HelloWorld.ItemListJsonConverter.ToJson C# (CSharp) Method

        public static JObject ToJson( IEnumerable<Item> list )
        {
            var data = new JObject();

              if ( list != null )
              {
            foreach ( var item in list )
              data.Add( item.ItemDescriptor.Expression, item.Quantity );
              }

              return data;
        }

        /// <summary>
        /// 初始化 Place 对象
        /// </summary>
        protected override void Initialize()
        {
            {
                var items = ItemListJsonConverter.FromJson((JObject)DataObject.Resources);
                Resources = new ItemCollection(items, collection =>
                {
                    DataObject.Resources = ItemListJsonConverter.ToJson(collection);
                });
            }


            Acting = PlaceActing.FromData(this, (JObject)DataObject.Acting);


            Terrain       = InitializeImmovableInstance <Terrain>((JsonDataObject)DataObject.Terrain);
            TraficNetwork = InitializeImmovableInstance <TraficNetwork>((JsonDataObject)DataObject.TraficNetwork);
            Building      = InitializeImmovableInstance <Building>((JsonDataObject)DataObject.Building);



            base.Initialize();
        }