4.Hibernate首例:插入数据save

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package com.bjpowernode.hibernate;import java.util.Date;import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;public class Client {public static void main(String[] args) {//读取hibernate.cfg.xml文件Configuration cfg = new Configuration().configure();//建立SessionFactorySessionFactory factory = cfg.buildSessionFactory();//取得sessionSession session = null;try {session = factory.openSession();//开启事务session.beginTransaction();User user = new User();user.setName("张三");user.setPassword("123");user.setCreateTime(new Date());user.setExpireTime(new Date());//保存User对象session.save(user);//提交事务session.getTransaction().commit();}catch(Exception e) {e.printStackTrace();//回滚事务session.getTransaction().rollback();}finally {if (session != null) {if (session.isOpen()) {//关闭sessionsession.close();}}}}
}

3.Hibernate首例:把hbm生成ddl

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