spring-cloud-alibaba-nacos 注册中心实现服务

悠悠 2022-11-17 13:36 23阅读 0赞

### 版本选择 ###

父工程pom文件：

<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>2.1.17.RELEASE</spring-boot.version>
            
            <spring-cloud.version>Greenwich.RELEASE</spring-cloud.version>
            <spring-cloud-alibaba.version>2.1.2.RELEASE</spring-cloud-alibaba.version>
        </properties>
    
        <dependencyManagement>
            <dependencies>
                <dependency>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-dependencies</artifactId>
                    <version>${spring-boot.version}</version>
                    <type>pom</type>
                    <scope>import</scope>
                </dependency>
                <dependency>
                    <groupId>org.springframework.cloud</groupId>
                    <artifactId>spring-cloud-dependencies</artifactId>
                    <version>${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>

通用依赖：

<dependencies>
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-actuator</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-test</artifactId>
                <scope>test</scope>
            </dependency>
            
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <optional>true</optional>
            </dependency>
        </dependencies>

### 服务端（Provider）模块： ###

添加@EnableDiscoveryClient注解在启动类上

/**
     * @description:
     * @项目 www.fhadmin.org
     * @create 2021-04
     **/
    @SpringBootApplication
    @EnableDiscoveryClient
    public class NacosProviderApplication {
        public static void main(String[] args) {
            SpringApplication.run(NacosProviderApplication.class, args);
        }
    }

//java项目www.fhadmin.org
    @RestController
    @RequestMapping("/goods")
    public class GoodsController {
    
        @Value("${server.port}")
        private int port;
    
        @GetMapping("/findOne3")
        public Goods findGoodsById3() {
            //当前线程睡2秒
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            Goods goods = new Goods().setId(1).setPrice(123.123).setCount(1200).setTitle("标题");
            return goods.setTitle(goods.getTitle() + ":" + port);
        }
    
    }

application.yml：  
配置服务名和nacos地址和端口，最下面的配置不用管

server:
      port: 8000
    
    spring:
      application:
        name: nacos-provider # 服务名称
      cloud:
        nacos:
          discovery:
            server-addr:  127.0.0.1:8848 # 配置nacos 服务端地址
    management:
      endpoints:
        web:
          exposure:
            include: '*'

### 消费端（Consumer）模块 ###

添加@EnableDiscoveryClient注解在启动类上

/**
     * @description:
     * java项目www.fhadmin.org
     * @create 2021-04
     **/
    @SpringBootApplication
    @EnableDiscoveryClient
    public class NacosConsumerApplication {
        public static void main(String[] args) {
            SpringApplication.run(NacosConsumerApplication.class, args);
        }
    }

application.yml：  
配置服务名和nacos地址和端口，最下面的配置不用管

server:
      port: 9000
    
    spring:
      application:
        name: nacos-consumer # 服务名称
      cloud:
        nacos:
          discovery:
            server-addr:  127.0.0.1:8848 # 配置nacos 服务端地址
    management:
      endpoints:
        web:
          exposure:
            include: '*'

![wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==][wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw]

启动测试：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg2NTkxNg_size_16_color_FFFFFF_t_70]  
用户名密码都是 nacos

[wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw]: 
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDg2NTkxNg_size_16_color_FFFFFF_t_70]: /images/20221022/1755dbbade104abc946823a55a34e93f.png