mstp_22_developr.mvc/Helper/JsonHelper.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization.Json;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;

namespace mstp_22_developr.mvc.Helper
{
    public class JsonHelper
    {
        public static string ObjToJson(object obj)
        {
            string result = "";
            try
            {
                //using System.Runtime.Serialization.Json;
                DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
                using (MemoryStream ms = new MemoryStream())
                {
                    serializer.WriteObject(ms, obj);
                    byte[] json = ms.ToArray();
                    result = Encoding.UTF8.GetString(json, 0, json.Length);
                    string p = @"\\/Date\((\d+)\+\d+\)\\/";
                    MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);
                    Regex reg = new Regex(p);
                    result = reg.Replace(result, matchEvaluator);
                }
            }
            catch
            {
                return result;
            }
            return result;
        }
        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>
        /// Json反序列化
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="dataString"></param>
        /// <returns></returns>
        public static T JsonToObject<T>(string dataString)
        {

            T obj = default(T);
            try
            {
                if (!string.IsNullOrEmpty(dataString))
                {