package com.zy.asrs.mapper; import com.baomidou.mybatisplus.mapper.BaseMapper; import com.zy.asrs.entity.Mat; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Param; import org.springframework.stereotype.Repository; @Mapper @Repository public interface MatMapper extends BaseMapper { Mat selectByMatnr(@Param("matnr")String matnr); }