spring cloud gateway 服务降级

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spring cloud gateway 服务降级

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参数配置类

SpringCloudCircuitBreakerFilterFactory.Config

public abstract class SpringCloudCircuitBreakerFilterFactory extends AbstractGatewayFilterFactory<SpringCloudCircuitBreakerFilterFactory.Config> {

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内部类

    public static class Config implements HasRouteId {
        private String name;
        private URI fallbackUri;
        private String routeId;

        public Config() {

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示例

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配置文件

application.yml

spring:
  cloud:
    gateway:
      routes:
        - id: fallback-route
          uri: http://localhost:8080
          predicates:
            - Path=/hello2
          filters:
            - name: CircuitBreaker
              args:
                name: myCircuitBreaker
                fallbackUri: /fallback

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controller层

@RestController
public class HelloController {

    @RequestMapping("/hello")
    public String hello(){
        return "success";
    }

    @RequestMapping("/fallback")
    public String fallback(){
        return "请稍后重试";
    }
}

localhost:8080/hello2，返回：请稍后重试