spring的一些常用注解

1、@Controller
@Controller对应表现层的Bean，也就是Action

@Controllerpublic class Controller {}

2、@ Service
@Service对应的是业务层Bean

@Servicepublic class ServiceImpl implements Service {    @Resource    private Dao dao;}

3、@ Repository
@Repository对应数据访问层Bean

@Repositorypublic class DaoImpl implements Dao {    @Resource    private JdbcTemplate jdbcTemplate;}