springcloud alibaba-消费者模块注册到nacos

　　1. 新建消费者模块

　　2. 添加依赖（参照生产者模块，nacos 的依赖都是一样的）

　　3. 添加配置

server:
  port: 83
spring:
  application:
    name: nacos-order-consumer
  cloud:
    nacos:
      discovery:
        server-addr: localhost:8848
#自定义的配置
service-url:
  nacos-user-service: http://nacos-payment-provider

　　4. 主启动

@EnableDiscoveryClient
@SpringBootApplication
public class OrderNacos83Application {
    public static void main(String[] args) {
        SpringApplication.run(OrderNacos83Application.class, args);
    }
}

　　5. 业务类

@Configuration
public class ApplicationContextConfig {

    @Bean
    @LoadBalanced
    public RestTemplate restTemplate(){
        return new RestTemplate();
    }
}

　　对了，nacos具备负载均衡的能力，底层是使用的Ribbon

@RestController
public class Order83Controller {


    @Resource
    private RestTemplate restTemplate;

    @Value("${service-url.nacos-user-service}")
    private String serverURL;

    @GetMapping("/consumer/payment/nacos/{id}")
    public String paymentInfo(@PathVariable("id") Long id) {
        return restTemplate.getForObject(serverURL + "/payment/nacos/" + id, String.class);
    }
}

　　6. 测试。http://localhost:83/consumer/payment/nacos/2