一、新建nacos-client-a

1.因为官方的springboot没有集成nacos的依赖，所以不再使用springboot的官方下载依赖地址

2. 因为我的idea是2019版本，更改了springboot下载路径后，不会自动更新，第一次选中依赖时，仍然时springboot官方的依赖选项，没有nacos依赖。因此，我首先创建了一个下载路径为aliyun的model，在该model初次加载之后（该model就没有用了，只是为了初次加载aliyun版本）。再创建model项目使用springboot的aliyun路径，就会自动适配aliyun的依赖选项。如下图所示

 3.配置好版本依赖，选择springboot 和 spring cloud alibaba version

 

 

<?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>
    <groupId>com.it</groupId>
    <artifactId>nacos-client-a</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>nacos-client-a</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring-boot.version>2.3.12.RELEASE</spring-boot.version>
        <spring-cloud-alibaba.version>2.2.7.RELEASE</spring-cloud-alibaba.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</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>
    </dependencies>

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

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.3.7.RELEASE</version>
                <configuration>
                    <mainClass>com.it.NacosClientAApplication</mainClass>
                </configuration>
                <executions>
                    <execution>
                        <id>repackage</id>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

4.application.yml

server:
  port: 8080
spring:
  application:
    name: nacos-client-a
  cloud:
    nacos:
      server-addr: localhost:8848  #往这个地址去注册自己
      username: nacos
      password: nacos

5.NacosClientAApplication启动类

 

package com.it;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication
@EnableDiscoveryClient  //开启服务发现客户端，用来开启nacos
public class NacosClientAApplication {

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

}

6.运行项目

7. 进入nacos管理端

二、新建nacos-client-b的model

1.创建过程与上面相同

2.在nacos管理端新建命名空间

3.application.yml

namespace指定上面创建命名空间的id

server:
  port: 8081
spring:
  application:
    name: nacos-client-b
  cloud:
    nacos:
      server-addr: localhost:8848
      username: nacos
      password: nacos
      discovery:  #这里是和注册相关的配置
        namespace: 3371e983-e359-4f37-aa27-d7d5b919fd2d
        group: A_GROUP  #往那个组注册

4.运行项目