spring:

  application:

    name: feign

server:

  port: 8766

eureka:

  client:

    serviceUrl:

      defaultZone: http://localhost:8761/eureka/

feign:

  hystrix:

    enabled: true

package com.dzpykj.hystrixService;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.stereotype.Component;

import com.dzpykj.feignInterface.HelloInterface;

@Component

public class HystrixErrorFallBack implements HelloInterface {

    @Value("${server.port}")

    String port;

    @Override

    public String hello(String name) {

        return "Sorry "+name+",when you are visting feign hystrix project,port:"+port+",you meet an error";

    }

}

package com.dzpykj.feignInterface;

import org.springframework.cloud.netflix.feign.FeignClient;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestParam;

import com.dzpykj.hystrixService.HystrixErrorFallBack;

@FeignClient(value = "eurekaclient",fallback = HystrixErrorFallBack.class) //value为要负载均衡的spring.application.name

public interface HelloInterface {

    @RequestMapping("/hi") //负载均衡目标工程里面的哪个方法

    public String hello(@RequestParam(value="name") String name);

}