修改文件

components/shop-spec/shop-spec.vue

@@ -29,7 +29,8 @@
 							</view> -->
 						</view>
 						<view class="flex1 u-text-right">
-							<u-number-box v-model="goodsNum" :min="1" :max="checkedGoods.stock"
+							<!-- 限购逻辑:套餐和单品内的商品列表，每个都是只能购买两个 -->
+							<u-number-box v-model="goodsNum" :min="1" :max="goods.first_category_id == 1 || goods.first_category_id == 2 ? 2 : checkedGoods.stock"
 						:disabled="disabledNumberBox"></u-number-box>
 						</view>
 					</view>
@@ -157,6 +158,23 @@
 				
 			},
 
+			// 商品数量变化
+			handleCountChange({ value }) {
+			console.log("🚀 ~ countChange ~ value:", value)
+			console.log("🚀 ~ countChange ~ goods:", this.goods)
+				if (this.goods.first_category_id === 1 || this.goods.first_category_id === 2) {
+					// 套餐和单品系列限购2套
+					if (value > 2) {
+						this.disabledNumberBox = true						
+						return this.$toast({
+							title: '套餐与单品系列限购2套',
+						})
+					} else {
+						this.goodsNum = value
+					}
+				}
+			},
+
 			// 选择规格
 			// chooseSpec(item, index1, index2, attr) {
 			// 	if (item.name == '辣度') {