优化字段bargaining

pages/goods-detail/goods-detail.js

@@ -2124,8 +2124,8 @@ Page({
         region: region,
         // 添加价格波动信息
         specPriceChanges: specPriceChanges,
-        // 添加讲价字段
-        bargaining: product.bargaining !== undefined ? product.bargaining : 0
+        // 添加讲价字段，确保为数字类型
+        bargaining: product.bargaining !== undefined ? Number(product.bargaining) : 0
       };
       
       // 调试：打印formattedGoods的imageUrls和mediaItems

pages/goods-detail/goods-detail.wxml

@@ -418,7 +418,7 @@
       bindtap="showBargainModal"
       data-id="{{goodsDetail.id}}"
       disabled="{{fromChatDetail}}"
-      wx:if="{{goodsDetail.bargaining == 0 && goodsDetail.status !== 'sold_out' && goodsDetail.status !== 'sold' && goodsDetail.status !== 'out_of_stock' && !goodsDetail.supplyStatus.includes('售空')}}"
+      wx:if="{{goodsDetail.bargaining === 0 && goodsDetail.status !== 'sold_out' && goodsDetail.status !== 'sold' && goodsDetail.status !== 'out_of_stock' && !goodsDetail.supplyStatus.includes('售空')}}"
     >
       讲价
     </button>

server-example/server-mysql.js

@@ -1766,6 +1766,13 @@ Product.init({
     allowNull: true,
     comment: '规格状态',
     defaultValue: '0'
+  },
+  // 讲价字段
+  bargaining: {
+    type: DataTypes.INTEGER,
+    defaultValue: 0,
+    allowNull: false,
+    comment: '是否允许讲价，0允许，1不允许'
   }
 }, {
   sequelize,
@@ -5511,7 +5518,7 @@ app.post('/api/products/detail', async (req, res) => {
 
     // 查询商品详情 - 排除hidden状态商品，直接使用Product表中的reservedCount字段
     const product = await Product.findOne({
-      attributes: ['productId', 'productName', 'price', 'quantity', 'grossWeight', 'imageUrls', 'created_at', 'specification', 'yolk', 'sourceType', 'supplyStatus', 'producting', 'product_contact', 'contact_phone', 'region', 'freshness', 'costprice','description', 'frequency', 'product_log', 'spec_status', 'status', 'label'],
+      attributes: ['productId', 'productName', 'price', 'quantity', 'grossWeight', 'imageUrls', 'created_at', 'specification', 'yolk', 'sourceType', 'supplyStatus', 'producting', 'product_contact', 'contact_phone', 'region', 'freshness', 'costprice','description', 'frequency', 'product_log', 'spec_status', 'status', 'label', 'bargaining'],
       where: {
         productId,
         status: { [Sequelize.Op.not]: 'hidden' }