在配置文件中配置多个consumer，可能@DubboReference引用不到正确consumer，永远只能取列表第一个consumer使用

server.port=8083

dubbo.application.name=rpc-two-consumer
dubbo.application.owner=com.test
dubbo.application.organization=test
dubbo.application.logger=slf4j
dubbo.application.compiler=javassist
dubbo.application.qosEnable=true

#RegistryConfig
dubbo.registries.registry-rpc-one.id=registry-rpc-one
dubbo.registries.registry-rpc-one.protocol=zookeeper
dubbo.registries.registry-rpc-one.client=curator
#两个不同集群的注册中心 其中一个
dubbo.registries.registry-rpc-one.address=localhost:2181
dubbo.registries.registry-rpc-one.group=dubbo/rpc-one-server

dubbo.consumers.consumer-rpc-one.registryIds=registry-rpc-one
dubbo.consumers.consumer-rpc-one.check=true
dubbo.consumers.consumer-rpc-one.timeout=15000

#dubbo.protocols.{protocol  bean name}.id
dubbo.registries.registry-rpc-two.id=registry-rpc-two
dubbo.registries.registry-rpc-two.protocol=zookeeper
dubbo.registries.registry-rpc-two.client=curator
#两个不同集群的注册中心 其中一个
dubbo.registries.registry-rpc-two.address=localhost:2181
dubbo.registries.registry-rpc-two.group=dubbo/rpc-two-server

dubbo.consumers.consumer-rpc-two.registryIds=registry-rpc-two
dubbo.consumers.consumer-rpc-two.check=true
dubbo.consumers.consumer-rpc-two.timeout=15000









* @see BeanDefinitionRegistryPostProcessor
 * @since 2.7.7
 */
public class ServiceAnnotationPostProcessor implements BeanDefinitionRegistryPostProcessor, EnvironmentAware,
        ResourceLoaderAware, BeanClassLoaderAware, ApplicationContextAware, InitializingBean {
    public static final String BEAN_NAME = "dubboServiceAnnotationPostProcessor";
    private final static List<Class<? extends Annotation>> serviceAnnotationTypes = asList(
            
            DubboService.class,
            
            Service.class,
            
            com.alibaba.dubbo.config.annotation.Service.class
    );
    private final Logger logger = LoggerFactory.getLogger(getClass());
    protected final Set<String> packagesToScan;
    private Set<String> resolvedPackagesToScan;
    private Environment environment;
    private ResourceLoader resourceLoader;
    private ClassLoader classLoader;
    private BeanDefinitionRegistry registry;
    private ServicePackagesHolder servicePackagesHolder;
    private volatile boolean scaned = false;
    public ServiceAnnotationPostProcessor(String... packagesToScan) {
        this(asList(packagesToScan));
    }
    public ServiceAnnotationPostProcessor(Collection<String> packagesToScan) {
        this(new LinkedHashSet<>(packagesToScan));
    }
    public ServiceAnnotationPostProcessor(Set<String> packagesToScan) {