周立springcloud公开课课程源码

package com.itmuch.cloud.controller; import java.util.Arrays; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cloud.client.ServiceInstance; import org.springframework.cloud.client.loadbalancer.LoadBalancerClient; 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; import com.itmuch.cloud.entity.User; @RestController public class MovieController { @Autowired private RestTemplate restTemplate; @Autowired private LoadBalancerClient loadBalancerClient; @GetMapping("/movie/{id}") public User findById(@PathVariable Long id) { // http://localhost:7900/simple/ // VIP virtual IP // HAProxy Heartbeat return this.restTemplate.getForObject("http://microservice-provider-user/simple/" + id, User.class); } @GetMapping("/test") public String test() { ServiceInstance serviceInstance = this.loadBalancerClient.choose("microservice-provider-user"); System.out.println("111" + ":" + serviceInstance.getServiceId() + ":" + serviceInstance.getHost() + ":" + serviceInstance.getPort()); ServiceInstance serviceInstance2 = this.loadBalancerClient.choose("microservice-provider-user2"); System.out.println("222" + ":" + serviceInstance2.getServiceId() + ":" + serviceInstance2.getHost() + ":" + serviceInstance2.getPort()); return "1"; } @GetMapping("/list-all") public List<User> listAll() { // wrong // List<User> list = this.restTemplate.getForObject("http://microservice-provider-user/list-all", List.class); // for (User user : list) { // System.out.println(user.getId()); // } // right User[] users = this.restTemplate.getForObject("http://microservice-provider-user/list-all", User[].class); List<User> list2 = Arrays.asList(users); for (User user : list2) { System.out.println(user.getId()); } return list2; } }