questionpapermanager.java

java 考试管理系统 很好的很强大 很好的很强大

package com.zjxy.hibernate.base;

import java.util.ArrayList;
import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Expression;

import com.zjxy.hibernate.HibernateSessionFactory;
import com.zjxy.hibernate.model.QuestionPaper;

public class QuestionPaperManager {
	Session session;

	// 构造函数
	public QuestionPaperManager() throws HibernateException {
		session = getSession();
	}
	
	// 取得试卷信息列表
	public List getQuestionPaperList() throws HibernateException {
		return session.createCriteria(QuestionPaper.class).list();
	}
	
	// 题目修改页面初期化时页面项目信息的取得
	public QuestionPaper getModifyInfoByID(int sequenceID) {
	    QuestionPaper questionPaper = new QuestionPaper();
		List list = new ArrayList();
		Integer seqID = Integer.valueOf(sequenceID);
		Criteria criteria = session.createCriteria(QuestionPaper.class);
		criteria.add(Expression.eq("sequenceID", seqID));
		list = criteria.list();
		questionPaper = (QuestionPaper) list.get(0);
		return questionPaper;
	}
	
	// 删除题目信息
	public void delete(int sequenceID) throws HibernateException {
		
	    QuestionPaper QuestionPaper = new QuestionPaper();
	    QuestionPaper = this.getModifyInfoByID(sequenceID);
		Transaction tran = session.beginTransaction();
		session.delete(QuestionPaper);	
		tran.commit();
	}
	
	// 关闭session
	public void closeSession() throws HibernateException {
		session.close();
	}
	
	// 得到session
	private Session getSession() throws HibernateException {
		return HibernateSessionFactory.currentSession();
	}

}