1

src/main/java/cn/van/business/util/JDProductService.java

@@ -529,4 +529,66 @@ public class JDProductService {
         // 存入 Redis Hash
         redisTemplate.opsForHash().put(key, hashKey, JSON.toJSONString(data));
     }
+
+    /**
+     * 提取商品价格信息
+     *
+     * @param productInfo 商品查询结果
+     * @return 包含价格信息的Map
+     */
+    public Map<String, Object> extractPriceInfo(GoodsQueryResult productInfo) {
+        Map<String, Object> priceMap = new HashMap<>();
+        
+        if (productInfo == null || productInfo.getData() == null || productInfo.getData().length == 0) {
+            priceMap.put("error", "商品信息为空");
+            return priceMap;
+        }
+        
+        try {
+            // 获取第一个商品的价格信息
+            var priceInfo = productInfo.getData()[0].getPriceInfo();
+            if (priceInfo != null) {
+                priceMap.put("price", priceInfo.getPrice());                    // 原价
+                priceMap.put("lowestPrice", priceInfo.getLowestPrice());        // 最低价
+                priceMap.put("lowestCouponPrice", priceInfo.getLowestCouponPrice()); // 最低券后价
+                priceMap.put("lowestPriceType", priceInfo.getLowestPriceType()); // 最低价类型
+                
+                // 计算优惠金额
+                if (priceInfo.getPrice() != null && priceInfo.getLowestCouponPrice() != null) {
+                    long discount = priceInfo.getPrice() - priceInfo.getLowestCouponPrice();
+                    priceMap.put("discount", discount); // 优惠金额
+                }
+                
+                // 格式化价格显示
+                priceMap.put("priceFormatted", "¥" + (priceInfo.getPrice() != null ? priceInfo.getPrice() / 100.0 : 0));
+                priceMap.put("lowestPriceFormatted", "¥" + (priceInfo.getLowestPrice() != null ? priceInfo.getLowestPrice() / 100.0 : 0));
+                priceMap.put("lowestCouponPriceFormatted", "¥" + (priceInfo.getLowestCouponPrice() != null ? priceInfo.getLowestCouponPrice() / 100.0 : 0));
+            } else {
+                priceMap.put("error", "价格信息为空");
+            }
+        } catch (Exception e) {
+            log.error("提取价格信息时发生异常", e);
+            priceMap.put("error", "提取价格信息时发生异常: " + e.getMessage());
+        }
+        
+        return priceMap;
+    }
+
+    /**
+     * 通过商品链接提取价格信息
+     *
+     * @param uJDUrl 京东商品链接
+     * @return 包含价格信息的Map
+     */
+    public Map<String, Object> extractPriceInfoByUrl(String uJDUrl) {
+        try {
+            GoodsQueryResult productInfo = queryProductInfoByUJDUrl(uJDUrl);
+            return extractPriceInfo(productInfo);
+        } catch (Exception e) {
+            log.error("通过链接提取价格信息时发生异常: {}", uJDUrl, e);
+            Map<String, Object> errorMap = new HashMap<>();
+            errorMap.put("error", "通过链接提取价格信息时发生异常: " + e.getMessage());
+            return errorMap;
+        }
+    }
 }