实现规格过滤、省份显示和重量转换规则

pages/goods-detail/goods-detail.js

@@ -2083,18 +2083,86 @@ Page({
   loadHomeGoods: function () {
     this.setData({ loadingHome: true });
     
+    // 获取当前商品的规格信息
+    const currentGoods = this.data.goodsDetail;
+    const currentSpecifications = currentGoods.weightQuantityData || [];
+    // 提取当前商品的净重规格（如"净重41-42"）
+    const currentWeightSpecs = currentSpecifications.map(item => item.weightSpec.trim())
+      .filter(spec => spec && (spec.includes('净重') || spec.includes('毛重')));
+    
     // 调用API获取首页商品列表
     API.getProducts()
       .then(res => {
         console.log('获取首页商品数据成功:', res);
         // API.getProducts()直接返回商品数组，而不是包含data字段的对象
         if (Array.isArray(res)) {
-          // 为每个商品添加mediaItems字段
+          // 为每个商品添加mediaItems字段和weightQuantityData字段，并过滤出与当前商品规格匹配的商品
           const processedGoods = res.map(goods => {
+            // 处理每个首页商品的规格数据
+            let weightSpecString = '';
+            let quantityString = '';
+            
+            // 检查规格字段是否包含净重信息
+            if (goods.spec && typeof goods.spec === 'string' && (goods.spec.includes('净重') || goods.spec.includes('毛重'))) {
+              weightSpecString = goods.spec;
+            } else if (goods.specification && typeof goods.specification === 'string' && (goods.specification.includes('净重') || goods.specification.includes('毛重'))) {
+              weightSpecString = goods.specification;
+            } else if (goods.grossWeight) {
+              weightSpecString = String(goods.grossWeight);
+            }
+            
+            // 处理件数数据
+            if (goods.minOrder) {
+              quantityString = String(goods.minOrder);
+            } else if (goods.quantity) {
+              quantityString = String(goods.quantity);
+            }
+            
+            // 调用processWeightAndQuantityData处理规格数据
+            const weightQuantityData = processWeightAndQuantityData(weightSpecString, quantityString, '');
+            
+            // 提取省份信息
+            const province = extractProvince(goods.region || '');
+            
             return {
               ...goods,
-              mediaItems: processMediaUrls(goods.imageUrls)
+              mediaItems: processMediaUrls(goods.imageUrls),
+              weightQuantityData: weightQuantityData,
+              province: province // 添加省份字段
             };
+          }).filter(goods => {
+            // 只有当当前商品有明确的规格时才进行筛选
+            if (currentWeightSpecs.length === 0) {
+              return true;
+            }
+            
+            // 获取该商品的规格信息
+            const goodsSpecifications = goods.weightQuantityData || [];
+            // 提取该商品的净重规格
+            const goodsWeightSpecs = goodsSpecifications.map(item => item.weightSpec.trim())
+              .filter(spec => spec && (spec.includes('净重') || spec.includes('毛重')));
+            
+            // 辅助函数：获取规格的匹配版本（处理44净重=49毛重的转换规则）
+            function getMatchingSpecs(spec) {
+              const specs = [spec];
+              
+              // 添加转换规则：44净重=49毛重
+              if (spec === '44净重') {
+                specs.push('49毛重');
+              } else if (spec === '49毛重') {
+                specs.push('44净重');
+              }
+              
+              return specs;
+            }
+            
+            // 检查是否有匹配的规格（考虑转换规则）
+            return goodsWeightSpecs.some(goodsSpec => 
+              currentWeightSpecs.some(currentSpec => {
+                const matchingSpecs = getMatchingSpecs(currentSpec);
+                return matchingSpecs.includes(goodsSpec);
+              })
+            );
           });
           
           this.setData({
@@ -2232,13 +2300,19 @@ Page({
           // 等待所有商品详情获取完成
           Promise.all(productPromises)
             .then(products => {
-              // 过滤掉获取失败的商品，并为每个商品添加mediaItems字段
+              // 过滤掉获取失败的商品，并为每个商品添加mediaItems字段和省份信息
               const validProducts = products
                 .filter(product => product !== null)
-                .map(product => ({
+                .map(product => {
-                  ...product,
+                  // 提取省份信息
-                  mediaItems: processMediaUrls(product.imageUrls)
+                  const province = extractProvince(product.region || '');
-                }));
+                  
+                  return {
+                    ...product,
+                    mediaItems: processMediaUrls(product.imageUrls),
+                    province: province // 添加省份字段
+                  };
+                });
               console.log('所有商品详情获取完成，有效商品数量:', validProducts.length);
               
               this.setData({
@@ -2254,11 +2328,17 @@ Page({
               });
             });
         } else {
-          // 收藏列表已经包含完整商品信息，为每个商品添加mediaItems字段
+          // 收藏列表已经包含完整商品信息，为每个商品添加mediaItems字段和省份信息
-          const processedFavorites = favoritesList.map(product => ({
+          const processedFavorites = favoritesList.map(product => {
-            ...product,
+            // 提取省份信息
-            mediaItems: processMediaUrls(product.imageUrls)
+            const province = extractProvince(product.region || '');
-          }));
+            
+            return {
+              ...product,
+              mediaItems: processMediaUrls(product.imageUrls),
+              province: province // 添加省份字段
+            };
+          });
           
           this.setData({
             favoriteGoods: processedFavorites,

pages/goods-detail/goods-detail.wxml

@@ -201,7 +201,7 @@
           bindtap="switchTab" 
           data-tab="home"
         >
-          首页数据
+          首页相同规格数据
         </view>
         <view 
           class="compare-tab {{activeTab === 'favorite' ? 'active' : ''}}" 
@@ -246,7 +246,7 @@
               <text class="compare-goods-spec">{{item.specification || item.spec || item.specs || '暂无规格'}}</text>
               <text class="compare-goods-quantity">{{item.quantity || '暂无件数'}}件</text>
               <text class="compare-goods-price">价格: {{item.price}}</text>
-              <text class="compare-goods-region">{{item.region || '暂无地区'}}</text>
+              <text class="compare-goods-region">{{item.province || item.region || '暂无地区'}}</text>
             </view>
           </view>
         </block>
@@ -286,7 +286,7 @@
               <text class="compare-goods-spec">{{item.specification || item.spec || item.specs || '暂无规格'}}</text>
               <text class="compare-goods-quantity">{{item.quantity || '暂无件数'}}件</text>
               <text class="compare-goods-price">价格: {{item.price}}</text>
-              <text class="compare-goods-region">{{item.region || '暂无地区'}}</text>
+              <text class="compare-goods-region">{{item.province || item.region || '暂无地区'}}</text>
             </view>
           </view>
         </block>