【hibernate 执行方法未插入数据库】hibernate的save方法成功执行，但是未插入到数据库

1 @Override
2     public void save(T t) {
3         this.getSession().save(t);
4     }

1 @Override
2     public void save(T t) {
3         // TODO Auto-generated method stub
4         dao.save(t);
5     }

1 @Override
2     @org.springframework.transaction.annotation.Transactional(propagation = Propagation.REQUIRED)
3     public void save(T t) {
4         // TODO Auto-generated method stub
5         dao.save(t);
6     }