Open-Feign整合hystrix降级熔断实战记录

server:
  port: 9000

spring:
  application:
    name: my-test2 #服务的名称

@RestController
public class ShoppingController {
    @RequestMapping("/myTestBuy2")
    public String myTestBuy2(){
        //用来模拟服务超时
        try {
            Thread.sleep(6000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "购买成功——时间："+ new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
    }
}

   <!--Open-Feign依赖-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>

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

server:
  port: 8000

spring:
  application:
    name: my-test1 #服务的名称

#允许服务降级配置
feign:
  hystrix:
    enabled: true

#自定义ribbon的超时时间 设置的要比hystrix-timeoutInMilliseconds超时时间大
ribbon:
  #指的是建立连接后从服务器读取到可用资源所用的时间。
  ReadTimeout: 10000
  #指的是建立连接所用的时间，适用于网络状况正常的情况下，两端连接所用的时间，处理请求的超时时间，默认为5秒。
  ConnectTimeout: 10000

hystrix:
  command:
    default:
      execution:
        isolation:
          thread:
            #feign整合hystrix 光设置Hystrix超时没用的 要配合ribbon超时
            timeoutInMilliseconds: 5000

my-test2:
  url: http://127.0.0.1:9000

@SpringBootApplication
@EnableFeignClients//开启open-feign
@EnableHystrix//开启降级熔断服务
public class MyTestApplication1 {
    public static void main(String[] args) {
        SpringApplication.run(MyTestApplication1.class,args);
    }
}

@RestController
public class TestController1 {
    @Autowired
    TestService1 testService1;

    @RequestMapping("/myTestBuy1")
    public String myTestBuy2(){
        return testService1.myTestBuy2();
    }

}

@Component
public class MyHystrix1 implements TestService1 {
    @Override
    public String myTestBuy2() {
        return "调用失败，该服务被熔断——时间："+ new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
    }
}

@FeignClient(name = "my-test2", url = "${my-test2.url}", fallback = MyHystrix1.class)
public interface TestService1 {
    @RequestMapping("/myTestBuy2")
    String myTestBuy2();
}