Springboot EntityManagerFactory 保存实体 没反应 数据库里没有

Question

@Repository("baseDao")
public class BaseDaoImpl implements IBaseDao {
    @Autowired
    private EntityManagerFactory entityManagerFactory;
    public Session getSession() {
        return entityManagerFactory.unwrap(SessionFactory.class).openSession();
    }
    @Override
    public <T> void saveOrUpdateNow(T clazz){
        Session session=this.getSession();
        session.merge(clazz); 
         //立即写入数据库并释放内存 
        session.flush(); 
        session.clear(); 
    }
    @Override
    @Transactional
    public <T> void saveOrUpdate(T clazz){
        Session session=this.getSession();
        //方法三
        session.saveOrUpdate(clazz);
        session.persist(clazz);
        session.clear();
        session.close();
    }

Answer 1

session.beginTransaction();
session.saveOrUpdate(t);
session.getTransaction().commit(); //提交下