package com.jevon.mapper; import com.jevon.model.JoinClass; import java.util.List; /** * @author chen * @version 1.0 * @date 2019/10/10 0010 8:29 */ public interface JoinClassMapper { int insertBatch(List<JoinClass> list); Integer selectMaxGroup(); List<JoinClass> selectByCourse(JoinClass joinClass); List<JoinClass> selectByCourseGroup(int courseGroup); int deleteCourseGroup(int courseGroup); int deleteBySchoolIdAndTeam(JoinClass joinClass); }