int deleteShopById(int id);

<delete id="deleteShopById">
    DELETE FROM `tb_shop` WHERE `shop_id` = #{id}
</delete>

@Test
public void testDeleteShopById() {
    String template = "刪除結果: %s";
    SqlSession session = MyBatisUtil.getSqlSession();
 
    ShopMapper mapper = session.getMapper(ShopMapper.class);

    int count = mapper.deleteShopById(42);
    session.commit();
    session.close();
    System.out.printf(template, count);
}