package com.jevon.mapper; import com.jevon.model.ClassModel; import java.util.List; public interface ClassModelMapper { ClassModel selectByPrimaryKey(Integer classId); int updateByPrimaryKey(ClassModel record); List selectBySchoolId(int schoolId); int insertBatch(List list); ClassModel selectBySchoolIdAndClassNameAndGrade(ClassModel classModel); List selectBySchoolIdAndGrade(ClassModel classModel); int deleteSchool(int schoolId); }