Nacos下载安装
官方文档:Nacos 快速开始
源码地址:GitHub
git clone https://github.com/alibaba/nacos.git
cd nacos/
mvn -Prelease-nacos -Dmaven.test.skip=true clean install -U
编译成功后进入./distribution/target/nacos-server-$version/nacos/bin
下启动脚本,这里$version
根据实际版本号修改
Mac执行sh startup.sh -m standalone
进行单机模式运行, Windows直接双击运行startup.cmd即可
这里我一开始编译是不通过的,通过修改项目的pom文件才成功,可以考虑直接从官方下载编译好的包
配置Nacos
浏览器输入localhost:8848/nacos进入Nacos登录界面,默认账号密码均为nacos
创建新配置,主要是配置Data ID
Group
配置内容
Data ID
要符合${prefix}-${spring.profile.active}.${file-extension}
的格式,即:
${prefix}
:配置文件的名字,默认为spring.application.name
${spring.profile.active}
:当前配置的环境${file-extension}
: 配置文件的格式
创建spring cloud alibaba项目
pom文件
三部分重点配置parent
dependencies
dependencyManagement
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.6.RELEASE</version>
<relativePath/>
</parent>
<dependencies>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-dependencies</artifactId>
<version>${spring-cloud-alibaba.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
配置文件
application.yml
server:
port: 8080
spring:
profiles:
active: dev
application:
name: demo
bootstrap.yml
spring:
application:
name: demo
cloud:
nacos:
discovery:
server-addr: 127.0.0.1:8848
group: dirk
config:
server-addr: 127.0.0.1:8848
file-extension: yaml
group: dirk
注册中心
启动类增加注解@EnableDiscoveryClient
@SpringBootApplication
@EnableDiscoveryClient
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}
服务启动后即可在nacos管理页面查看