From 9be3eecd0f0041483e14f8a47dab2d046cc98829 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E6=AF=85?= <1335909236@qq.com>
Date: Thu, 9 Oct 2025 15:44:37 +0800
Subject: [PATCH] =?UTF-8?q?=E6=98=93=E8=B4=AD=E5=95=86=E5=93=81=E6=90=9C?=
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---
 packages/shop/search/index.vue | 64 ++++++++++++++++++++++++----------
 1 file changed, 45 insertions(+), 19 deletions(-)

diff --git a/packages/shop/search/index.vue b/packages/shop/search/index.vue
index c06be7eb..68840013 100644
--- a/packages/shop/search/index.vue
+++ b/packages/shop/search/index.vue
@@ -78,7 +78,7 @@
 								{{ getPriceRange(item.commodity_goods_info_list) }}
 							</view>
 							<view class="CateInfo_Item_Money_right" v-if="!(item.commodity_goods_info_list.length > 1)">
-								<u-number-box :min="0" v-model="item.commodity_goods_info_list[0].quantity"
+								<u-number-box :value="item.commodity_goods_info_list[0].quantity || 0" :min="0"
 									@change="(value) => handleQuantityChange(value, item)">
 									<view slot="minus" class="minus">
 										<u-icon name="minus" size="20"></u-icon>
@@ -128,7 +128,7 @@
 									<span>￥</span>{{ ite.sales_price }}
 								</view>
 								<view class="GGItem_Con_Msg_right">
-									<u-number-box v-model="ite.quantity" :min="0"
+									<u-number-box :value="ite.quantity || 0" :min="0"
 										@change="(value) => handleQuantityChange(value, ite)">
 										<view slot="minus" class="minus">
 											<u-icon name="minus" size="20"></u-icon>
@@ -293,25 +293,49 @@ export default {
 		},
 		// 处理商品数量变化
 		handleQuantityChange(val, item) {
-			// 先在前端直接更新数量，确保页面显示及时变化
-			// 注意：这里的val可能是直接的数值，也可能是包含value属性的对象
 			const quantity = typeof val === 'object' && val !== null && 'value' in val ? val.value : val;
-
+		
+			// 检查库存数量
+			let currentQuantity = 0;
+			let stockQuantity = 0;
+			let goodsToUpdate = null;
+		
 			// 对于有规格的主商品（绑定到items.commodity_goods_info_list[0].quantity）
-			if (item.commodity_goods_info_list && item.commodity_goods_info_list.length) {
+			if (
+				item.commodity_goods_info_list &&
+				item.commodity_goods_info_list.length
+			) {
 				this.goodsId = item.commodity_goods_info_list[0].id;
-				// 使用$set确保响应式更新
-				this.$set(item.commodity_goods_info_list[0], 'quantity', quantity);
+				currentQuantity = item.commodity_goods_info_list[0].quantity || 0;
+				stockQuantity = item.commodity_goods_info_list[0].stock_quantity || 0;
+				goodsToUpdate = item.commodity_goods_info_list[0];
 			}
 			// 对于规格列表中的商品（绑定到ite.quantity）
 			else {
 				this.goodsId = item.id;
-				// 使用$set确保响应式更新
-				this.$set(item, 'quantity', quantity);
+				currentQuantity = item.quantity || 0;
+				stockQuantity = item.stock_quantity || 0;
+				goodsToUpdate = item;
 			}
-
+		
+			// 直接检查新数量是否超过库存，如果超过则不允许修改
+			if (quantity > stockQuantity) {
+				uni.showToast({
+					title: "库存不足",
+					icon: 'none'
+				});
+				// 强制重置数量为当前值或库存值，确保UI上显示的数量不会超过库存
+				this.$nextTick(() => {
+					this.$set(goodsToUpdate, 'quantity', Math.min(currentQuantity, stockQuantity));
+				});
+				return;
+			}
+		
+			// 使用$set确保响应式更新
+			this.$set(goodsToUpdate, 'quantity', quantity);
+		
 			const params = {
-				user_id: uni.getStorageSync('userId'),
+				user_id: uni.getStorageSync("userId"),
 				goods_id_and_count: [
 					{
 						goods_id: this.goodsId,
@@ -319,24 +343,26 @@ export default {
 					},
 				],
 			};
-
-			request(apiArr.updateCar, 'POST', params).then((res) => {
+		
+			// 发送请求更新后端数据
+			request(apiArr.updateCar, "POST", params).then((res) => {
 				console.log(res);
-				// 更新购物车数据
+				// 先更新购物车数据
 				this.getShopCarList();
-
-				// 延迟时间，确保goodsDetail已经更新
+		
+				// 延迟一小段时间，确保goodsDetail已经更新
 				setTimeout(() => {
 					// 重新同步商品列表中的数量
 					this.syncGoodsQuantities();
 				}, 100);
-
+		
 				uni.showToast({
-					title: '操作成功！',
+					title: "操作成功！",
 					success() { },
 				});
 			});
 		},
+
 		// 同步商品列表中的数量与购物车数据
 		syncGoodsQuantities() {
 			// 遍历所有商品，同步数量