C# implements json serialization and deserialization example code

When doing http communication between asp.net and unity, when the unity client issues a form request, I need to return the data he wants to request to the client in json format for the client to parse. The server side involves the serialization and deserialization of json.

There are examples of both methods. The first is to use a generic collection to store objects, and then serialize the collection; the second is to directly serialize an object

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);
        }

    }

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