uniapp【优化】：sku提示判断

CoreCms.Net.Uni-App/CoreShop/pages/components/goods-detail/components/goods-detail-sku/goods-detail-sku.vue

@@ -270,8 +270,10 @@
 
     /** 判断库存 */
     const handleHaveStock = () => {
-        if (state.selectedSpecs.length !== state.spec_list.length) {
+        let skuName:Array<string> = state.selectedSpecs.map(item => item.name) || [];
-            handleShowToast('请选择sku');
+        let sku = state.spec_list.find((item:any)=> !item.list.some((itemChild:any)=> skuName.includes(itemChild.name))); 
+        if (sku) { 
+            handleShowToast(`请选择 ${sku.name} 规格`);
             return false;
         }
         return true;