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Dubbo服务+Nacos注册中心+SpringBoot注解 demo 解析Dubbo服务+Nacos注册中心+SpringBoot注解 例子

Dubbo服务+Nacos注册中心+SpringBoot注解 例子

准备工作

  • IDEA
  • Dubbo整体架构了解
  • Nacos知识储备
  • SpringBoot知识储备

项目结构

父项目Maven，子项目均为SpringBoot

Dubbo服务+Nacos注册中心+SpringBoot注解 demo 解析Dubbo服务+Nacos注册中心+SpringBoot注解 例子

common：服务

Dubbo服务+Nacos注册中心+SpringBoot注解 demo 解析Dubbo服务+Nacos注册中心+SpringBoot注解 例子

provider：生产者

Dubbo服务+Nacos注册中心+SpringBoot注解 demo 解析Dubbo服务+Nacos注册中心+SpringBoot注解 例子

consumer：消费者

Dubbo服务+Nacos注册中心+SpringBoot注解 demo 解析Dubbo服务+Nacos注册中心+SpringBoot注解 例子

开始搭建

父项目

  1. pom.xml 
<?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>

    <groupId>com.sasu</groupId>
    <artifactId>DubboExample</artifactId>
    <packaging>pom</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <modules>
        <module>dubbo-example-common</module>
        <module>nacos-dubbo-provider</module>
        <module>nacos-dubbo-consumer</module>
    </modules>
    <name>DubboExample</name>

    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-alibaba</artifactId>
                <version>0.9.0.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>0.9.0.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

dubbo-example-common 服务

  1. pom.xml 
<?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>DubboExample</artifactId>
        <groupId>com.sasu</groupId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>dubbo-example-common</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>dubbo-example-common</name>
    <description>Demo project for Spring Boot</description>

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

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

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

</project>
  1. HelloService 
package com.sasu.service;

public interface HelloService {
    String sayHello(String name);
}

nacos-dubbo-provider 生产者

  1. pom.xml 
<?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>DubboExample</artifactId>
        <groupId>com.sasu</groupId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>nacos-dubbo-provider</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>nacos-dubbo-provider</name>
    <description>Demo project for Spring Boot</description>

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

    <dependencies>
        <dependency>
            <groupId>com.sasu</groupId>
            <artifactId>dubbo-example-common</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>

        <!-- Spring Boot dependencies -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>

        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
        </dependency>

        <!-- Dubbo -->
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo</artifactId>
        </dependency>

        <!-- Dubbo Registry Nacos -->
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-registry-nacos</artifactId>
            <version>2.7.1</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba.nacos</groupId>
            <artifactId>nacos-client</artifactId>
        </dependency>
    </dependencies>

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

</project>
  1. application.yml 
spring:
  application:
    name: nacos-dubbo-provider
dubbo:
  scan:
    base-packages: com.sasu.service
  protocol:
    name: dubbo
    port: -1
  registry:
    address: nacos://127.0.0.1:8848
  service:
    version: 1.0.0
  1. HelloServiceImpl 
package com.sasu.service;

import org.apache.dubbo.config.annotation.Service;
import org.springframework.beans.factory.annotation.Value;

@Service(version = "${dubbo.service.version}")
public class HelloServiceImpl implements HelloService {

    @Value("${spring.application.name}")
    private String serviceName;

    @Override
    public String sayHello(String name) {
        return String.format("[%s] : Hello , %s", serviceName, name);
    }
}

nacos-dubbo-consumer 消费者

  1. pom.xml 
<?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>DubboExample</artifactId>
        <groupId>com.sasu</groupId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>nacos-dubbo-consumer</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>nacos-dubbo-consumer</name>
    <description>Demo project for Spring Boot</description>

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

    <dependencies>
        <dependency>
            <groupId>com.sasu</groupId>
            <artifactId>dubbo-example-common</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>

        <!-- Spring Boot dependencies -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
        </dependency>

        <!-- Dubbo -->
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo</artifactId>
        </dependency>

        <!-- Dubbo Registry Nacos -->
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-registry-nacos</artifactId>
            <version>2.7.1</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba.nacos</groupId>
            <artifactId>nacos-client</artifactId>
        </dependency>
    </dependencies>

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

</project>
  1. application.yml 
spring:
  application:
    name: nacos-dubbo-consumer
dubbo:
  registry:
    address: nacos://127.0.0.1:8848
  service:
    version: 1.0.0
server:
  port: 9001
  1. HelloController 
package com.sasu.controller;

import com.sasu.service.HelloService;
import org.apache.dubbo.config.annotation.Reference;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

    @Reference(version = "${dubbo.service.version}")
    private HelloService helloService;

    @GetMapping(value = "/hello/{name}")
    public String hello(@PathVariable("name") String name) {
        return helloService.sayHello(name);
    }
}

运行测试

  1. 运行Nacos

    运行startup.cmd

    Dubbo服务+Nacos注册中心+SpringBoot注解 demo 解析Dubbo服务+Nacos注册中心+SpringBoot注解 例子
    输入地址账号密码均为nacos http://127.0.0.1:8848/nacos/index.html
    Dubbo服务+Nacos注册中心+SpringBoot注解 demo 解析Dubbo服务+Nacos注册中心+SpringBoot注解 例子
  2. 启动生产者：NacosDubboProviderApplication
  3. 启动消费者：NacosDubboConsumerApplication
  4. 输入http://localhost:9001/hello/demo，显示出下图，你就完成Nacos+Dubbo+SpringBoot的demo啦，其余的Dubbo知识可以参考官方文档http://dubbo.apache.org/en-us/
大数据 Dubbo nacos springboot
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