C#中JSON序列化和反序列化

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Runtime.Serialization;using System.Runtime.Serialization.Json;using System.IO;using System.Text.RegularExPRessions;using System.Web.Script.Serialization;namespace HelpClass.TypeHelp{    /// <summary>    /// 在VS中需要添加引用System.Web.Script.Serialization的时候，请先引用System.Web.Extensions    /// </summary>    public class JsonHelp    {        /// <summary>        /// json序列化（非二进制方式）        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="t"></param>        /// <returns></returns>        public static string JsonSerializer<T>(T t)        {            javaScriptSerializer jsonSerialize = new JavascriptSerializer();            return jsonSerialize.Serialize(t);        }        /// <summary>        /// json反序列化（非二进制方式）        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="jsonString"></param>        /// <returns></returns>        public static T JsonDeserialize<T>(string jsonString)        {            JavaScriptSerializer jsonSerialize = new JavaScriptSerializer();            return (T)jsonSerialize.Deserialize<T>(jsonString);        }        /// <summary>        /// JSON序列化(二进制方式，实体类使用[Serializable])        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="t"></param>        /// <returns></returns>        public static string JsonSerializerIO<T>(T t)        {            DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));            using (MemoryStream ms = new MemoryStream())            {                ser.WriteObject(ms, t);                string jsonString = Encoding.UTF8.GetString(ms.ToArray());                ms.Close();                return jsonString;            }                  }        /// <summary>        /// JSON反序列化(二进制方法，实体类使用[Serializable])        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="jsonString"></param>        /// <returns></returns>        public static T JsonDeserializeIO<T>(string jsonString)        {            DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));            using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString)))            {                T obj = (T)ser.ReadObject(ms);                return obj;            }        }    }}

public class ddd{        public string d1 { get; set; }        public string d2 { get; set; }        public string d3 { get; set; }}

ddd a = new ddd { d1 = "1", d2 = "2", d3 = "3" };string stra = HelpClass.TypeHelp.JsonHelp.JsonSerializer<ddd>(a);ddd dd2 = HelpClass.TypeHelp.JsonHelp.JsonDeserialize<ddd>(stra);序列化类序列为json数组:ddd a = new ddd { d1 = "1", d2 = "2", d3 = "3" };ddd b = new ddd { d1 = "11", d2 = "12", d3 = "13" };ddd c = new ddd { d1 = "21", d2 = "22", d3 = "23" };List<ddd> abc = new List<ddd>();abc.Add(a);abc.Add(b);abc.Add(c);string strabc = HelpClass.TypeHelp.JsonHelp.JsonSerializer<List<ddd>>(abc);List<ddd> ddabc =HelpClass.TypeHelp.JsonHelp.JsonDeserialize<List<ddd>>(strabc);

[DataContract]public class ddd{            [DataMember(Name = "d1")]            public string d1 { get; set; }            [DataMember(Name = "d2")]            public string d2 { get; set; }            [DataMember(Name = "d3")]            public string d3 { get; set; } }

ddd a = new ddd { d1 = "1", d2 = "2", d3 = "3" };string stra = HelpClass.TypeHelp.JsonHelp.JsonSerializer<ddd>(a);ddd dd2 = HelpClass.TypeHelp.JsonHelp.JsonDeserialize<ddd>(stra);序列化类序列为json数组:ddd a = new ddd { d1 = "1", d2 = "2", d3 = "3" };ddd b = new ddd { d1 = "11", d2 = "12", d3 = "13" };ddd c = new ddd { d1 = "21", d2 = "22", d3 = "23" };List<ddd> abc = new List<ddd>();abc.Add(a);abc.Add(b);abc.Add(c);string strabc = HelpClass.TypeHelp.JsonHelp.JsonSerializer<List<ddd>>(abc);List<ddd> ddabc =HelpClass.TypeHelp.JsonHelp.JsonDeserialize<List<ddd>>(strabc);