<spring-boot.version>2.7.6</spring-boot.version>

<spring-cloud.version>2021.0.3</spring-cloud.version>

<spring-cloud-alibaba.version>2021.0.5.0</spring-cloud-alibaba.version>

<dependencies>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
        </dependency>
</dependencies>

spring:
  application:
    name: nacos-config   # 遠(yuǎn)程nacos的Data ID
  cloud:
    nacos:
      server-addr: 127.0.0.1:8848  # 遠(yuǎn)程nacos的ip地址
      config:
        # namespace: 值為命名空間ID，不是命名空間名稱
 
        file-extension: yaml  #指定遠(yuǎn)程文件的格式
        # 如果服務(wù)名和遠(yuǎn)程的Data ID不同，可以通過(guò)以下方式來(lái)引入多個(gè)遠(yuǎn)程文件
        extension-configs:  
          - data-id: mysql-config.yml
            refresh: true
          - data-id: redis-config.yml
            refresh: true

@SpringBootApplication
public class NacosConfigApplication {
    public static void main(String[] args) throws InterruptedException {
        ConfigurableApplicationContext context = SpringApplication.run(NacosConfigApplication.class, args);
        while (true){
            String name = context.getEnvironment().getProperty("user.name");
            String age = context.getEnvironment().getProperty("user.age");
            System.out.println("name="+name+"\t age="+age);
            TimeUnit.SECONDS.sleep(2);
        }
    }
}