cloud-demo第一次 SpringCloud服务拆分初探与案例解析

package com.yyl.order.service; import com.yyl.order.mapper.OrderMapper; import com.yyl.order.pojo.Order; import com.yyl.order.pojo.User; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.web.client.RestTemplate; @Service public class OrderService { @Autowired private OrderMapper orderMapper; @Autowired private RestTemplate restTemplate; public Order queryOrderById(Long orderId) { // 1.查询订单 Order order = orderMapper.findById(orderId); // 远程查询用户详细信息 // 2.url地址 String url = "http://localhost:8081/user/"+order.getUserId(); // 3.发起远程调用 User user = restTemplate.getForObject(url, User.class); // 4.存入order order.setUser(user); // 5.返回 return order; } }