@RestController
@RequestMapping("test")
public class TestController {

   @InjectService
   private UserService userService;

   @GetMapping("/user")
   public ApiResult<User> getUser(@RequestParam("id")Long id){
       return userService.getUser(id);
   }
}

import cn.sp.rpc.annotation.Service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Service
public class UserServiceImpl implements UserService{

   private static  Logger logger = LoggerFactory.getLogger(UserService.class);


   @Override
   public ApiResult<User> getUser(Long id) {
       logger.info("现在是【2】号提供服务");
       User user = new User(1L,"XX",2,"www.aa.com");
       return ApiResult.success(user);
   }
}