FeignClient 代码示例

Client端

UserController

@RestController
@RequestMapping("userClient")
public class UserController {

    @Autowired
    private UserClient userClient;

    @RequestMapping(value = "getUser/{userId}", method = RequestMethod.GET)
    public User getUser(@PathVariable("userId") String userId){
        return userClient.getUser(userId);
    }

    @RequestMapping(value = "saveUser", method = RequestMethod.POST)
    public String saveUser(User user){

        return userClient.saveUser(user);
    }

    @RequestMapping(value = "deleteUser/{userId}", method = RequestMethod.GET)
    public Boolean deleteUser(@PathVariable("userId") String userId){

        return userClient.deleteUser(userId);
    }

    @RequestMapping(value = "findUserByUserNameAndPassword")
    public User findUserByUserNameAndPassword(String userName, String password){

        System.out.println("userClient--->" + userName + "  password--->" + password);

        return userClient.findUserByUserNameAndPassword(userName, password);
    }

}

User

public class User implements Serializable {

    /** serialVersionUID. */
    private static final long serialVersionUID = 1L;

    /** id 主键. */
    private String id;

    /** 用户名. */
    private String userName;

    /** 密码. */
    private String password;

    /** 用户类型. */
    private Integer userType;

    /** 注册时间. */
    private Date registerTime;

    /** 是否有效 0 有效 1 无效. */
    private String validity;

    /** 创建时间. */
    private Date createDate;

    /** 更新时间. */
    private Date updateDate;

    /** 删除标记. */
    private String delFlag;

UserClient

@FeignClient("springcloud-userservcie")
public interface UserClient {

    @RequestMapping(value = "userService/getUser/{userId}", method = RequestMethod.GET)
    public User getUser(@PathVariable("userId") String userId);

    @RequestMapping(value = "userService/saveUser", method = RequestMethod.POST)
    public String saveUser(User user);

    @RequestMapping(value = "userService/deleteUser/{userId}", method = RequestMethod.GET)
    public Boolean deleteUser(@PathVariable("userId") String userId);

    @RequestMapping(value = "userService/findUserByUserNameAndPassword", method = RequestMethod.GET)
    public User findUserByUserNameAndPassword(@RequestParam("userName") String userName, @RequestParam("password") String password);    

}

Service端

UserServiceController

@RestController
@RequestMapping("userService")
public class UserServiceController {

    @GetMapping("getUser/{userId}")
    public User getUser(@PathVariable("userId") String userId){

        System.out.println("获取User,更具UserId，查询User-->" + userId);

        User user = new User();
        user.setUserName("Tom");
        user.setPassword("123");
        user.setUserType(1);
        user.setRegisterTime(new Date());
        user.setValidity("0");

        return user;

    }

    @PostMapping("saveUser")
    public String saveUser(@RequestBody User user){

        System.out.println("保存User--->" + JSON.toJSONString(user));

        return "userId:010100100101";
    }

    @GetMapping("deleteUser/{userId}")
    public Boolean deleteUser(@PathVariable("userId") String userId){

        System.out.println("删除用户--->" + userId);

        return true;
    }

    @RequestMapping(value = "findUserByUserNameAndPassword")
    public User findUserByUserNameAndPassword(String userName, String password){

        System.out.println("userService--->" + userName + "  password--->" + password);

        User user = new User();
        user.setUserName("Tomcat");
        user.setPassword("123");
        user.setUserType(1);
        user.setRegisterTime(new Date());
        user.setValidity("0");

        return user;
    }