淺談springcloud常用依賴和配置
更新時間:2021年05月31日 08:56:22 作者:放氣
鑒于很多小伙伴常問spring cloud常用依賴和配置,今天特地整理了本篇文章,文中有非常詳細(xì)的代碼示例,對正在學(xué)習(xí)的小伙伴們很有幫助,需要的朋友可以參考下
spring cloud常用依賴和配置整理
常用依賴
// pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.roit</groupId> <artifactId>config</artifactId> <version>1.0.0</version> <!-- 微服務(wù)的包 --> <packaging>pom</packaging> <!-- spring-boot 父工程 --> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.3.3.RELEASE</version> <relativePath/> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencyManagement> <dependencies> <!-- spring-cloud 依賴 https://spring.io/projects/spring-cloud --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>Hoxton.SR7</version> <type>pom</type> <scope>import</scope> </dependency> <!-- 啟動類長運(yùn)行配置 @SpringBootApplication --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- eureka 服務(wù)端 @EnableConfigServer http://localhost:8761 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId> </dependency> <!-- eureka 客戶端 @EnableEurekaClient --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-netflix-eureka-client</artifactId> </dependency> <!-- consul 注冊 http://localhost:8500/ui/dc1/services --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-consul-discovery</artifactId> </dependency> <!-- nacos 注冊 http://localhost:8848/nacos --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>nacos-client</artifactId> </dependency> <!-- feign 聲明式服務(wù)調(diào)用 替代 RestTemplate @EnableFeignClients --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-openfeign</artifactId> </dependency> <!-- hystrix 熔斷器,服務(wù)降級 @EnableCircuitBreaker --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-hystrix</artifactId> </dependency> <!-- hystrix 圖形化監(jiān)控,只能監(jiān)控一個服務(wù) @EnableHystrixDashboard http://localhost:8769/hystrix --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId> </dependency> <!-- turbine 聚合監(jiān)控 @EnableTurbine http://localhost:8769/turbine.stream --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-turbine</artifactId> </dependency> <!-- spring-boot 提供的監(jiān)控 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <!-- 網(wǎng)關(guān) --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-gateway</artifactId> </dependency> <!-- git 配置類服務(wù)端 @EnableConfigServer http://localhost/8888/master/config-dev.yml --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-config-server</artifactId> </dependency> <!-- git 配置類客戶端 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-config</artifactId> </dependency> <!-- bus-rabbitmq 消息總線,做 config 自動刷新 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-bus-amqp</artifactId> </dependency> <!-- stream-rabbitmq 發(fā)送消息 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-stream-rabbit</artifactId> </dependency> <!-- sleuth + zipkin 服務(wù)鏈路追蹤。需要 zipkin 的 jar包,圖形化查看地址 http://localhost:9411 --> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-zipkin</artifactId> </dependency> </dependencies> </dependencyManagement> </project>
配置
// application.yml # 設(shè)置端口 server: port: 8000 # 服務(wù)名 spring: application: name: eureka # eureka 配置 eureka: instance: hostname: localhost client: service-url: defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka # 是否需要將自己的路徑注冊到 eureka 服務(wù)端 register-with-eureka: true # 是否需要從 eureka 服務(wù)端抓取路徑 fetch-registry: true # consul spring: cloud: consul: host: localhost port: 8500 discovery: # 注冊到 consul 的服務(wù)名 service-name: ${spring.application.name} # 監(jiān)控界面顯示 ip prefer-ip-address: true # nacos spring: cloud: nacos: discovery: # 服務(wù)端地址 server-addr: 127.0.0.1:8848 # ribben 負(fù)載均衡策略 provider: ribbon: NFloadBalancerRuleClassName: com.netflix.loadbalancer.RandomRule # feign 超時配置, 集成了 ribbon ribbon: # 連接超時時間 默認(rèn) 1000ms ConnectTimeout: 1000 # 邏輯處理超時時間 默認(rèn) 1000ms ReadTimeout: 3000 #feign 集成了 hystrix,開啟 hystrix feign: hystrix: enabled: true # feign 設(shè)置日志級別,只支持 debug, 請求響應(yīng)的相關(guān)數(shù)據(jù) logging: level: com.roit.controller: debug # turbine 聚合監(jiān)控 turbine: combine-host-port: true # 配置監(jiān)控的服務(wù)名 app-config: provider,consumer cluster-name-expression: "'default'" aggregator: cluster-config: default #instanceUrlSuffix: /actuator/hystrix.stream # gateway 網(wǎng)關(guān) spring: cloud: gateway: routes: - id: provider # provider 的靜態(tài)訪問路徑 # uri: http://localhost:8001/ # 動態(tài) uri: lb://provider # 匹配規(guī)則 predicates: - Path=/goods/** # 局部過濾器 filters: - AddRequestParameter=username,zs discovery: locator: # 請求路徑加上微服務(wù)名稱,http://localhost/provider/goods/ 或 http://localhost/goods/ 都行 enabled: true # 默認(rèn)名稱大寫,改為允許小寫 lower-case-service-id: true # config 服務(wù)端 spring: cloud: config: server: # 文件的倉庫地址 git: uri: https://gitee.com/config.git # username: zs # password: 123 # 文件所在分支 label: master # config 客戶端,bootstrap.yml spring: cloud: config: # http://localhost:8888/master/config-dev.yml # config 服務(wù)端地址 # uri: http://localhost:8888 name: config profile: dev,redis label: master # 動態(tài)配置 config 服務(wù)端地址,先將config 服務(wù)端注冊到 eureka discovery: enabled: true # config 服務(wù)端的名字,大寫 service-id: config-server # config 客戶端 單服務(wù)自動刷新 # 1. 加依賴 actuator # 2. 獲取數(shù)據(jù)的 controller 上加@RefreshScope # 3. curl -X POST http://localhost:8001/actuator/refresh management: endpoints: web: exposure: # * 暴露所有;refresh 暴露自動刷新,/actuator/refresh。 include: '*' # bus 自動刷新,先給 config-server 發(fā)消息,再由 server 去通知所有的 config-client # bus-amqp 內(nèi)部使用 rabbitmq 發(fā)消息 # config-server 需暴露 bus-refresh 和 配置 rabbitmq # curl -X POST http://localhost:8888/actuator/bus-refresh include: 'bus-refresh' # config-client 需配置 rabbitmq 和 在獲取數(shù)據(jù)的 controller 上加 @RefreshScope spring: rabbitmq: host: localhost port: 5672 username: guest password: guest virtual-host: / # stream-rabbit spring: cloud: stream: binders: # 定義綁定器名稱 mybinder: type: rabbit # 指定 mq 的環(huán)境 environment: spring: rabbitmq: host: localhost port: 5672 username: guest password: guest virtual-host: / bindings: # 生產(chǎn)者 @EnableBinding(Source.class) output: # 消費(fèi)者 @EnableBinding(Sink.class), @StreamListener(Sink.INPUT) # input: binder: mybinder # 綁定的交換機(jī)名稱 destination: myexchange # sleuth + zipkin spring: zipkin: # zipkin 服務(wù)端路徑 base-url: http://lacalhost:9411/ sleuth: sampler: # 數(shù)據(jù)采集率 默認(rèn)0.1 probability: 0.1
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