.NET中Json序列化反序列化操作辅助类——基于Json.NET

/// <summary>
    /// Json操作辅助类
    /// </summary>
    public static class JsonHelper
    {
        private static JsonSerializerSettings _jsonSettings;

        static JsonHelper()
        {
            IsoDateTimeConverter datetimeConverter = new IsoDateTimeConverter();
            datetimeConverter.DateTimeFormat = "yyyy-MM-dd HH:mm:ss";

            _jsonSettings = new JsonSerializerSettings()
            {
                MissingMemberHandling = MissingMemberHandling.Ignore,
                NullValueHandling = NullValueHandling.Ignore,
                ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
            };
            _jsonSettings.Converters.Add(datetimeConverter);

        }

        /// <summary>
        /// 将指定的对象序列化成 JSON 数据。
        /// </summary>
        /// <param name="obj">要序列化的对象。</param>
        /// <returns></returns>
        public static string ToJson(object obj)
        {
            try
            {
                if (null == obj)
                    return null;

                return JsonConvert.SerializeObject(obj, Formatting.None, _jsonSettings);
            }
            catch (Exception ex)
            {
                return null;
            }
        }

        /// <summary>
        /// 将指定的 JSON 数据反序列化成指定对象。
        /// </summary>
        /// <typeparam name="T">对象类型。</typeparam>
        /// <param name="json">JSON 数据。</param>
        /// <returns></returns>
        public static T FromJson<T>(string json)
        {
            try
            {
                return JsonConvert.DeserializeObject<T>(json, _jsonSettings);
            }
            catch (Exception ex)
            {
                return default(T);
            }
        }
    }