feat(新增): 使用Cacheable插入数据

Signed-off-by: bunny <1319900154@qq.com>

spzx-service/service-product/src/main/java/com/atguigu/product/service/impl/CategoryServiceImpl.java

@@ -6,6 +6,7 @@ import com.atguigu.product.service.CategoryService;
 import com.atguigu.spzx.model.entity.product.Category;
 import com.atguigu.utils.CategoryHelper;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
 
@@ -46,6 +47,7 @@ public class CategoryServiceImpl implements CategoryService {
      *
      * @return 分类实体类列表
      */
+    @Cacheable(value = "category", key = "'all'")
     @Override
     public List<Category> findCategoryTree() {
         // 查询所以分类，返回list集合