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【CSharp】 json类泛型转化

作者:剑南 / 发布于2014/10/13/ 590


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

	namespace JsonHelper
	{
	 public class JsonClass
	 {

	 /// <summary>
	 /// Json序列化
	 /// </summary>
	 /// <typeparam name="T">对象类型</typeparam>
	 /// <param name="t">序列化对象</param>
	 /// <returns></returns>
	 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();
	 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>
	 /// <typeparam name="T">对象类型</typeparam>
	 /// <param name="jsonString">反序列化json字符串</param>
	 /// <returns></returns>
	 public static T JsonDeserialize<T>(string jsonString)
	 {

	 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 = (T)ser.ReadObject(ms);

	 return obj;

	 }

	 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;

	 }

	

	
	 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;

	 }

	 }

	
	}

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　json类　　泛型　

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