构建父工程-Eureka-Study

引入父依赖

<?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.wcy.hand</groupId>
    <artifactId>Eureka-Study</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>
    <modules>
<!--        Eureka-Client子模块-->
        <module>Eureka-Client</module> 
<!--        Eureka-Server子模块-->
        <module>Eureka-Server</module>
    </modules>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.5.RELEASE</version>
    </parent>
    <!--维护版本-->
    <dependencyManagement>
        <dependencies>
            <!--维护spring-cloud版本-->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Hoxton.SR6</version>
                <!--以pom版本引入-->
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

创建子模块

选择我们创建的父工程

构建Eureka客户端 --- Eureka-Client

pom文件

<?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">
    <parent>
        <artifactId>Eureka-Study</artifactId>
        <groupId>com.wcy.hand</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>Eureka-Client</artifactId>
    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-eureka-client -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
            <version>2.2.5.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

</project>

配置文件

defaultZone: http://localhost:8761/eureka,http://localhost:8762/eureka,http://localhost:8763/eureka

表示注册到这些Eureka中

server:
  port: 8989
spring:
  application:
    name: eureka-client
eureka:
  client:
    service-url:
      service-url:
        defaultZone: http://localhost:8761/eureka,http://localhost:8762/eureka,http://localhost:8763/eureka
#  instance:
#    lease-expiration-duration-in-seconds: 10 # 修改eureka server默认接受心跳的最大时间 默认90s
#    lease-renewal-interval-in-seconds: 5 # 指定客户端多久向服务端发送一次心跳 默认30s

构建Eureka服务端 --- Eureka-Server

pom文件

<?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">
    <parent>
        <artifactId>Eureka-Study</artifactId>
        <groupId>com.wcy.hand</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>Eureka-Server</artifactId>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
            <version>2.2.5.RELEASE</version>
        </dependency>

    </dependencies>

</project>

配置文件

server:
  port: 8761
spring:
  application:
    name: eureka-server
eureka:
  client:
    service-url:
      service-url:
        defaultZone: http://localhost:8761/eureka,http://localhost:8762/eureka,http://localhost:8763/eureka
      fetch-registry: false
      register-with-eureka: false
  server:
    enable-self-preservation: false # 关闭自我保护
    eviction-interval-timer-in-ms: 3000 # 超时3000毫秒清除