| package com.springcloudme.servicetp; | 
|   | 
| import com.springcloudme.servicetp.UserClientFallback; | 
| import org.springframework.cloud.openfeign.FeignClient; | 
| import org.springframework.web.bind.annotation.RequestMapping; | 
|   | 
| @FeignClient(value = "service-api", fallback = UserClientFallback.class) | 
| public interface UserClient { | 
|   | 
|     @RequestMapping("/user/hi") // 对应 service-api 服务的 /user/hi的绝对路由 | 
|     String hi(); | 
|   | 
| } |