需要在提供者的启动类上加上@EnableDiscoveryClient注解

@GetMapping("/payment/discovery")public Object discovery(){List<String> services = discoveryClient.getServices();services.forEach(service -> log.info("服务名字为:"+service) );List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");instances.forEach(instance ->log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri()));return this.discoveryClient;}

访问http://localhost:8001/payment/discovery

后台显示

 在网页中请求显示

 其中Eureka的注册中心有以下服务