ConfigCenterConfig configCenter = ConfigManager.getInstance().getConfigCenter().get();



            DynamicConfigurationFactory factories = ExtensionLoader
                        .getExtensionLoader(DynamicConfigurationFactory.class)
                        .getExtension(configCenter.toUrl().getProtocol());
            DynamicConfiguration configuration = factories.getDynamicConfiguration(configCenter.toUrl());

            //获取全局配置
            String globalString =  configuration.getConfig(configCenter.getConfigFile(), configCenter.getGroup());
            //获取应用配置
            String appString = configuration.getConfig
                    (StringUtils.isNotEmpty(configCenter.getAppConfigFile()) ? configCenter.getAppConfigFile() : configCenter.getConfigFile(),
                            ConfigManager.getInstance().getApplication().get().getName()
                           );

            System.out.println(globalString);
            System.out.println(appString);
            //全局配置监听
            configuration.addListener("dubbo.dubbo.properties", new ConfigurationListener() {

                @Override
                public void process(ConfigChangeEvent event) {
                    System.out.println(event.getKey()+" - "+event.getValue()+"  "+event.getChangeType().name());
                }

            });
            //应用配置监听
            configuration.addListener("testAPP.dubbo.properties", new ConfigurationListener() {

                @Override
                public void process(ConfigChangeEvent event) {
                    System.out.println(event.getKey()+" = "+event.getValue()+"  "+event.getChangeType().name());
                }

            });

https://blog.csdn.net/qq_24210767/article/details/81736297