Eureka之服务注册
本文介绍微服务作为Eureka Client如何注册到Eureka Server。
1 创建项目,导入依赖
<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.yiidian</groupId>
<artifactId>user_service</artifactId>
<version>0.0.1-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.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>
<!-- SpringCloud版本,F系列 -->
<spring-cloud.version>Finchley.RC1</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-data-jpa</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>
<!-- Eureka客户端 -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<!-- SpringCloud依赖,一定要放到dependencyManagement中,起到管理版本的作用即可 -->
<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>
<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>
2 配置Eureka Client
建立application.yml,内容如下:
server:
port: 9001 # 端口
spring:
application:
name: user-service # 服务名称
# 数据源
datasource:
url: jdbc:mysql://localhost:3306/microservice?characterEncoding=utf8
driver-class-name: com.mysql.jdbc.Driver
username: root
password: root
# jpa配置
jpa:
show-sql: true
# Eureka服务注册配置
eureka:
client:
register-with-eureka: true # 服务提供方必须向Eureka服务器注册,该值必须为true
fetch-registry: false
service-url:
defaultZone: http://127.0.0.1:10086/eureka
3 编写启动类
package com.yiidian;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
/**
*
* 一点教程网 - http://www.yiidian.com
*/
@SpringBootApplication
@EnableEurekaClient // 开启Eureka客户端
public class UserServiceApplication {
public static void main(String[] args) {
SpringApplication.run(UserServiceApplication.class, args);
}
}
4 启动并查看注册信息
运行启动类,访问Eureka Server,效果如下:
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