SpringCloud-Alibaba-Nacos-Demo

项目结构

pom模式 一父二子

parent pom配置

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
<!--    坐标ID-->
    <groupId>org.example</groupId>
    <artifactId>SpringCloudAlibabaDemo</artifactId>
    <version>1.0-SNAPSHOT</version>
<!--    POM模式-->
    <packaging>pom</packaging>
    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <!--管理依赖的版本-->
        <spring-boot.version>2.3.0.RELEASE</spring-boot.version>
        <nacos.version>2.1.0.RELEASE</nacos.version>
        <spring-cloud-alibaba.version>2.2.1.RELEASE</spring-cloud-alibaba.version>
    </properties>

    <!--2个子项目-->
    <modules>
        <!-- 服务提供者-->
        <module>provider-boot</module>
        <!--消费者-->
        <module>consumer-boot</module>
    </modules>

    <!--依赖版本管理
        子模块继承之后提供作用;锁定版本;子model不用写groupid和version
        如果子项目不希望使用父项目的版本，可以明确配置version
    -->
    <dependencyManagement>
        <dependencies>
            <!-- spring-boot-dependencies -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <!-- spring-cloud-alibaba-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>

            <!-- spring-cloud-dependencies -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Hoxton.SR3</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.16.18</version>
                <optional>true</optional>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

provider-boot配置

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>
        <artifactId>SpringCloudAlibabaDemo</artifactId>
        <groupId>org.example</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>

    <artifactId>provider-boot</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>provider-boot</name>
    <description>provider project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <!--springcloud alibaba nacos-->
        <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.projectlombok</groupId>-->
<!--            <artifactId>lombok</artifactId>-->
<!--            <optional>true</optional>-->
<!--        </dependency>-->

<!--        <dependency>-->
<!--            <groupId>org.springframework.boot</groupId>-->
<!--            <artifactId>spring-boot-devtools</artifactId>-->
<!--            <scope>runtime</scope>-->
<!--            <optional>true</optional>-->
<!--        </dependency>-->

<!--        <dependency>-->
<!--            <groupId>org.springframework.boot</groupId>-->
<!--            <artifactId>spring-boot-starter-test</artifactId>-->
<!--            <scope>test</scope>-->
<!--        </dependency>-->
    </dependencies>


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

</project>

controller

package com.gjh.controller;

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class DemoController {
    @GetMapping("/")
    public ResponseEntity index(){
        return new ResponseEntity("index", HttpStatus.OK);
    }
}

application.properties

#内嵌的web服务器端口
server.port=8081

#服务名称
spring.application.name=myProvider

#nacos注册中心的连接地址
#spring.cloud.nacos.discovery.server-addr=192.168.172.128:8801,192.168.172.128:8802,192.168.172.128:8803
#spring.cloud.nacos.discovery.server-addr=192.168.172.128:80
spring.cloud.nacos.discovery.server-addr=localhost:8848

#nacos的用户名和密码
#spring.cloud.nacos.username=nacos
#spring.cloud.nacos.password=nacos

#spring boot actuator 监控和健康检查功能
management.endpoints.jmx.exposure.include=*
management.endpoints.web.exposure.include=*
management.endpoint.health.show-details=always

Application启动项

package com.gjh;

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

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

向nacos内注册服务myProvider