dbstudentdao.java

我们采用了JSP技术为主要手段,本系统采用了多级角色管理：包括系统管理员、系主任

package com.middle.graduate.biz.dao;

import java.util.List;

import com.middle.graduate.biz.entity.Student;
import com.middle.graduate.biz.entity.Topic;
import com.middle.graduate.biz.exce.DataException;

public interface DBStudentDao {
	public boolean login(int studentId, String password) throws DataException;
	public void changePassword(int studentId, String password) throws DataException;
	//查询所有课题
	public List<Topic> queryAllTopic() throws DataException;
	//选择课题
	public void selectTopic(int studentId, int topicId) throws DataException;
	//退选课题
	public void quitTopic(int studentId, int topicId) throws DataException;
	//查询已选课题
	public Student querySelectedTopic(int studentId) throws DataException;
}