spring cloud gateway 服务降级

今天药忘吃喽~ 2023-07-02 03:13 62阅读 0赞

spring cloud gateway 服务降级

#

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参数配置类

SpringCloudCircuitBreakerFilterFactory.Config

  1. public abstract class SpringCloudCircuitBreakerFilterFactory extends AbstractGatewayFilterFactory<SpringCloudCircuitBreakerFilterFactory.Config> {
  3. *************
  4. 内部类
  6.     public static class Config implements HasRouteId {
  7.         private String name;
  8.         private URI fallbackUri;
  9.         private String routeId;
  11.         public Config() {

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示例

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配置文件

application.yml

  1. spring:
  2.   cloud:
  3.     gateway:
  4.       routes:
  5.         - id: fallback-route
  6.           uri: http://localhost:8080
  7.           predicates:
  8.             - Path=/hello2
  9.           filters:
  10.             - name: CircuitBreaker
  11.               args:
  12.                 name: myCircuitBreaker
  13.                 fallbackUri: /fallback

***************

controller层

  1. @RestController
  2. public class HelloController {
  4.     @RequestMapping("/hello")
  5.     public String hello(){
  6.         return "success";
  7.     }
  9.     @RequestMapping("/fallback")
  10.     public String fallback(){
  11.         return "请稍后重试";
  12.     }
  13. }

localhost:8080/hello2，返回：请稍后重试

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