增：

package com.maya.test;import org.hibernate.*;import org.hibernate.cfg.*;import com.maya.model.Family;    public class Test2 {    public static void main(String[] args) {                Configuration config=new Configuration().configure();        SessionFactory factory=config.buildSessionFactory();            Session session=factory.openSession();                                    //增加        Family family=new Family();        family.setInfoCode("p004");        family.setName("张三");        family.setTitle("T003");        family.setFirm("齐鲁石化济南分公司");        family.setOrders(4);                try{            session.beginTransaction();    //事务开始            session.save(family);            session.getTransaction().commit();        //事务提交        }        catch(Exception e){            session.getTransaction().rollback();//如果发生错误，事务回滚        }                session.close();//关闭session        }    }

 

Hibernate框架自动生成如下语句，将数据插入数据库中

 

查询

package com.maya.test;import java.util.List;import org.hibernate.*;import org.hibernate.cfg.*;import com.maya.model.Family;    public class Test2 {    public static void main(String[] args) {                Configuration config=new Configuration().configure();        SessionFactory factory=config.buildSessionFactory();            Session session=factory.openSession();                            //        //查询(根据主键来查)//        Family fa=session.load(Family.class, 11);//        if(fa!=null){//            System.out.println(fa.getName()+" "+fa.getInfoCode());//        }                List
     
       list=session.createQuery("from Family").getResultList();   //这里的Family对应的是实体类，不是sql语句中的family                for(Family fa:list){            System.out.println(fa.getName()+" "+fa.getInfoCode());        }                        session.close();//关闭session        }    }
     

 

查询结果如下：SQL语句自动生成

 

 

删除：

package com.maya.test;import java.util.List;import org.hibernate.*;import org.hibernate.cfg.*;import com.maya.model.Family;    public class Test2 {    public static void main(String[] args) {                Configuration config=new Configuration().configure();        SessionFactory factory=config.buildSessionFactory();            Session session=factory.openSession();                            Family fa=session.get(Family.class,13);    //先查询        if(fa!=null){            session.beginTransaction();            session.delete(fa);                        //后删除            session.getTransaction().commit();;        }                session.close();//关闭session        }    }

改

package com.maya.test;import java.util.List;import org.hibernate.*;import org.hibernate.cfg.*;import com.maya.model.Family;    public class Test2 {    public static void main(String[] args) {                Configuration config=new Configuration().configure();        SessionFactory factory=config.buildSessionFactory();            Session session=factory.openSession();                            Family fa=session.get(Family.class,10);    //先查询        if(fa!=null){            session.beginTransaction();            fa.setName("盲僧");            fa.setFirm("召唤师峡谷");            session.update(fa);            session.getTransaction().commit();        }        session.close();//关闭session        }    }

 

注意：但凡涉及到数据操作（增删改）都要加上事务，保证数据增删改的的一致性