增加确认订单页面菜品折叠，修改商品购物车数量显示

pages/product/index.vue

@@ -148,8 +148,10 @@
 										@click.stop="clickspecifications(item, index, index1)">
 										<text class="t no-wrap" v-if="item.groupType == '1'">选择套餐</text>
 										<text class="t" v-else>选规格</text>
+										<!-- <text class="dot num"
+											v-if="item.cartNumber > 0">{{ ifcartNumber(item) < 99 ? ifcartNumber(item) : '99+' }}</text> -->
 										<text class="dot num"
-											v-if="item.cartNumber > 0">{{ ifcartNumber(item) < 99 ? ifcartNumber(item) : '99+' }}</text>
+											v-if="returnGoodsImCartNum(item)">{{ returnGoodsImCartNum(item) < 99 ? returnGoodsImCartNum(item) : '99+' }}</text>	
 									</view>
 									<view class="Controls" v-else>
 										<view class="btn" v-if="item.cartNumber != '0'">
@@ -288,8 +290,11 @@
 												@click.stop="clickspecifications(item1, index, index1)">
 												<text class="t no-wrap" v-if="item1.groupType == '1'">选择套餐</text>
 												<text class="t" v-else>选规格</text>
-												<text class="dot num"
-													v-if="item1.cartNumber > 0">{{ ifcartNumber(item1) < 99 ? ifcartNumber(item1) : '99+' }}</text>
+												<!-- <text class="dot num"
+													v-if="item1.cartNumber > 0">{{ ifcartNumber(item1) < 99 ? ifcartNumber(item1) : '99+' }}</text> -->
+													
+											<text class="dot num"
+												v-if="returnGoodsImCartNum(item1)">{{ returnGoodsImCartNum(item1) < 99 ? returnGoodsImCartNum(item1) : '99+' }}</text>		
 											</view>
 										</view>
 										<view class="Controls" v-else>
@@ -700,6 +705,7 @@
 	import {
 		useCartStore
 	} from '@/stores/order.js';
+import { computed } from 'vue';
 	const cartStore = useCartStore();
 	/**
 	 *  store本地存储 end
@@ -800,9 +806,35 @@
 	};
 
 
-
-
-
+	
+	
+	
+	
+	
+	// 购物车对应的商品数
+	const GoodsIDInCartNumMap=computed(()=>{
+		const map={}
+		for(let cart in  cartStore.carts){
+			if(map[cart.product_id]){
+				map[cart.product_id]+=cart.number*1
+			}else{
+				map[cart.product_id]=cart.number*1
+			}
+			
+		}
+		return map
+	})
+	
+	/**
+	 * 返回购物车对应的商品数量
+	 */
+	function returnGoodsImCartNum(goods){
+		if(GoodsIDInCartNumMap.value.hasOwnProperty([goods.id]) ){
+			GoodsIDInCartNumMap.value[goods.id]
+		}
+		return 0
+	}
+	
 
 	// 获取商品数据
 	const shopProductList = reactive({
@@ -2106,7 +2138,6 @@
 			//第一步：将所有商品的 cartNumber 初始化为 0
 			shopProductList.productInfo.forEach((group) => {
 				group.productList.forEach(async (product) => {
-					product.cartNumber = 0;
 					product.isSaleTimeshow = await isProductAvailable(product.days, product
 						.startTime, product.endTime);
 						
@@ -2116,7 +2147,6 @@
 				});
 			});
 			shopProductList.hots.forEach(async (i) => {
-				i.cartNumber = 0;
 				i.isSaleTimeshow = await isProductAvailable(i.days, i.startTime, i.endTime);
 				allGoodsArr.push(i)
 				cartStore.setGoodsMap(i.id, i);