Spring Cloud中如何断路器聚合监控

Spring Cloud中如何断路器聚合监控，很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。

一、准备工作

把以前的项目 service-feign 进行同样的改造。

二、新建maven项目service_turbine

1、新建pom.xml

  4.0.0  wg  service_turbine  0.0.1-SNAPSHOT  jar  service_turbine  http://maven.apache.org      UTF-8    UTF-8    Greenwich.RELEASE    1.8        org.springframework.boot    spring-boot-starter-parent    2.1.1.RELEASE                       org.springframework.boot        spring-boot-starter-actuator                  org.springframework.cloud        spring-cloud-starter-netflix-hystrix                        org.springframework.cloud        spring-cloud-starter-netflix-hystrix-dashboard                  org.springframework.cloud        spring-cloud-starter-netflix-eureka-client                org.springframework.boot        spring-boot-starter-web                org.springframework.cloud        spring-cloud-starter-openfeign                  org.springframework.cloud         spring-cloud-starter-netflix-turbine               junit      junit      test                          org.springframework.cloud        spring-cloud-dependencies        ${spring-cloud.version}        pom        import            

2、新建ServiceTurbineApplication.java

package wg;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;import org.springframework.cloud.client.discovery.EnableDiscoveryClient;import org.springframework.cloud.netflix.eureka.EnableEurekaClient;import org.springframework.cloud.netflix.hystrix.EnableHystrix;import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;import org.springframework.cloud.netflix.turbine.EnableTurbine;import org.springframework.cloud.openfeign.EnableFeignClients;@SpringBootApplication@EnableEurekaClient@EnableDiscoveryClient@EnableFeignClients@EnableHystrix@EnableHystrixDashboard@EnableCircuitBreaker@EnableTurbinepublic class ServiceTurbineApplication {        public static void main(String[] args) {        SpringApplication.run( ServiceTurbineApplication.class, args );    }}

3、新建application.yml

server:  port: 8767spring:  application:    name: service-turbineeureka:  client:    serviceUrl:      defaultZone: http://localhost1:8761/eureka/,http://localhost2:8861/eureka/management:  endpoints:    web:      exposure:        include: "*"      cors:        allowed-origins: "*"        allowed-methods: "*"turbine:  app-config: service-feign,service-ribbon  aggregator:    clusterConfig: default  clusterNameExpression: new String("default")  combine-host: true  instanceUrlSuffix:    default: actuator/hystrix.stream

4、启动项目，访问：http://localhost:8767/turbine.stream

5、访问：http://localhost:8764/hystrix ，填写内容

6、点击监控，然后访问：http://localhost:8765/hello，http://localhost:8764/hello

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