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  • Hystrix 服务降级二(客户端降级)

    1:pom

          <!--  hystrix  -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
            </dependency>

    2:yml

      hystrix:
        enabled: true

    3:service

    @Component
    @FeignClient(value = "CLOUD-PAYMENT-HYSTRIX-SERVICE", fallback = PaymentServiceImpl.class)
    public interface PaymentService {
    
        @GetMapping(value = "/payment/ok")
        BaseResult paymentInfo_OK();
    
        @RequestMapping("/payment/timeOut")
        BaseResult paymentInfo_TimeOut();
        
    }

    4:serviceImpl

    @Component
    public class PaymentServiceImpl implements PaymentService {
        @Override
        public BaseResult paymentInfo_OK() {
            Object obj = "PaymentServiceImpl paymentInfo_OK fall back";
            return new BaseResult(-1, "error", obj);
        }
    
        @Override
        public BaseResult paymentInfo_TimeOut() {
            Object obj = "PaymentServiceImpl paymentInfo_TimeOut fall back";
            return new BaseResult(-1, "error", obj);
        }
    }

    5:controller

        @RequestMapping("/timeOut")
        public BaseResult paymentInfo_TimeOut() {
            return paymentService.paymentInfo_TimeOut();
        }

    调用timeOut接口

      

    {"code":-1,"message":"error","t":"PaymentServiceImpl paymentInfo_TimeOut fall back"}

      一般使用该方式做降级处理

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  • 原文地址:https://www.cnblogs.com/draymond/p/12747875.html
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