Windows Live Writer 测试2

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

namespace JsonDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            Book b = new Book { BookName = "三国演义", Author = "罗贯中", Category = "四大名著", Page = 1000 };
            Book b1 = new Book { BookName = "水浒传", Author = "施耐庵", Category = "四大名著", Page = 1000 };
            b.SameCategory.Add(b1);
            string json = b.ToJsonString();
            Console.WriteLine(json);
            Book b2 = Book.CreateObjectByJson<Book>(json);
            Console.ReadLine();
        }
    }

    [DataContract(Namespace = "JsonDemo")]
    class BaseClass
    {
        public virtual string ToJsonString()
        {
            DataContractJsonSerializer ser = new DataContractJsonSerializer(this.GetType());
            using (Stream stream = new MemoryStream())
            {
                ser.WriteObject(stream, this);
                byte[] buffer = new byte[stream.Length];
                stream.Position = 0;
                stream.Read(buffer, 0, buffer.Length);
                string json = Encoding.UTF8.GetString(buffer);
                return json;
            }
        }

        public static T CreateObjectByJson<T>(string json) where T : BaseClass
        {
            DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
            using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(json)))
            {
                T obj = ser.ReadObject(stream) as T;
                return obj;
            }
        }
    }
    //
    [DataContract(Namespace = "JsonDemo.Book")]
    class Book : BaseClass
    {
        [DataMember(Order = 0)]
        public string BookName { get; set; }

        [DataMember(Order = 1)]
        public int Page { get; set; }

        [DataMember(Order = 2)]
        public string Category { get; set; }

        [DataMember(Order = 3)]
        public string Author { get; set; }

        List<Book> _sameCategory;

        [DataMember(Order = 4)]
        public List<Book> SameCategory
        {
            get
            {
                if (_sameCategory == null)
                {
                    _sameCategory = new List<Book>();
                }
                return _sameCategory;
            }
        }
    }

}