Spring Cloud配置中心客户端读取配置

<dependencies>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-eureka</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-config</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-aop</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.retry</groupId>
        <artifactId>spring-retry</artifactId>
    </dependency>
</dependencies>

@EnableDiscoveryClient
@SpringBootApplication
public class ServiceApplication {
    public static void main(String[] args) {
        SpringApplication.run(ServiceApplication.class, args);
    }
}

spring: 
  application: 
    name: config-client
  cloud:
    config:
      #username: 
      #password: 
      name: ${git.application}
      profile: ${git.profile}
      label: ${git.label}
      fail-fast: true
      retry:
        initial-interval: 2000
        max-attempts: 5
      discovery: 
        enabled: true
        service-id: config-center 
eureka:
  client: 
    serviceUrl:
      defaultZone: ${register-center.urls}

spring: 
  profiles: 
    active: config-client1
eureka:
  instance:
    prefer-ip-address: true  
    instance-id: ${spring.cloud.client.ipAddress}:${server.port}
    lease-expiration-duration-in-seconds: ${lease-expiration-duration-in-seconds}
    lease-renewal-interval-in-seconds: ${lease-renewal-interval-in-seconds}
---
spring: 
  profiles: config-client1
server: 
  port: ${config-client1.server.port}
---
spring: 
  profiles: config-client2
server: 
  port: ${config-client2.server.port}

... 
#git
git.application=application
git.profile=dev
git.label=master
...

@RestController
public class TestController {
    @Value("${username}")
    private String username;
...

spring-boot:run -Drun.profiles=config-client1 -P dev
spring-boot:run -Drun.profiles=config-client2 -P dev