package com.bofeng.dao; import com.baomidou.mybatisplus.mapper.BaseMapper; import com.bofeng.entity.Vaccine; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Param; import org.apache.ibatis.annotations.Select; @Mapper public interface VaccineMapper extends BaseMapper { @Select("select * from ms_vaccine where user_id = #{userId}") Vaccine selectByUserId(@Param("userId") Long userId); }