苍穹外卖--分类管理代码导入

sky-server/src/main/java/com/sky/mapper/CategoryMapper.java

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+package com.sky.mapper;
+
+import com.github.pagehelper.Page;
+import com.sky.enumeration.OperationType;
+import com.sky.dto.CategoryPageQueryDTO;
+import com.sky.entity.Category;
+import org.apache.ibatis.annotations.Delete;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Mapper;
+import java.util.List;
+
+@Mapper
+public interface CategoryMapper {
+
+    /**
+     * 插入数据
+     * @param category
+     */
+    @Insert("insert into category(type, name, sort, status, create_time, update_time, create_user, update_user)" +
+            " VALUES" +
+            " (#{type}, #{name}, #{sort}, #{status}, #{createTime}, #{updateTime}, #{createUser}, #{updateUser})")
+    void insert(Category category);
+
+    /**
+     * 分页查询
+     * @param categoryPageQueryDTO
+     * @return
+     */
+    Page<Category> pageQuery(CategoryPageQueryDTO categoryPageQueryDTO);
+
+    /**
+     * 根据id删除分类
+     * @param id
+     */
+    @Delete("delete from category where id = #{id}")
+    void deleteById(Long id);
+
+    /**
+     * 根据id修改分类
+     * @param category
+     */
+    void update(Category category);
+
+    /**
+     * 根据类型查询分类
+     * @param type
+     * @return
+     */
+    List<Category> list(Integer type);
+}

sky-server/src/main/java/com/sky/mapper/DishMapper.java

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+package com.sky.mapper;
+
+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);
+
+}

sky-server/src/main/java/com/sky/mapper/SetmealMapper.java

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+package com.sky.mapper;
+
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Select;
+
+@Mapper
+public interface SetmealMapper {
+
+    /**
+     * 根据分类id查询套餐的数量
+     * @param id
+     * @return
+     */
+    @Select("select count(id) from setmeal where category_id = #{categoryId}")
+    Integer countByCategoryId(Long id);
+
+}