@GetMapping("/echo/{string}")
	public String echo(@PathVariable String string) {
		return "hello Nacos Discovery " + string;
	}
Provide interfaces to consumers.

@author fangjian0423, MieAh
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-provider-example/src/main/java/com/alibaba/cloud/examples/EchoController.java