新增默认选中

@@ -88,10 +88,11 @@ class ChosePanel {
 
     /**
      * 初始化属性按钮状态不满足库存的灰色
+     * 若只存在一个skc且一个sku则默认选中
      */
     _initBlockStatus() {
         // 获取sku列表中库存小于最小购买数量的属性，如果在其他sku中它们没有满足购买数量条件的可以灰色
-        let noStorageSkus = this._sizeList.filter(sku => sku.storage_number < 1); // TODO 测试数据恢复
+        let noStorageSkus = this._sizeList.filter(sku => sku.storage_number < 1);
 
         $('.block').removeClass('zero-stock');
         noStorageSkus.forEach(item => {
@@ -100,6 +101,19 @@ class ChosePanel {
             $block.addClass('zero-stock');
 
         });
+
+        let skcLen = $('.size-row.skc .block').length;
+
+        if (skcLen === 1) {
+            $('.size-row.skc .block').addClass('chosed');
+        }
+
+        let skuLen = $('.size-row.sku .block').length;
+        let zeroSkuLen = $('.size-row.sku .block.zero-stock').length;
+
+        if (skcLen === 1 && skuLen === 1 && !zeroSkuLen) {
+            $('.size-row.sku .block').addClass('chosed');
+        }
     }
 
     _setSelector() {