public class JsonHelper    {        /// 
        /// 生成Json格式        /// 
        /// 
             ///         /// 
             public static string GetJson
     
      (T obj)        {            DataContractJsonSerializer json = new DataContractJsonSerializer(obj.GetType());            using (MemoryStream stream = new MemoryStream())            {                json.WriteObject(stream, obj);                string szJson = Encoding.UTF8.GetString(stream.ToArray());                return szJson;            }        }        /// 
      
        /// 转换Json的Model对象        /// 
        /// 
              /// 
              /// 
              public static T ParseFromJson
      
       (string szJson)        {            T obj = Activator.CreateInstance
       
        ();            using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(szJson)))            {                DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());                return (T)serializer.ReadObject(ms);            }        }        /// 
        
        /// 根据Json获取Dictionary集合        /// 
        /// 
                /// 
                public static Dictionary
        
          GetDictionaryFromJson(string szJson)        {            Dictionary
         
           list = new Dictionary
          
           (); System.Web.Script.Serialization.JavaScriptSerializer jsonConvert = new System.Web.Script.Serialization.JavaScriptSerializer(); list = jsonConvert.Deserialize
           
            
             >(szJson); return list; } }