Eureka 服务注册与发现01——单机版
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Eureka 服务注册与发现01——单机版
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cloud-eureka-server7001 的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"><parent><artifactId>dym_cloud2021</artifactId><groupId>com.atguigu.springcloud</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>cloud-eureka-server7001</artifactId><dependencies><!--eureka-server--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-server</artifactId></dependency><!-- 引入自己定義的api通用包，可以使用Payment支付Entity --><dependency><groupId>com.atguigu.springcloud</groupId><artifactId>cloud-api-commons</artifactId><version>${project.version}</version></dependency><!--boot web actuator--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><!--一般通用配置--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId></dependency></dependencies></project>application.yml
server:port: 7001eureka:instance:hostname: eureka7001.com #eureka服務端的實例名稱client:register-with-eureka: false #false表示不向注冊中心注冊自己。fetch-registry: false #false表示自己端就是注冊中心，我的職責就是維護服務實例，并不需要去檢索服務service-url:#集群指向其它eureka#defaultZone: http://eureka7002.com:7002/eureka/#單機就是7001自己# defaultZone: http://eureka7001.com:7001/eureka/defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/#server:#關閉自我保護機制，保證不可用服務被及時踢除#enable-self-preservation: false#eviction-interval-timer-in-ms: 2000EurekaMain7001.java
package com.dym.springcloud;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;@SpringBootApplication @EnableEurekaServer public class EurekaMain7001 {public static void main(String[] args) {SpringApplication.run(EurekaMain7001.class,args);} }<!--eureka-client--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-client</artifactId></dependency>
eureka:client:#表示是否將自己注冊進EurekaServer默認為true。register-with-eureka: true#是否從EurekaServer抓取已有的注冊信息，默認為true。單節點無所謂，集群必須設置為true才能配合ribbon使用負載均衡fetchRegistry: trueservice-url:#單機版defaultZone: http://localhost:7001/eureka# 集群版#defaultZone: http://eureka7001.com:7001/eureka,http://eureka7002.com:7002/eurekainstance:instance-id: payment8001#訪問路徑可以顯示IP地址prefer-ip-address: true#Eureka客戶端向服務端發送心跳的時間間隔，單位為秒(默認是30秒)#lease-renewal-interval-in-seconds: 1#Eureka服務端在收到最后一次心跳后等待時間上限，單位為秒(默認是90秒)，超時將剔除服務#lease-expiration-duration-in-seconds: 2
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<!--eureka-client--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-client</artifactId></dependency>
application.yml
server:port: 80spring:application:name: cloud-order-serviceeureka:client:#表示是否將自己注冊進EurekaServer默認為true。register-with-eureka: true#是否從EurekaServer抓取已有的注冊信息，默認為true。單節點無所謂，集群必須設置為true才能配合ribbon使用負載均衡fetchRegistry: trueservice-url:#單機版defaultZone: http://localhost:7001/eureka總結
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