SpringBoot+SpringCloud+nacos+gateway+mybatis搭建微服务

package com.it.user.service; import com.it.feign.clients.ProductClient; import com.it.feign.pojo.Dept; import com.it.feign.pojo.Role; import com.it.user.mapper.UserMapper; import com.it.user.pojo.User; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.web.client.RestTemplate; import java.util.List; @Service public class UserService { @Autowired private UserMapper userMapper; @Autowired private ProductClient productClient; /** * 根据用户id查询用户信息以及所属角色和部门 * @param id * @return User */ public User queryById(Long id) { // 1.查询用户 User user = userMapper.findById(id); // 2.用Feign远程调用角色和部门 Role role = productClient.findByRoleId(user.getRoleId()); Dept dept = productClient.findByDeptId(user.getDeptId()); // 3.封装role和dept到user user.setRole(role); user.setDept(dept); // 4.返回 return user; } /** * 根据用户id查询用户信息以及所属角色和部门 * @param * @return */ public List<User> queryUsers() { // 1.查询用户 List<User> user = userMapper.findUsers(); for (User user1 : user) { // 2.用Feign远程调用角色和部门 Role role = productClient.findByRoleId(user1.getRoleId()); Dept dept = productClient.findByDeptId(user1.getDeptId()); // 3.封装role和dept到user user1.setRole(role); user1.setDept(dept); } // 4.返回 return user; } /*@Autowired private RestTemplate restTemplate; public User queryById(Long id) { // 1.查询用户 User user = userMapper.findById(id); // 2.利用RestTemplate发起http请求，查询角色 // 2.1.url路径 String url = "http://localhost:8080/role/" + user.getRoleId(); // 2.2.发送http请求，实现远程调用 Role role = restTemplate.getForObject(url, Role.class); // 3.封装role到user user.setRole(role); // 4.返回 return user; }*/ }