Spring声明式事务和@Aspect的拦截顺序问题的解决

/**
 * 数据源切换切面
 * @author Matchstick
 */
@Aspect
@Order(1) //确保该切面在transaction之前执行
@Component
public class DataSourceSwitchAspect
{
 private Logger logger = LoggerFactory.getLogger(getClass());
 
 @Pointcut("@annotation(com.etu.multidatasource.test.datasource.DataSourceId)")
 public void pointcut(){}
 
 @Before("@annotation(dataSourceId)")
 public void switchDataSource(JoinPoint point, DataSourceId dataSourceId)
 {
 String dsId = dataSourceId.value();
 MultiDataSourceContextHolder.setDataSourceId(dsId);
 logger.debug("switch datasource -> {}", dsId);
 }

 @After("@annotation(dataSourceId)")
 public void restoreDataSource(JoinPoint point, DataSourceId dataSourceId)
 {
 MultiDataSourceContextHolder.removeDataSourceId();
 logger.debug("restore datasource -> {}",         MultiDataSourceContextHolder.getDefaultDataSourceId());
 }
}

@Bean
 public BeanNameAutoProxyCreator txProxy()
 {
 BeanNameAutoProxyCreator creator = new BeanNameAutoProxyCreator();
 creator.setInterceptorNames("txAdvice");
 creator.setBeanNames("*Service", "*ServiceImpl");
 creator.setProxyTargetClass(true);
 creator.setOrder(2);
 return creator;
 }

@Bean
 public AnnotationAwareAspectJAutoProxyCreator txProxy()
 {
 /*
  * 必须使用AspectJ方式的AutoProxy，这样才能和DataSourceSwitchAspect保持统一的aop拦截方式，否则不同的拦截方式会导致order失效
  */
 AnnotationAwareAspectJAutoProxyCreator c = new AnnotationAwareAspectJAutoProxyCreator();
 c.setInterceptorNames("txAdvice");
 c.setIncludePatterns(Arrays.asList("execution (public com.etu..*Service(..))"));
 c.setProxyTargetClass(true);
 c.setOrder(2);
 return c;
 }