springcloud整合nacos实现服务注册

Nacos是一个开源的分布式系统服务和基础设施解决方案，用于实现动态服务发现、配置管理和服务治理。它可以帮助开发人员和运维团队更好地管理微服务架构中的服务实例、配置信息和服务调用。

Nacos提供了服务注册与发现、动态配置管理、服务路由和负载均衡等功能，可以帮助企业构建和管理基于微服务架构的应用程序。它支持多种环境和语言，包括Java、Go、Python和Node.js等，可以灵活地集成到各种不同的应用程序中。

Nacos的特点包括高可用性、可扩展性、易用性和丰富的功能，使其成为构建和管理分布式系统的理想选择。作为一个开源项目，Nacos还拥有一个活跃的社区和丰富的文档资源，可以帮助用户更好地理解和使用该系统。

环境准备

插件	版本
jdk	21
springboot	3.0.11
springcloud	2022.0.4
springcloudalibaba	2022.0.0.0
nacos	2.2.3（稳定版）

代码编写

pom

<?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 https://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>3.0.11</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>platform</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>platform</name>
    <description>platform</description>
    <properties>
        <java.version>21</java.version>
        <spring-cloud.version>2022.0.0</spring-cloud.version>
        <spring-cloud-alibaba.version>2022.0.0.0</spring-cloud-alibaba.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>3.0.2</version>
        </dependency>
<!--        <dependency>-->
<!--            <groupId>org.springframework.cloud</groupId>-->
<!--            <artifactId>spring-cloud-starter-openfeign</artifactId>-->
<!--        </dependency>-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.5.3.2</version>
        </dependency>
        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter-test</artifactId>
            <version>3.0.2</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>edge-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>javax.validation</groupId>
            <artifactId>validation-api</artifactId>
            <version>2.0.1.Final</version>
        </dependency>
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
        </dependency>
        <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.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>2.0.41</version>
        </dependency>
        <dependency>
            <groupId>com.auth0</groupId>
            <artifactId>java-jwt</artifactId>
            <version>4.4.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-loadbalancer</artifactId>
        </dependency>
    </dependencies>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>${spring-cloud-alibaba.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <repositories>
        <repository>
            <id>projectlombok.org</id>
            <url>https://projectlombok.org/edge-releases</url>
        </repository>
    </repositories>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

配置文件

spring:
  application:
    name: platform
  cloud:
    nacos:
      server-addr: ip:port
      config:
        file-extension: yml
        group: DEFAULT_GROUP
        prefix: ${sping.application.name}

启动类

@SpringBootApplication
// 这里必须有
@EnableFeignClients
public class PlatformApplication {
 
    public static void main(String[] args) {
        SpringApplication.run(PlatformApplication.class, args);
    }
 
}

测试类

@SpringBootApplication
@EnableFeignClients
@EnableCaching
@EnableScheduling
@EnableDiscoveryClient
@RefreshScope
public class PlatformApplication {

    public static void main(String[] args) {
        SpringApplication.run(PlatformApplication.class, args);
    }

}