SpringMVC + spring3.1.1 + hibernate4.1.0 集成及常见问题总结

hibernate-release-4.1.0.Final.zip
hibernate-validator-4.2.0.Final.jar
spring-framework-3.1.1.RELEASE-with-docs.zip
proxool-0.9.1.jar
log4j 1.2.16
slf4j -1.6.1
mysql-connector-java-5.1.10.jar
hamcrest 1.3.0RC2
ehcache 2.4.3

    <context:component-scan base-package="cn.javass">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

 
    <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <tx:method name="save*" propagation="REQUIRED" />
            <tx:method name="add*" propagation="REQUIRED" />
            <tx:method name="create*" propagation="REQUIRED" />
            <tx:method name="insert*" propagation="REQUIRED" />
            <tx:method name="update*" propagation="REQUIRED" />
            <tx:method name="merge*" propagation="REQUIRED" />
            <tx:method name="del*" propagation="REQUIRED" />
            <tx:method name="remove*" propagation="REQUIRED" />
            <tx:method name="put*" propagation="REQUIRED" />
            <tx:method name="use*" propagation="REQUIRED"/>
            <!--hibernate4必须配置为开启事务 否则 getCurrentSession()获取不到-->
            <tx:method name="get*" propagation="REQUIRED" read-only="true" />
            <tx:method name="count*" propagation="REQUIRED" read-only="true" />
            <tx:method name="find*" propagation="REQUIRED" read-only="true" />
            <tx:method name="list*" propagation="REQUIRED" read-only="true" />
            <tx:method name="*" read-only="true" />
        </tx:attributes>
    </tx:advice>
    <aop:config expose-proxy="true">
        <!-- 只对业务逻辑层实施事务 -->
        <aop:pointcut id="txPointcut" expression="execution(* cn.javass..service..*.*(..))" />
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointcut"/>
    </aop:config>

    <!-- 开启controller注解支持 -->
    <!-- 注：如果base-package=cn.javass 则注解事务不起作用-->
    <context:component-scan base-package="cn.javass.demo.web.controller">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

    <!-- 当在web.xml 中   DispatcherServlet使用     <url-pattern>/</url-pattern> 映射时，能映射静态资源 -->
    <mvc:default-servlet-handler/>
    <!-- 静态资源映射 -->
    <mvc:resources mapping="/images/**" location="/WEB-INF/images/" />
    <mvc:resources mapping="/css/**" location="/WEB-INF/css/" />
    <mvc:resources mapping="/js/**" location="/WEB-INF/js/" />

public abstract class BaseHibernateDao<M extends java.io.Serializable, PK extends java.io.Serializable> implements IBaseDao<M, PK> {

    protected static final Logger LOGGER = LoggerFactory.getLogger(BaseHibernateDao.class);

    private final Class<M> entityClass;
    private final String HQL_LIST_ALL;
    private final String HQL_COUNT_ALL;
    private final String HQL_OPTIMIZE_PRE_LIST_ALL;
    private final String HQL_OPTIMIZE_NEXT_LIST_ALL;
    private String pkName = null;

    @SuppressWarnings("unchecked")
    public BaseHibernateDao() {
        this.entityClass = (Class<M>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
        Field[] fields = this.entityClass.getDeclaredFields();
        for(Field f : fields) {
            if(f.isAnnotationPresent(Id.class)) {
                this.pkName = f.getName();
            }
        }

        Assert.notNull(pkName);
        //TODO @Entity name not null
        HQL_LIST_ALL = "from " + this.entityClass.getSimpleName() + " order by " + pkName + " desc";
        HQL_OPTIMIZE_PRE_LIST_ALL = "from " + this.entityClass.getSimpleName() + " where " + pkName + " > ? order by " + pkName + " asc";
        HQL_OPTIMIZE_NEXT_LIST_ALL = "from " + this.entityClass.getSimpleName() + " where " + pkName + " < ? order by " + pkName + " desc";
        HQL_COUNT_ALL = " select count(*) from " + this.entityClass.getSimpleName();
    }

    @Autowired
    @Qualifier("sessionFactory")
    private SessionFactory sessionFactory;

    public Session getSession() {
        //事务必须是开启的，否则获取不到
        return sessionFactory.getCurrentSession();
    }
……
}

@Service("UserService")
public class UserServiceImpl extends BaseService<UserModel, Integer> implements UserService {

    private static final Logger LOGGER = LoggerFactory.getLogger(UserServiceImpl.class);

    private UserDao userDao;

    @Autowired
    @Qualifier("UserDao")
    @Override
    public void setBaseDao(IBaseDao<UserModel, Integer> userDao) {
        this.baseDao = userDao;
        this.userDao = (UserDao) userDao;
    }

    @Override
    public Page<UserModel> query(int pn, int pageSize, UserQueryModel command) {
        return PageUtil.getPage(userDao.countQuery(command) ,pn, userDao.query(pn, pageSize, command), pageSize);
    }
}

    @Pattern(regexp = "[A-Za-z0-9]{5,20}", message = "{username.illegal}") //java validator验证（用户名字母数字组成，长度为5-10）
    private String username;

    @NotEmpty(message = "{email.illegal}")
    @Email(message = "{email.illegal}") //错误消息会自动到MessageSource中查找
    private String email;

    @Pattern(regexp = "[A-Za-z0-9]{5,20}", message = "{password.illegal}")
    private String password;

    @DateFormat( message="{register.date.error}")//自定义的验证器
    private Date registerDate;

    @RequestMapping(value = "/user/add", method = {RequestMethod.POST})
    public String add(Model model, @ModelAttribute("command") @Valid UserModel command, BindingResult result)

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = {"classpath:spring-config.xml"})
@Transactional
@TransactionConfiguration(transactionManager = "txManager", defaultRollback = true)
public class UserServiceTest {

    AtomicInteger counter = new AtomicInteger();

    @Autowired
    private UserService userService;
    ……  
}