Hibernate Series 3-----Modification

Just modify the test class, first look at the other code of the classmate, please look at my blog Hibernate1, hey, I'm not here to rewrite it again

1 @Test 2      Public void testhibernate () {3         updatestudent ();  // Modify Student 4     

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1 Private voidupdatestudent () {2         //02Hibernate Save3         //read the large configuration file to get the database information of the connection4Configuration cfg=NewConfiguration (). Configure ();5         //3 Creating Sessionfactory6Sessionfactory factory=cfg.buildsessionfactory ();7         //Processing Session8Session session=factory.opensession ();9         //Open TransactionTenTransaction tx=session.begintransaction (); One         //5Hibernate A         //make data manipulation changes according to the session method -        //1. Get the object for hibernate context tracking -Student Student=session.load (Student.class,2); the         //2. Simulate re-assignment of students ' properties -Student.setname ("Lasting"); -         //3. Call Update -     /*session.update (student);*/   //dirty Check mechanism +         //Commit a transaction - tx.commit (); +         //Close Session A session.close (); atSystem. out. println ("Success OK"); -  -}

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Knowledge Point: Here to examine the dirty check mechanism (about its deeds, in a few days I will blog)

So Session.update (student), the words can not be written

Hibernate Series 3-----Modification