JavaScriptSerializer 日期处理 JSON.Net

        [WebMethod(Description = "取得所有人员 自带json")]
        [SoapHeader("key")]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json, UseHttpGet = true)]
        public string GetRenYuanJSON1()
        {
            DuDao.Dal.dc_renyuan dal = new DuDao.Dal.dc_renyuan();
            JavaScriptSerializer json = new JavaScriptSerializer();
            string str = json.Serialize(dal.GetModelList("", "", null));
            str = Regex.Replace(str, @"\\/Date\((\d+)\)\\/", match =>
            {
                DateTime dt = new DateTime(1970, 1, 1);
                dt = dt.AddMilliseconds(long.Parse(match.Groups[1].Value));
                dt = dt.ToLocalTime();
                return dt.ToString("yyyy-MM-dd HH:mm:ss");
            });
             return str;           
        }

        //json.net 
        DuDao.Dal.dc_renyuan dal = new DuDao.Dal.dc_renyuan();
        var model = dal.GetModel(6);
        model.login_time = DateTime.Now;

        //model.login_time = DateTime.Parse(DateTime.Now.ToString());这样返回标准格式

        IsoDateTimeConverter dtConverter = new IsoDateTimeConverter { DateTimeFormat = "yyyy-MM-ddTHH:mm:ss" };//自定义时间格式

        return JsonConvert.SerializeObject(model,dtConverter);

       //JsonConvert.SerializeObject(model,new JavaScriptDateTimeConverter());// new Date(11111)

       //JsonConvert.SerializeObject(model);//默认时间格式 2016-06-27T14:42:59