package com.jevon.service; import com.jevon.model.ClassModel; import java.util.List; /** * @author chen * @version 1.0 * @date 2019/9/25 0025 8:59 */ public interface ClassModelService { ClassModel selectByPrimaryKey(Integer classId); int insertBatch(List<ClassModel> list); ClassModel selectBySchoolIdAndClassNameAndGrade(ClassModel classModel); List<ClassModel> selectBySchoolId(int schoolId); List<ClassModel> selectBySchoolIdAndGrade(int schoolId , String grade); int deleteSchool(int schoolId); }