package com.stylefeng.guns.modular.system.dao; import com.baomidou.mybatisplus.mapper.BaseMapper; import com.stylefeng.guns.modular.system.model.CarModel; import org.apache.ibatis.annotations.Param; import java.util.List; import java.util.Map; public interface CarModelMapper extends BaseMapper { List> query(@Param("brandId") Integer brandId) throws Exception; }