一个通用的Hibernate DAO

经过one-to-one和one-to-many测试没有问题，看直接复制到任何需要DAO的工程中使用
代码
强烈建议在实际使用中加个接口

BaseDAO.JAVA

package com.lusm.HibernateSessionFactory;

import java.io.Serializable;
import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;

public class BaseDAO {
    /** *//**
     * 添加实体
     * @param obj，要添加的实体对象
     * @throws Exception
     */
    public void add(Object obj) throws Exception{
        Session session = null;
        try {
            session = HibernateSessionFactory.getSession();
            session.save(obj);
            session.beginTransaction().commit();
            if(session!=null){
                  session.close();
            }
        } catch (RuntimeException e) {

            session.beginTransaction().rollback();
            if(session!=null){
                  session.close();
            }
            throw e;
        }
    }
    
    /** *//**
     * 删除实体
     * @param obj，要删除的实体
     * @throws Exception
     */
    public void delete(Object obj) throws Exception{
        Session session = null;
        try {
            //取得session对象
            session =HibernateSessionFactory.getSession();
            //删除实体
            session.delete(obj);
            //提交事务
            session.beginTransaction().commit();
            if(session!=null){
                  session.close();
            }
        } catch (Exception e) {
            session.beginTransaction().rollback();//事务回滚
            if(session!=null){
                  session.close();
            }