using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using Newtonsoft.Json;

namespace Ant.ORM
{
   public  class JsonToMod
    {
        /// <summary>
        /// 实体转为Json格式
        /// </summary>
        /// <param name="entity">实体</param>
        /// <returns></returns>
        public static string ToJson(object entity)
        {
            var serializer = new System.Runtime.Serialization.Json.DataContractJsonSerializer(entity.GetType());
            using (var ms = new MemoryStream())
            {
                serializer.WriteObject(ms, entity);
                var sb = new StringBuilder();
                sb.Append(Encoding.UTF8.GetString(ms.ToArray()));
                return sb.ToString();
            }
        }
        /// <summary>
        /// Json格式转成实体
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="jsonstr"></param>
        /// <returns></returns>
        public static object ToObject<T>(string jsonstr) where T : new()
        {
            T obj = new T();
            var json = new System.Runtime.Serialization.Json.DataContractJsonSerializer(typeof(T));
            using (MemoryStream stream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(jsonstr)))
            {
                T mod = (T)json.ReadObject(stream);
            }
            return obj;
        }


    }
}