Hibernate frame additions and deletions change

1  PackageCn.happy.util;2 3 Importorg.hibernate.Session;4 Importorg.hibernate.SessionFactory;5 Importorg.hibernate.cfg.Configuration;6 7 /**8 * 1.1 Tool classes for the production of Session objects9  */Ten  Public classHibernateutil { One     Private StaticConfiguration cfg=NewConfiguration (). Configure (); A     Private StaticSessionfactory factory=cfg.buildsessionfactory (); -     //method to return to session -      Public StaticSession getsession () { the         returnfactory.opensession (); -     } -     //Close Session -      Public Static voidclosesession () { + getsession (). Close (); -     } +  A}

1  Packagecn.happy.entity;2 /**3 * Entity class4  * @authorAdministrator5  *6  */7  Public classStudent {8     PrivateInteger ID;9     PrivateString name;Ten     PrivateInteger age; One      A @Override -      PublicString toString () { -         return"Student [id=" + ID + ", name=" + name + ", age=" + Age + "]"; the     } -      PublicInteger getId () { -         returnID; -     } +      Public voidsetId (Integer id) { -          This. ID =ID; +     } A      PublicString GetName () { at         returnname; -     } -      Public voidsetName (String name) { -          This. Name =name; -     } -      PublicInteger getage () { in         returnAge ; -     } to      Public voidsetage (Integer age) { +          This. Age =Age ; -     } the  *}

1  Packagecn.happy.test;2 3 Importorg.hibernate.SessionFactory;4 Importorg.hibernate.Transaction;5 Importorg.hibernate.cfg.Configuration;6 Importorg.hibernate.classic.Session;7 Importorg.junit.Test;8 9 Importcn.happy.entity.Student;Ten /** One * Increase A  * @authorAdministrator -  * -  */ the  Public classAddtest { - @Test -      Public voidaddtest () { -Student stu=NewStudent (); +Stu.setid (1); -Stu.setname ("Zhang San"); +Stu.setage (18); AConfiguration cf=NewConfiguration (). Configure ("Hibernate.cfg.xml"); atSessionfactory factory =cf.buildsessionfactory (); -Session session =factory.opensession (); -Transaction tx =session.begintransaction (); -         //Save - Session.save (stu); - tx.commit (); in session.close (); -     } to  +      -}

1  Packagecn.happy.test;2 3 Importorg.hibernate.Session;4 Importorg.hibernate.Transaction;5 Importorg.junit.Test;6 7 Importcn.happy.entity.Student;8 ImportCn.happy.util.HibernateUtil;9 /**Ten * Delete One  * @authorAdministrator A  * -  */ -  Public classDeltest { the @Test -      Public voiddeltest () { -Session session =hibernateutil.getsession (); -Student stu=NewStudent (); +Stu.setid (1); -Transaction tx =session.begintransaction (); + Session.delete (stu); A tx.commit (); at hibernateutil.closesession (); -System.out.println ("Del ok!"); -     } -  -}

1  Packagecn.happy.test;2 3 Importorg.hibernate.Session;4 Importorg.hibernate.Transaction;5 Importorg.junit.Test;6 7 Importcn.happy.entity.Student;8 ImportCn.happy.util.HibernateUtil;9 /**Ten * Enquiry One  * @authorAdministrator A  * -  */ -  Public classGettest { the @Test -      Public voidgettest () -     { -Session session =hibernateutil.getsession (); +Student stu= (Student) session.get (Student.class, 1); -Transaction tx=session.begintransaction (); + System.out.println (stu); A     } at  -}

 Packagecn.happy.test;Importorg.hibernate.Session;Importorg.hibernate.Transaction;Importorg.junit.Test;Importcn.happy.entity.Student;ImportCn.happy.util.HibernateUtil;/*** Change *@authorAdministrator **/ Public classupdatetest {@Test Public voidUpdatetest () {Session session=hibernateutil.getsession (); Student Stu= (Student) session.load (Student.class, 1); Stu.setname ("Lee Short"); Transaction TX=session.begintransaction ();        Session.update (Stu);        Tx.commit ();        Hibernateutil.closesession (); System.out.println ("OK"); }}

Hibernate frame additions and deletions change