Json序列反序列类型处理帮助类。

• JSON反序列化
• JSON序列化
• 将Json序列化的时间由/Date(1294499956278+0800)转为字符串
• 将时间字符串转为Json时间

  using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using System.Text.RegularExpressions;
  using System.IO;
  using System.Runtime.Serialization.Json;
  using System.Web.Script.Serialization;namespace IM.Common
  {public class JsonArryHelper{/// <summary>/// JSON序列化/// </summary>public static string JsonSerializer<T>(T t){DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));MemoryStream ms = new MemoryStream();ser.WriteObject(ms, t);string jsonString = Encoding.UTF8.GetString(ms.ToArray());ms.Close();//替换Json的Date字符串string p = @"\\/Date\((\d+)\+\d+\)\\/";MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);Regex reg = new Regex(p);jsonString = reg.Replace(jsonString, matchEvaluator);return jsonString;}/// <summary>/// JSON反序列化/// </summary>/// <param name="json"></param>/// <typeparam name="T"></typeparam>/// <returns></returns>public static T Deserialize<T>(string json){var obj = Activator.CreateInstance<T>();using (var ms = new MemoryStream(Encoding.UTF8.GetBytes(json))){var serializer = new DataContractJsonSerializer(obj.GetType());return (T)serializer.ReadObject(ms);}}/// <summary>/// JSON反序列化/// </summary>public static T JsonDeserialize<T>(string jsonString){//将"yyyy-MM-dd HH:mm:ss"格式的字符串转为"\/Date(1294499956278+0800)\/"格式string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate);Regex reg = new Regex(p);jsonString = reg.Replace(jsonString, matchEvaluator);DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));T obj;try{obj = (T)ser.ReadObject(ms);}catch{obj = default(T);}return obj;}/// <summary>/// 将Json序列化的时间由/Date(1294499956278+0800)转为字符串/// </summary>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>/// 将时间字符串转为Json时间/// </summary>private static string ConvertDateStringToJsonDate(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);return result;}public static List<T> JSONStringToList<T>(string jsonStr){var serializer = new JavaScriptSerializer();var objs = serializer.Deserialize<List<T>>(jsonStr);return objs;}}
  }

  using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;
  using Newtonsoft.Json;
  using System.IO;
  using System.Web.Mvc;
  using System.Globalization;namespace IM.Common
  {/// <summary>/// 序列化操作类/// <para>创建作者：changjin</para>/// <para>创建日期：2010/10/25</para>/// </summary>public class JsonSerialize{/// <summary>/// 序列化对象/// <para>创建作者：changjin</para>/// <para>创建日期：2010/12/28</para>/// </summary>/// <param name="obj">序列化的对象</param>/// <returns>序列化后的json字符串</returns>public static String SerializeObject(Object obj){//StringWriter sw = new StringWriter(CultureInfo.InvariantCulture);//JsonSerializer jsonSerializer = new JsonSerializer();//jsonSerializer.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;//JsonWriter jsonWriter =//    jsonWriter.Formatting = Formatting.Indented;//    jsonSerializer.Serialize(jsonWriter, obj);//return sw.ToString();return JsonConvert.SerializeObject(obj);}public static String SerializeObject1(Object obj){//StringWriter sw = new StringWriter(CultureInfo.InvariantCulture);//JsonSerializer jsonSerializer = new JsonSerializer();//jsonSerializer.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;//JsonWriter jsonWriter =//    jsonWriter.Formatting = Formatting.Indented;//    jsonSerializer.Serialize(jsonWriter, obj);//return sw.ToString();return JsonConvert.SerializeObject(obj, Formatting.Indented);}/// <summary>/// 对象反序列化/// <para>创建作者：changjin</para>/// <para>创建日期：2010/12/28</para>/// </summary>/// <param name="jsonString">json对象字符串</param>/// <param name="type">反序列化对象类型</param>/// <returns>反序列化后的对象</returns>public static Object DeserializeObject(String jsonString, Type type){return JsonConvert.DeserializeObject(jsonString, type.GetType());}/// <summary>/// 对象反序列化/// <para>创建作者：changjin</para>/// <para>创建日期：2010/12/28</para>/// </summary>/// <param name="jsonString">json对象字符串</param>/// <param name="type">反序列化对象类型</param>/// <returns>反序列化后的对象</returns>public static T DeserializeObject<T>(String jsonString){return JsonConvert.DeserializeObject<T>(jsonString);}}
  }