C#实现的json序列化和反序列化代码实例

using System;using System.Collections.Generic;using System.Web.Script.Serialization;using System.Configuration;using System.Runtime.Serialization.Json;using System.Runtime.Serialization;using System.IO;using System.Text;namespace WebApplication1{  //方法一：引入System.Web.Script.Serialization命名空间使用 JavaScriptSerializer类实现简单的序列化  [Serializable]  public class Person  {        private int id;    /// <summary>    /// id    /// </summary>    public int Id    {      get { return id; }      set { id = value; }    }    private string name;    /// <summary>    /// 姓名    /// </summary>    public string Name    {      get { return name; }      set { name = value; }    }  }  //方法二：引入 System.Runtime.Serialization.Json命名空间使用 DataContractJsonSerializer类实现序列化  //可以使用IgnoreDataMember:指定该成员不是数据协定的一部分且没有进行序列化，DataMember:定义序列化属性参数，使用DataMember属性标记字段必须使用DataContract标记类 否则DataMember标记不起作用。  [DataContract]  public class Person1  {        [IgnoreDataMember]    public int Id { get; set; }    [DataMember(Name = "name")]    public string Name { get; set; }    [DataMember(Name = "sex")]    public string Sex { get; set; }  }  public partial class _Default : System.Web.UI.Page  {    string constr = ConfigurationManager.ConnectionStrings["connstr"].ConnectionString;        protected void Page_Load(object sender, EventArgs e)    {            Person p1 = new Person();      p1.Id = 1;      p1.Name = "dxw";      Person p2 = new Person();      p2.Id = 2;      p2.Name = "wn";      List<Person> listperson = new List<Person>();      listperson.Add(p1);      listperson.Add(p2);      JavaScriptSerializer js = new JavaScriptSerializer();      //json序列化      string s = js.Serialize(listperson);      Response.Write(s);      //方法二      Person1 p11 = new Person1();      p11.Id = 1;      p11.Name = "hello";      p11.Sex = "男";      DataContractJsonSerializer json = new DataContractJsonSerializer(p11.GetType());      string szJson = "";      //序列化      using (MemoryStream stream = new MemoryStream())      {        json.WriteObject(stream, p11);        szJson = Encoding.UTF8.GetString(stream.ToArray());        Response.Write(szJson);      }      //反序列化      //using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(szJson)))      //{      //  DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(People));      //  Person1 _people = (Person1)serializer.ReadObject(ms);      //}     }        protected void Button1_Click(object sender, EventArgs e)    {      Response.Write(constr);    }  }