Java 开发基础面试题，【springcloud

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发布于: 1 小时前

server:

port: 7001

spring:

application:

name:  cloud-eureka-service

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eureka:

instance:

hostname: eureka7001

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client:

#false表示不向注册中心注册自己
register-with-eureka: false
#false表示自己就是注册中心，我的职责是维护服务实例，并不需要去检索服务
fetch-registry: false
service-url:
  #设置与eureka server交互的地址查询服务和注册服务都依赖这个地址
  defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

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[](https://gitee.com/vip204888/java-p7)4\. 测试
-------------------------------------------------------------------------


![](https://static001.geekbang.org/infoq/60/60d579e8f017c8fafaeeae6ebd86dc46.png)


[](https://gitee.com/vip204888/java-p7)三、Eureka Server集群部署
======================================================================================


[](https://gitee.com/vip204888/java-p7)1\. pom依赖引用(和单机版一致)
--------------------------------------------------------------------------------------

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    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
    </dependency>
    <!--web相关-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-actuator</artifactId>
    </dependency>

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[](https://gitee.com/vip204888/java-p7)2\. 配置启动类
----------------------------------------------------------------------------

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//eureka-7001

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

//表示服务注册中心

@EnableEurekaServer

@SpringBootApplication

public class EurekaApplication {

public static void main(String[] args) {
    SpringApplication.run(EurekaApplication.class,args);
}

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}

//eureka-7002

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

//表示服务注册中心

@EnableEurekaServer

@SpringBootApplication

public class EurekaApplication {

public static void main(String[] args) {
    SpringApplication.run(EurekaApplication.class,args);
}

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}




[](https://gitee.com/vip204888/java-p7)3\. yml配置
----------------------------------------------------------------------------

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7001

server:

port: 7001

spring:

application:

name:  cloud-eureka-service

复制代码

eureka:

instance:

hostname: eureka7001

复制代码

client:

#false表示不向注册中心注册自己
register-with-eureka: false
#false表示自己就是注册中心，我的职责是维护服务实例，并不需要去检索服务
fetch-registry: false
service-url:
  #设置与eureka server交互的地址查询服务和注册服务都依赖这个地址
  defaultZone: http://eureka7002:7002/eureka/

复制代码

7002

server:

port: 7002

spring:

application:

name:  cloud-eureka-service

复制代码

eureka:

instance:

hostname: eureka7002

复制代码

client:

#false表示不向注册中心注册自己
register-with-eureka: false
#false表示自己就是注册中心，我的职责是维护服务实例，并不需要去检索服务
fetch-registry: false
service-url:
  #设置与eureka server交互的地址查询服务和注册服务都依赖这个地址
  defaultZone: http://eureka7001:7001/eureka/

复制代码




[](https://gitee.com/vip204888/java-p7)4\. 测试
-------------------------------------------------------------------------


![](https://static001.geekbang.org/infoq/33/330c92e2ba211e35573a29e4f8462a74.png)


![](https://static001.geekbang.org/infoq/c6/c676698b7f873386796861c319316201.png)


[](https://gitee.com/vip204888/java-p7)四、Eureka client部署（服务消费者和服务提供者）
=================================================================================================


[](https://gitee.com/vip204888/java-p7)1\. pom依赖引入
------------------------------------------------------------------------------

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    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    </dependency>
    <!--web相关-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>

复制代码




[](https://gitee.com/vip204888/java-p7)2\. 配置主启动类
-----------------------------------------------------------------------------

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import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

@EnableEurekaClient

@SpringBootApplication

public class PaymentApplication {

public static void main(String[] args) {
    SpringApplication.run(PaymentApplication.class,args);
}

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}




[](https://gitee.com/vip204888/java-p7)3\. yml配置
----------------------------------------------------------------------------

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server:

port: 8888

eureka:

client:

register-with-eureka: true
fetch-registry: true
service-url:
  defaultZone: http://eureka7001:7001/eureka,http://eureka7002:7002/eureka

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instance:

prefer-ip-address: true
instance-id: payment-8888

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[](https://gitee.com/vip204888/java-p7)4\. 测试
-------------------------------------------------------------------------


![](https://static001.geekbang.org/infoq/0e/0e378281f596ec3c150384cb472767f1.png)


[](https://gitee.com/vip204888/java-p7)五、配置actuator信息
=================================================================================

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eureka:

client:

register-with-eureka: true
fetch-registry: true
service-url:
  defaultZone: http://eureka7001:7001/eureka,http://eureka7002:7002/eureka

复制代码

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Java 开发基础面试题，【springcloud

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