Spring cloud之eureka服務注冊

上一章搭建了eureka注冊中心，這章就寫搭建一個client服務注冊到注冊中心上去。

pom檔案：

<?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>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.1.1.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.zsy.cloud</groupId>
	<artifactId>eureka-client</artifactId>
	<version>1.0.0</version>
	<packaging>jar</packaging>
	<name>eureka-client</name>
	
	<properties>
		<java.version>1.8</java.version>
		<spring-cloud.version>Greenwich.M3</spring-cloud.version>
	</properties>
	
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<!--<dependency>-->
			<!--<groupId>org.springframework.boot</groupId>-->
			<!--<artifactId>spring-boot-starter-jdbc</artifactId>-->
		<!--</dependency>-->
		<!--<dependency>-->
			<!--<groupId>org.mybatis.spring.boot</groupId>-->
			<!--<artifactId>mybatis-spring-boot-starter</artifactId>-->
			<!--<version>1.3.2</version>-->
		<!--</dependency>-->
		<!-- eureka client-->
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
		</dependency>
		
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>
	
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>${spring-cloud.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
	
	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
	
	<repositories>
		<repository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>https://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</repository>
	</repositories>


</project>
           

yml檔案：

###服務啟動端口号
server:
  port: 8082
###服務名稱(服務注冊到eureka名稱)
spring:
  application:
    name: zsy-app
###服務注冊到eureka位址
eureka:
  client:
    service-url:
      defaultZone: http://localhost:8081/eureka
    ###冊自己到注冊中心
    register-with-eureka: true
    ###是否需要從eureka上擷取注冊資訊
    fetch-registry: true
  # 心跳檢測檢測與續約時間
  # 測試時将值設定設定小些，保證服務關閉後注冊中心能及時踢出服務
  instance:
    ###Eureka用戶端向服務端發送心跳的時間間隔，機關為秒（用戶端告訴服務端自己會按照該規則）
    lease-renewal-interval-in-seconds: 1
    ####Eureka服務端在收到最後一次心跳之後等待的時間上限，機關為秒，超過則剔除（用戶端告訴服務端按照此規則等待自己）
    lease-expiration-duration-in-seconds: 2
           

啟動類：

package com.zsy.cloud.eureka_client;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

@SpringBootApplication
@EnableEurekaClient
public class ClientApplication {
	
	public static void main(String[] args) {
		SpringApplication.run(ClientApplication.class, args);
	}
}
           

加入@EnableEurekaClient注解使其成為eureka的client

再次通路eureka的管理背景：

發現client已成功注冊進來。