private void _initPackageList()
        {
            GameObject cell    = null;
            Transform  package = transform.Find("main").Find("packCells");
            int        len     = PACK_ROW * PACK_COL;

            _packageList = new GameObject[PACK_ROW * PACK_COL];
            for (int i = 0; i < len; ++i)
            {
                cell      = (GameObject)Resources.Load("Prefabs/UI/packageCell");
                cell      = Instantiate(cell);
                cell.name = "cellBackgournd_" + i;
                cell.transform.SetParent(package);
                cell.GetComponent <RectTransform>().anchoredPosition3D = new Vector3(75 * (i % PACK_COL), -75 * (i / PACK_COL), 0);
                UITilePackageCell tile = cell.GetComponent <UITilePackageCell>();
                tile.SetCallBack(callBack);
                _packageList.SetValue(cell, i);
            }
        }
        public void ShowPackageList(ItemVO[] items)
        {
            if (_packageList == null)
            {
                return;
            }

            for (int i = 0; i < _packageList.Length; ++i)
            {
                GameObject        cell = _packageList[i];
                UITilePackageCell tile = cell.GetComponent <UITilePackageCell>();
                if (i < items.Length)
                {
                    tile.Show(items[i]);
                }
                else
                {
                    tile.Clear();
                }
            }
        }