Spring Cloud Gateway内置过滤器实战——Hystrix过滤器

亦凉 2021-07-25 01:59 536阅读 0赞

**一 代码位置**

[https://github.com/cakin24/spring-cloud-code/tree/master/ch17-3/ch17-3-7-gateway][https_github.com_cakin24_spring-cloud-code_tree_master_ch17-3_ch17-3-7-gateway]

[https://github.com/cakin24/spring-cloud-code/tree/master/ch17-3/ch17-3-service][https_github.com_cakin24_spring-cloud-code_tree_master_ch17-3_ch17-3-service]

**二 关键代码**

server:
      port: 8080
    spring:
      application:
        name: spring-cloud-gateway
    
    
    spring:
      cloud:
        gateway:
          routes:
          - id: prefix_route
            uri: http://localhost:8071/test/Hystrix?isSleep=true
            predicates:
            - Path=/test/Hystrix
            filters:
            - name: Hystrix # Hystrix Filter的名称
              args: # Hystrix配置参数
                name: fallbackcmd #HystrixCommand的名字
                fallbackUri: forward:/fallback #fallback对应的uri
    
    
    #Hystrix的fallbackcmd的时间
    hystrix.command.fallbackcmd.execution.isolation.thread.timeoutInMilliseconds: 5000
    
    
    logging:
      level:
        org.springframework.cloud.gateway: TRACE
        org.springframework.http.server.reactive: DEBUG
        org.springframework.web.reactive: DEBUG
        reactor.ipc.netty: DEBUG

**三 测试**

1 启动ch17-3-7-gateway

2 启动ch17-3-service

3 浏览器输入： [http://localhost:8080/test/Hystrix][http_localhost_8080_test_Hystrix]

4 超时后页面显示：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70][]

[https_github.com_cakin24_spring-cloud-code_tree_master_ch17-3_ch17-3-7-gateway]: https://github.com/cakin24/spring-cloud-code/tree/master/ch17-3/ch17-3-1-gateway
[https_github.com_cakin24_spring-cloud-code_tree_master_ch17-3_ch17-3-service]: https://github.com/cakin24/spring-cloud-code/tree/master/ch17-3/ch17-3-service
[http_localhost_8080_test_Hystrix]: http://localhost:8080/test/Hystrix
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NoZW5ncWl1bWluZw_size_16_color_FFFFFF_t_70]: /images/20210724/c2ef2367e655475a965ddd37bd62c7d7.png