fallback方法混乱的问题解决

使用PaymentHystrixService的实现类
在PaymentHystrixService接口的@FeignClient注解的fallback属性值是它的降级实现类PaymentFallbackService.class

cloud-consumer-feign-hystrix-order80/src/main/java/com/afeiamic/springcloud/service/PaymentHystrixService.java

 package com.afeiamic.springcloud.service;
 
+import com.afeiamic.springcloud.service.fallback.PaymentFallbackService;
 import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.stereotype.Component;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 
 @Component
-@FeignClient(value = "CLOUD-PROVIDER-HYSTRIX-PAYMENT")
+@FeignClient(value = "CLOUD-PROVIDER-HYSTRIX-PAYMENT", fallback = PaymentFallbackService.class)
 public interface PaymentHystrixService {
 
     @GetMapping("/payment/hystrix/ok/{id}")

cloud-consumer-feign-hystrix-order80/src/main/java/com/afeiamic/springcloud/service/fallback/PaymentFallbackService.java

+package com.afeiamic.springcloud.service.fallback;
+
+import com.afeiamic.springcloud.service.PaymentHystrixService;
+import org.springframework.stereotype.Component;
+
+@Component
+public class PaymentFallbackService implements PaymentHystrixService {
+
+    @Override
+    public String paymentInfo_OK(Integer id) {
+        return "PaymentFallbackService fallback paymentInfo_OK, w(ﾟДﾟ)w";
+    }
+
+    @Override
+    public String paymentInfo_Timeout(Integer id) {
+        return "PaymentFallbackService fallback paymentInfo_Timeout, w(ﾟДﾟ)w";
+    }
+}

cloud-consumer-feign-hystrix-order80/src/main/resources/application.yml

@@ -6,7 +6,12 @@ eureka:
     register-with-eureka: false
     service-url:
       defaultZone: http://eureka7001.com:7001/eureka/,http://eureka7002.com:7002/eureka/
+# logging:
+#   level:
+#     # feign日志以什么级别监控哪个接口
+#     com.afeiamic.springcloud.service: debug
 
+# 用于服务降级 在注解@FeignClient中添加fallback属性值
 feign:
   hystrix:
     enabled: true