springcloud常用元件簡明筆記

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hoxton.sr4spring-cloud.version
>
properties
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>
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org.springframework.cloudgroupid
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spring-cloud-dependenciesartifactid
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$version
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pomtype
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importscope
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dependency
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dependencies
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dependencymanagement
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org.springframework.cloud

spring-cloud-starter-netflix-eureka-server

eureka

:instance
:hostname
: eureka8090.com
client
:# 是否將自己註冊到eureka server
register-with-eureka
:false
# 是否從eureka server獲取註冊資訊
fetch-registry
:false
serviceurl
:defaultzone
:

@enableeurekaserver

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org.springframework.cloudgroupid
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spring-cloud-starter-netflix-eureka-clientartifactid
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dependency
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eureka

:client
:service-url
:defaultzone
:

@enableeurekaclient

1.pom依賴

spring-cloud-dependencies

spring-cloud-starter-netflix-eureka-client

eureka

:client
:service-url
:defaultzone
: http://localhost:8090/eureka

@enableeurekaclient

@enablediscoveryclient

discoveryclient client

1.pom依賴

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org.springframework.cloudgroupid
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spring-cloud-starter-netflix-ribbonartifactid
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dependency
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eureka

:client
:register-with-eureka
:false
serviceurl
:defaultzone
:

@configuration

public
class
restconfig
}

@enablediscoveryclient

@service

public
class
ribbonservice
}

1.pom依賴

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org.springframework.cloudgroupid
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spring-cloud-starter-openfeignartifactid
>
dependency
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eureka

:client
:register-with-eureka
:false
serviceurl
:defaultzone
:

@enablefeignclients

@enablediscoveryclient

@feignclient

("service-hi"
)public
inte***ce
scheduleservicehi")
string sayhifromclientone
(@pathvariable
("name"
) string name)
;}

@autowired

scheduleservicehi scheduleservicehi;

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

eureka.client

@hystrixcommand

(fallbackmethod =
"hierror"
)public string getservicehi
(string name)
public string hierror
(string name)
@enablehystrix
@enablediscoveryclient

feign.hystrix.enabled: true

實現呼叫服務的介面，放入fallback中
在呼叫服務的介面註解上加上fallback
@feignclient(value = "service-hi", fallback = scheduleservicehiimpl.class)
@enablediscoveryclient
@enablefeignclients

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