Json互相序列化对象

using System.ServiceModel;
using System.ServiceModel.Web;
using System.Runtime.Serialization.Json;
using System.IO;namespace Common
{
public class JsonUtility
{
public static string getJsonByObject(Object obj)
{
//实例化DataContractJsonSerializer对象，需要待序列化的对象类型
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
//实例化一个内存流，用于存放序列化后的数据
MemoryStream stream = new MemoryStream();
//使用WriteObject序列化对象
serializer.WriteObject(stream, obj);
//写入内存流中
byte[] dataBytes = new byte[stream.Length];
stream.Position = 0;
stream.Read(dataBytes, 0, (int)stream.Length);
//通过UTF8格式转换为字符串
return Encoding.UTF8.GetString(dataBytes);
} public static Object getObjectByJson(string jsonString, Object obj)
{
//实例化DataContractJsonSerializer对象，需要待序列化的对象类型
DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());
//把Json传入内存流中保存
MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
// 使用ReadObject方法反序列化成对象
return serializer.ReadObject(stream);
} }