src/com/shop/dao/OsCategoryMapper.java

微信扫码关注公众号，代码整理好后第一时间通知你。

package com.shop.dao;

import java.util.List;

import com.shop.po.OsCategory;
import com.shop.vo.CategoryVO;

public interface OsCategoryMapper {
    int deleteByPrimaryKey(Long categoryId);

    int insert(OsCategory record);

    int insertSelective(OsCategory record);

    OsCategory selectByPrimaryKey(Long categoryId);

    int updateByPrimaryKeySelective(OsCategory record);

    int updateByPrimaryKey(OsCategory record);
    
    List<CategoryVO> selectIndexCategory();

    OsCategory selectParentCategoryByProductId(Long productId);

    // 根据类目ID查找子类目
    List<OsCategory> listLowerCategories(Long categoryId);
    // 根据类目ID查找上级类目列表
    List<OsCategory> listUpperCategories(Long categoryId);
}