Hibernate-一对一唯一外键关联双向.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IdCard.javaprivateintid;privateStringcardNo;privatePersonperson;Person.javaprivateintid;privateStringname;privateIdCardidCard;

2、>

3、me="idCard"unique="true"/>publicclassOne2OneTestextendsTestCase{publicvoidtestSave1(){Sessionsession=null;try{session=HibernateUtils.getSession();session.beginTransaction();IdCardidCard=newIdCard();idCard.setCardNo("1111111111111")

4、;Personperson=newPerson();person.setName("女女");person.setIdCard(idCard);//不能成功保存，因为IdCard是Transient状态session.save(person);session.getTransaction().commit();}catch(Exceptione){e.printStackTrace();session.getTransaction().rollback();}finally{此文档仅供学习与交流此文档收集于网络，

5、如有侵权，请联系网站删除HibernateUtils.closeSession(session);}}publicvoidtestSave2(){Sessionsession=null;try{session=HibernateUtils.getSession();session.beginTransaction();IdCardidCard=newIdCard();idCard.setCardNo("1111111111111");session.save(idCard);Personperson=newPer

6、son();person.setName("女女");person.setIdCard(idCard);session.save(person);session.getTransaction().commit();}catch(Exceptione){e.printStackTrace();session.getTransaction().rollback();}finally{HibernateUtils.closeSession(session);}}publicvoidtestLoad1(){Session

7、session=null;try{session=HibernateUtils.getSession();session.beginTransaction();Personperson=(Person)session.load(Person.class,2);System.out.println("person.name="+person.getName());System.out.println("idCard.cardNo="+person.getIdCard().getCardNo());session.g

8、etTransaction().commit();}catch(Exceptione){e.printStackTrace();session.getTransaction().rollback();}finally{HibernateUtils.closeSession(session);}}publicvoidtestLoad2(){Sessionsession=nu