SpringCloudEurekaDemo

package com.example.controller; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cloud.client.loadbalancer.LoadBalanced; import org.springframework.context.annotation.Bean; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.client.RestTemplate; @RestController public class UseController { @Autowired private RestTemplate template; @GetMapping("/query/{id}") public String queryProductInfo(@PathVariable("id")Integer id){ //不需要使用http:localhost:8081，使用applicationName就可以实现 String msg = template.getForObject("http://spring-cloud-eureka-provider:8081/product/"+id,String.class); System.out.println(msg); return msg; } }