IMEX.mes.wcf/DK.Basics/Library/JsonHelper.cs

/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：JsonHelper.cs
 *      2.功能描述：Json转换处理。
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      陈晓野          2014/09/16          1.00            新建
 *******************************************************************************/

using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;

namespace Dongke.IBOSS.PRD.Basics.Library
{
    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();
            _jsonSettings.MissingMemberHandling = Newtonsoft.Json.MissingMemberHandling.Ignore;
            //_jsonSettings.NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore;
            _jsonSettings.ReferenceLoopHandling = Newtonsoft.Json.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)
            {
                throw ex;
            }
        }

        /// <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)
            {
                throw ex;
            }
        }
    }
}