跨部署微服务平台双十一促销活动

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

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

    @RestController
    class ProviderController {
        @GetMapping("/hello")
        public String hello(@RequestParam String name) {
            return "Hello, " + name;
        }
    }
}

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

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

    @RestController
    class ConsumerController {
        @Autowired
        private RestTemplate restTemplate;

        @GetMapping("/consume")
        public String consume(@RequestParam String name) {
            return restTemplate.getForObject("http://provider/hello?name=" + name, String.class);
        }
    }
}