搭建EurekaServer，UserSerive和OrderSerive服务注册及负载均衡

package com.order.service; import com.order.dao.OrderDao; import com.order.entity.Order; import com.order.entity.User; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Service; import org.springframework.web.client.RestTemplate; @Service public class OrderService { @Autowired private OrderDao orderDao; @Autowired private RestTemplate restTemplate; /** * 根据id查询订单 * @param id * @return Order */ public Order findById(Long id){ // 1、获取订单信息 Order order = orderDao.findById(id); // 2、获取用户信息 String url = "http://userService/users/" + order.getUserId(); ResponseEntity<User> result = restTemplate.getForEntity(url, User.class); // 3、数据拼接 order.setUser(result.getBody()); return order; } }