1

package com.xxx.common.mapper;import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.xxx.common.entity.Collect;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;import java.util.List;/*** <p>*  Mapper 接口* </p>** @author XXX* @since 2022-02-16*/
public interface CollectMapper extends BaseMapper<Collect> {List<Collect> selectList2(Collect collect);}

2

package com.xxx.common.mapper;import com.xxx.common.entity.Exam;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;/*** <p>*  Mapper 接口* </p>** @author XXX* @since 2022-02-15*/
public interface ExamMapper extends BaseMapper<Exam> {}

3

package com.xxx.common.mapper;import com.xxx.common.entity.Parent;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Param;import java.util.List;/*** <p>*  Mapper 接口* </p>** @author XXX* @since 2021-03-16*/public interface ParentMapper extends BaseMapper<Parent> {  //mybatis的mapper持久层与数据表关联的方式//查询所有数据List<Parent> selectParentList(Parent parent);void insertParent(Parent parent);void updateParent(Parent parent);void removeParentById(Long id);
}

4

package com.xxx.common.mapper;import com.xxx.common.entity.Report;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;import java.util.List;/*** <p>*  Mapper 接口* </p>** @author XXX* @since 2022-02-16*/
public interface ReportMapper extends BaseMapper<Report> {List<Report> selectData(Report report);}

5

package com.xxx.common.mapper;import com.xxx.common.entity.Subject;
import com