Json序列反序列类型处理帮助类

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);
          }
  
  
        
      }
  }

   

Json序列反序列类型处理帮助类

原文：http://www.cnblogs.com/huhangfei/p/4997191.html