asp.net json Serialization

1.必须应用System.serviceModel.Web;

2.应用System.Runtime.Serialization.Json;System.Runtime.Serialization;

3.coding

        /// <summary>
        /// 序列化
        /// </summary>
        /// <typeparam name="Entity"></typeparam>
        /// <param name="entity"></param>
        /// <returns></returns>
        public static string SerializeObject<Entity>(Entity entity)
        {

            DataContractJsonSerializer serializer = new DataContractJsonSerializer(entity.GetType());
            using (MemoryStream ms = new MemoryStream())
            {
                serializer.WriteObject(ms, entity);
                StringBuilder sb = new StringBuilder();
                sb.Append(Encoding.UTF8.GetString(ms.ToArray()));
                ms.Close();
                return sb.ToString();
            }
        }

        public static string SerializeObject<Entity>(IList<Entity> entityList)
        {
            DataContractJsonSerializer serializer = new DataContractJsonSerializer(entityList.GetType());
            using (MemoryStream ms = new MemoryStream())
            {
                serializer.WriteObject(ms, entityList);
                StringBuilder sb = new StringBuilder();
                sb.Append(Encoding.UTF8.GetString(ms.ToArray()));
                ms.Close();
                return sb.ToString();
            }
        }

        /// <summary>
        /// 反序列化
        /// </summary>
        /// <typeparam name="Entity"></typeparam>
        /// <param name="jsonString"></param>
        /// <returns></returns>
        public static Entity DeSerilizeObject<Entity>(string jsonString)
        {
            DataContractJsonSerializer deserialize = new DataContractJsonSerializer(typeof(Entity));
            using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString)))
            {
                Entity entity = (Entity)deserialize.ReadObject(ms);
                ms.Close();
                return entity;
            }
        }