Spring Boot 配置Nacos（服务注册和发现）

一时失言乱红尘 2023-10-03 06:18 19阅读 0赞

## 1 Nacos ##

Nacos 致力于帮助您发现、配置和管理微服务。Nacos 提供了一组简单易用的特性集，帮助您实现动态服务发现、服务配置管理、服务及流量管理。

Nacos 帮助您更敏捷和容易地构建、交付和管理微服务平台。 Nacos 是构建以“服务”为中心的现代应用架构(例如微服务范式、云原生范式)的服务基础设施。

## 2 Nacos服务端安装和启动 ##

[Windows Nacos使用教程（下载、启动、登录）\_旭东怪的博客-CSDN博客\_nacos登入1 下载下载Nacos免安装压缩包。https://github.com/alibaba/nacos/releases2 启动第一步，解压下载好的压缩包。第二步，进入nacos/bin目录。第三步，打开startup.cmd，启动Nacos。![favicon32.ico][]https://blog.csdn.net/qq\_38974638/article/details/118966981][Windows Nacos_-CSDN_nacos_1 _Nacos_https_github.com_alibaba_nacos_releases2 _nacos_bin_startup.cmd_Nacos_favicon32.ico_https_blog.csdn.net_qq_38974638_article_details_118966981]

## 3 Nacos客户端 ##

### 3.1 Maven依赖 ###

<dependency>
    			<groupId>com.alibaba.cloud</groupId>
    			<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
    			<version>2021.1</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-web</artifactId>
    		</dependency>

注：当前Spring Boot版本为2.4.2。

### 3.2 Spring Boot配置 ###

#nacos服务端地址
    spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
    #当前nacos服务名称
    spring.application.name=service-nacos-client
    #服务端口
    server.port=18082

### 3.3 Spring Boot启动类 ###

package com;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @SpringBootApplication
    @EnableDiscoveryClient
    public class NacostestApplication {
    	public static void main(String[] args) {
    		SpringApplication.run(NacostestApplication.class, args);
    		System.out.println("--------启动成功--------------");
    	}
    }

## 4 调试结果 ##

[http://localhost:8848/nacos/\#/serviceManagement?dataId=&group=&appName=&namespace=&pageSize=&pageNo=![icon-default.png_t_LBL2][]http://localhost:8848/nacos/\#/serviceManagement?dataId=&group=&appName=&namespace=&pageSize=&pageNo=][http_localhost_8848_nacos_serviceManagement_dataId_group_appName_namespace_pageSize_pageNo_icon-default.png_t_LBL2_http_localhost_8848_nacos_serviceManagement_dataId_group_appName_namespace_pageSize_pageNo]![watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5pet5Lic5oCq_size_20_color_FFFFFF_t_70_g_se_x_16][]

[favicon32.ico]: https://g.csdnimg.cn/static/logo/favicon32.ico
[Windows Nacos_-CSDN_nacos_1 _Nacos_https_github.com_alibaba_nacos_releases2 _nacos_bin_startup.cmd_Nacos_favicon32.ico_https_blog.csdn.net_qq_38974638_article_details_118966981]: https://blog.csdn.net/qq_38974638/article/details/118966981
[icon-default.png_t_LBL2]: https://csdnimg.cn/release/blog_editor_html/release1.9.7/ckeditor/plugins/CsdnLink/icons/icon-default.png?t=LBL2
[http_localhost_8848_nacos_serviceManagement_dataId_group_appName_namespace_pageSize_pageNo_icon-default.png_t_LBL2_http_localhost_8848_nacos_serviceManagement_dataId_group_appName_namespace_pageSize_pageNo]: http://localhost:8848/nacos/#/serviceManagement?dataId=&group=&appName=&namespace=&pageSize=&pageNo=
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5pet5Lic5oCq_size_20_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/b8be112b1f164aaca73e454b7ff209df.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA5pet5Lic5oCq,size_20,color_FFFFFF,t_70,g_se,x_16