C#中String类型与json之间相互转换的实现方法

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Text;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Json;

namespace CrjIIOfflineAccept.CrjIITools

{

  public class JsonTools

  {

    // 从一个对象信息生成Json串

    public static string ObjectToJson(object obj)

    {

      DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());

      MemoryStream stream = new MemoryStream();

      serializer.WriteObject(stream, obj);

      byte[] dataBytes = new byte[stream.Length];

      stream.Position = 0;

      stream.Read(dataBytes, 0, (int)stream.Length);

      return Encoding.UTF8.GetString(dataBytes);

    }

    // 从一个Json串生成对象信息

    public static object JsonToObject(string jsonString, object obj)

    {

      DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());

      MemoryStream mStream = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));

      return serializer.ReadObject(mStream);

    }

  }

}