package com.sky.mapper; import com.sky.annotation.AutoFill; import com.sky.entity.Dish; import com.sky.enumeration.OperationType; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Select; @Mapper public interface DishMapper { /** * 根据分类id查询菜品数量 * @param categoryId * @return */ @Select("select count(id) from dish where category_id = #{categoryId}") Integer countByCategoryId(Long categoryId); /** * 插入菜品 * @param dish */ @AutoFill(value = OperationType.INSERT) void insert(Dish dish); }