跟我学Spring Cloud（Finchley版）-14-Feign使用Hystrix

Feign默认已经整合了Hystrix，本节详细探讨Feign使用Hystrix的具体细节。服务降级1 加配置，默认Feign是不启用Hystrix的，需要添加如下配置启用Hystrix，这样所有的Feign Client都会受到Hystrix保护！feign:  hystrix:    enabled: true2 提供Fallback：@FeignClient(name = "microservice-provider-user", fallback = UserFeignClientFallback.class)public interface UserFeignClient {  @GetMapping("/users/{id}")  User findById(@PathVariable("id") Long id);}@Componentclass UserFeignClientFallback implements UserFeignClient {  @Override  public User findById(Long id) {    return new User(id, "默认用户", "默认用户", 0, new BigDecimal(1));  }}获得造成fallback的原因@FeignClient(name = "microservice-provider-user", fallbackFactory = UserFeignClientFallbackFactory.class)public interface UserFeignClient {  @GetMapping("/users/ ………………………………