@Configuration@PropertySource("xx-${spring.profiles.active}.properties")public class TopologyContext {}

 

@Bean  @Profile({
    "uat", "prod"})

 

设置默认值很简单　　@Value("${NamesrvAddr:192.168.0.1}")　　private String namesrvAddr;

 

src/main/resources/xx-dev.properties

VM arguments -Dspring.profiles.active=dev