c#对象和json字符串转换

using System;
using System.Runtime.Serialization.Json;
using System.IO;
using System.Text;

namespace WinFormsApp1
{
    static class Program
    {
        static void Main()
        {
            Car c = new Car();
            c.id = 345;
            c.name = "baoma";

            Person p = new Person();
            p.id = 1;
            p.name = "wang";
            p.car = c;

            string ps = ObjectToJSON(p);
            System.Diagnostics.Trace.WriteLine(ps);

            Person p2 = JsonToObject<Person>(ps);
            System.Diagnostics.Trace.WriteLine(p2.name);
        }

        //json字符串转对象
        public static T JsonToObject<T>(string jsonText)
        {
            DataContractJsonSerializer s = new DataContractJsonSerializer(typeof(T));
            MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonText));
            T obj = (T)s.ReadObject(ms);
            ms.Dispose();
            return obj;
        }
        //对象转json字符串
        public static string ObjectToJSON<T>(T obj)
        {
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
            string result = string.Empty;
            using (MemoryStream ms = new MemoryStream())
            {
                serializer.WriteObject(ms, obj);
                ms.Position = 0;
                using (StreamReader read = new StreamReader(ms))
                {
                    result = read.ReadToEnd();
                }
            }
            return result;
        }
    }

    public class Person{
        public int id;
        public string name;
        public int[] a = new int[10];
        public Car car;
    }

    public class Car {
        public int id;
        public string name;
        public Boolean[] b =new Boolean[10];
    }
   
}