Fix(商品):[#1071]商品详情的立即购买，加入购物车两个按钮，只有在当前商品所有规格库存全部为0时，才变为灰色不可点击状态

pages/shop/GoodsCon/index.vue

@@ -335,7 +335,7 @@
             <view
               class="btn-car"
               :class="{
-                'btn-car-disabled': attr.productSelect.stock === 0
+                'btn-car-disabled': (attr.productSelect.stock === 0 && attr.cartAttr) || storeInfo.stock === 0
               }"
               @click="joinCart"
             >
@@ -344,7 +344,7 @@
             <view
               class="btn-buy"
               :class="{
-                'btn-buy-disabled': attr.productSelect.stock === 0
+                'btn-buy-disabled': (attr.productSelect.stock === 0 && attr.cartAttr) || storeInfo.stock === 0
               }"
               @click="tapBuy"
             >
@@ -1048,13 +1048,17 @@ export default {
     },
     //  点击加入购物车按钮
     joinCart: function () {
-      if (this.attr.productSelect.stock === 0) return;
+      if ((this.attr.productSelect.stock === 0 && this.attr.cartAttr) || this.storeInfo.stock === 0) {
+        return
+      }
       //0=加入购物车
       this.goCat(0);
     },
     //立即购买；
     tapBuy: function () {
-      if (this.attr.productSelect.stock === 0) return;
+      if ((this.attr.productSelect.stock === 0 && this.attr.cartAttr) || this.storeInfo.stock === 0) {
+        return
+      }
       //  1=直接购买
       this.goCat(1);
     },