spring cloud之hystrix學習筆記

入門示例

新增依賴

org.springframework.cloud

spring-cloud-starter-netflix-hystrix

新增註解@enablehystrix

@enablehystrix

public
class
}

@service

public
class
userserviceimpl
implements
userservice
else
}// 出錯呼叫該方法返回預設友好錯誤
public string defaultuser
(string username)
}

@restcontroller

public
class
usercontroller
}

feign中使用斷路器

新增依賴

>

>
>
org.springframework.cloudgroupid
>
>
spring-cloud-starter-openfeignartifactid
>
dependency
>
>
>
org.springframework.cloudgroupid
>
>
spring-cloud-starter-netflix-hystrixartifactid
>
dependency
>
dependencies
>

新增@enablefeignclients,@enablediscoveryclient註解

@enablehystrix

@enablefeignclients
public
class
}

# feign中hystrix 預設關閉

feign.hystrix.enabled=true

編寫feign介面類

@primary

@feignclient
(name =
"client-a"
, fallback = userfeignservicefallback.
class
)public
inte***ce
userfeignservice

@component

public
class
userfeignservicefallback
implements
userfeignservice
}

@restcontroller

public
class
userfeigncontroller
}

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