Nacos服务注册和配置中心

叁歲伎倆 2024-02-29 03:57 75阅读 0赞

## Nacos服务注册和配置中心 ##

### 简介 ###

Nacos 前两个字母分别是**Naming**和**Configuration**的前两个字母，最后s为**Service**

官网地址：[https://nacos.io/zh-cn/][https_nacos.io_zh-cn]

GitHub：[https://github.com/alibaba/nacos][https_github.com_alibaba_nacos]

[Spring Cloud Alibaba Reference Documentation][]

Nacos：Eureka+Confg+Bus

Nacos 的关键特性包括:

*  **服务发现和服务健康监测**
 *  **动态配置服务**
 *  **动态 DNS 服务**
 *  **服务及其元数据管理**

### 安装 ###

所有版本地址:[https://github.com/alibaba/nacos/releases][https_github.com_alibaba_nacos_releases]

nacos-server-1.4.4.zip下载链接[https://github.com/alibaba/nacos/releases/download/1.4.4/nacos-server-1.4.4.zip][https_github.com_alibaba_nacos_releases_download_1.4.4_nacos-server-1.4.4.zip]

下载解压，进入/bin，命令行输入。

startup -m standalone

访问界面[http://127.0.0.1:8848/nacos/][http_127.0.0.1_8848_nacos]

### 一般pom文件 ###

<dependencies>
        
        <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-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        
        <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>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

### 测试Demo ###

*  **application.yml**

server:
      port: 9001
    
    spring:
      application:
        name: nacos-payment-provider
      cloud:
        nacos:
          discovery:
            server-addr: localhost:8848 #配置Nacos地址
    
    management:
      endpoints:
        web:
          exposure:
            include: '*'

**Main.java**

@EnableDiscoveryClient
    @SpringBootApplication
    public class PaymentMain9001
    {
        
        public static void main(String[] args) {
        
                SpringApplication.run(PaymentMain9001.class, args);
        }
    }

[https_nacos.io_zh-cn]: https://nacos.io/zh-cn/
[https_github.com_alibaba_nacos]: https://github.com/alibaba/nacos
[Spring Cloud Alibaba Reference Documentation]: https://spring-cloud-alibaba-group.github.io/github-pages/greenwich/spring-cloud-alibaba.html
[https_github.com_alibaba_nacos_releases]: https://github.com/alibaba/nacos/releases
[https_github.com_alibaba_nacos_releases_download_1.4.4_nacos-server-1.4.4.zip]: https://github.com/alibaba/nacos/releases/download/1.4.4/nacos-server-1.4.4.zip
[http_127.0.0.1_8848_nacos]: http://127.0.0.1:8848/nacos/