@GetMapping("/sleep")
	public String sleep() {
		return restTemplate
				.getForObject(SERVICE_PROVIDER_ADDRESS + "/sleep", String.class);
	}
Example of remote invocation of service fusing and load balancing.

@author xiaojing, fangjian0423, MieAh
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-example/src/main/java/com/alibaba/cloud/examples/TestController.java