContractJsonSerializer zer = new DataContractJsonSerializer(typeof(T));
            MemoryStream ms=new MemoryStream(Encoding.UTF8.GetBytes(jsonstring));
            T obj = (T)zer.ReadObject(ms);
            return obj;
        }

        /// <summary>
        /// 将Json序列化的时间由/Date(1294499956278+0800)转为字符串
        /// </summary>
        /// <param name="m"></param>
        /// <returns></returns>
        private static string ConvertJsonDateToDateString(Match m)
        {
            string result = string.Empty;
            DateTime dt = new DateTime(1970,1,1);
            dt = dt.AddMilliseconds(long.Parse(m.Groups[1].Value));
            dt = dt.ToLocalTime();
            result = dt.ToString("yyyy-MM-dd HH:mm:ss");
            return result;
        }

        /// <summary>
        /// 将时间字符串转化成json时间
        /// </summary>
        /// <param name="m"></param>
        /// <returns></returns>
        private static string ConvertDateTimeToJsonDate(Match m)
        {
            string result = string.Empty;
            DateTime dt = DateTime.Parse(m.Groups[0].Value);
            dt = dt.ToUniversalTime();
            TimeSpan ts = dt - DateTime.Parse("1970-01-01");
            result = string.Format("\\/Date({0}+0800)\\/",ts.TotalMilliseconds);