src/com/jiudai/dao/CarNameDAO.java

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

package com.jiudai.dao;

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

import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

import com.jiudai.Utils.HibernateUtil;
import com.jiudai.domain.CarName;

public class CarNameDAO {

	/*查询所有的汽车名称*/
	public ArrayList<CarName> QueryAllCarName() { 
		Session s = null;
		try {
			s = HibernateUtil.getSession();
			String hql = "From CarName"; 
			Query q = s.createQuery(hql); 
			List carNameList = q.list();
			return (ArrayList<CarName>) carNameList;
		} finally {
			HibernateUtil.closeSession();
		}
	}

	public void AddCarName(CarName carName) {
		Session s = null;
		Transaction tx = null;
		try {
			s = HibernateUtil.getSession();
			tx = s.beginTransaction();
			s.save(carName);
			tx.commit();
		} catch (HibernateException e) {
			if(tx != null)
				tx.rollback();
			throw e;
		} finally {
			HibernateUtil.closeSession();
		} 
	}

	public void DeleteCarName(int id) {
		Session s = null;
		Transaction tx = null;
		try {
			s = HibernateUtil.getSession();
			tx = s.beginTransaction();
			Object carNameObj = s.load(CarName.class,id);
			s.delete(carNameObj);
			tx.commit();
		} catch (HibernateException e) {
			if(tx != null)
				tx.rollback();
			throw e;
		} finally {