Hibernate-一对一主键关联双向.doc

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1、此文档收集于网络，如有侵权，请联系网站删除Person.javaprivateintid;privateStringname;privateIdCardidCard;IdCard.javaprivateintid;privateStringcardNo;privatePersonperson;

2、ramname="property">idCard<

3、propertyname="cardNo"/>publicclassOne2OneTestextendsTestCase{publicvoidtestSave1(){Sessionsession=null;try{session=HibernateUtils.getSession();session.beginTransaction();IdCardidCard=newIdCard();idCard.setCard

4、No("333333333333");Personperson=newPerson();person.setName("飞飞");person.setIdCard(idCard);//不会出现TransientObjectException异常//因为一对一主键关联映射中，默认了cascade属性session.save(person);session.getTransaction().commit();}catch(Exceptione){此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除e.printSt

5、ackTrace();session.getTransaction().rollback();}finally{HibernateUtils.closeSession(session);}}publicvoidtestLoad1(){Sessionsession=null;try{session=HibernateUtils.getSession();session.beginTransaction();Personperson=(Person)session.load(Person.class,1);System.ou

6、t.println("person.name="+person.getName());System.out.println("idCard.cardNo="+person.getIdCard().getCardNo());session.getTransaction().commit();}catch(Exceptione){e.printStackTrace();session.getTransaction().rollback();}finally{HibernateUtils.closeSession(sessio

7、n);}}publicvoidtestLoad2(){Sessionsession=null;try{session=HibernateUtils.getSession();session.beginTransaction();IdCardidCard=(IdCard)session.load(IdCard.class,1);System.out.println("idcard.cardNo="+idCard.getCardNo());System.out.println("idcard.person.name="+id

8、Card.getPerson().getName());session.getTransaction().commit();}catch(Exceptione){e.printStackTrace();session.getTransaction().rollback();}finally{HibernateUtil