SpringCloud整合ribbon的demo

package com.example.demo.user.controller; import com.example.demo.user.bean.UserBean; import org.apache.http.HttpEntity; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cloud.client.ServiceInstance; import org.springframework.cloud.client.discovery.DiscoveryClient; import org.springframework.cloud.client.loadbalancer.LoadBalancerClient; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.client.RestTemplate; import java.util.Arrays; import java.util.List; @RestController @RequestMapping("/user") public class UserController { @Autowired private RestTemplate restTemplate;//使用restTemplate请求User服务 private static final String REST_URL_PREFIX ="http://SERVICE-PROVIDER-USER"; @RequestMapping("/findAll") @ResponseBody public List<UserBean> queryAll() { String url = REST_URL_PREFIX+"/user/findAll"; UserBean[] userBeans = restTemplate.getForObject(url,UserBean[].class); return Arrays.asList(userBeans); } }