商品读取缓存

framework/src/main/java/cn/lili/modules/goods/service/GoodsService.java

@@ -8,6 +8,9 @@ import cn.lili.modules.goods.entity.enums.GoodsStatusEnum;
 import cn.lili.modules.goods.entity.vos.GoodsVO;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.IService;
+import org.springframework.cache.annotation.CacheConfig;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.cache.annotation.Cacheable;
 
 import java.util.List;
 
@@ -17,6 +20,7 @@ import java.util.List;
  * @author pikachu
  * @date 2020-02-23 16:18:56
  */
+@CacheConfig(cacheNames = "{goods}")
 public interface GoodsService extends IService<Goods> {
 
 
@@ -48,6 +52,7 @@ public interface GoodsService extends IService<Goods> {
      * @param goodsOperationDTO 商品查询条件
      * @param goodsId           商品ID
      */
+    @CacheEvict(key = "#goodsId")
     void editGoods(GoodsOperationDTO goodsOperationDTO, String goodsId);
 
     /**
@@ -56,6 +61,7 @@ public interface GoodsService extends IService<Goods> {
      * @param goodsId 商品id
      * @return 商品VO
      */
+    @Cacheable(key = "#goodsId")
     GoodsVO getGoodsVO(String goodsId);
 
     /**

framework/src/main/java/cn/lili/modules/goods/serviceimpl/GoodsSkuServiceImpl.java

@@ -179,7 +179,9 @@ public class GoodsSkuServiceImpl extends ServiceImpl<GoodsSkuMapper, GoodsSku> i
 
     @Override
     public GoodsSku getGoodsSkuByIdFromCache(String id) {
+        //获取缓存中的sku
         GoodsSku goodsSku = cache.get(GoodsSkuService.getCacheKeys(id));
+        //如果缓存中没有信息，则查询数据库，然后写入缓存
         if (goodsSku == null) {
             goodsSku = this.getById(id);
             if (goodsSku == null) {
@@ -187,6 +189,7 @@ public class GoodsSkuServiceImpl extends ServiceImpl<GoodsSkuMapper, GoodsSku> i
             }
             cache.put(GoodsSkuService.getCacheKeys(id), goodsSku);
         }
+        //获取商品库存
         String quantity = stringRedisTemplate.opsForValue().get(GoodsSkuService.getStockCacheKey(id));
         if (quantity != null) {
             if (goodsSku.getQuantity().equals(Convert.toInt(quantity))) {