examdao.java

出试卷系统（包括前台教师出卷系统

package dao;

import java.util.Collection;

import entity.Exam;



public interface ExamDAO {
public void insert(Exam exam);
public void delete(Exam exam);
public Exam selectByid(Long id);
public Exam selectByCourseidTeacheridPaperid(Long courseid,Long teacherid,Long Paperid);
public Collection<Exam> selectByTeacherid(Long teacherid);
public Exam selectExamByTeacherAndCourseAndPaper(Long teacherid,Long courseid,Long paperid);
}