基于dubbo RPC的微服务式架构

基于dubbo RPC的微服务式架构

Dubbo Hello World

环境

SpringBoot + dubbo

Pom.xml 依赖

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.3.3.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.xjz</groupId>
<artifactId>DubboProvider</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
    <java.version>1.8</java.version>
    <dubbo.version>2.7.1</dubbo.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>

    <!-- Aapche Dubbo -->


    <dependency>
        <groupId>org.apache.dubbo</groupId>
        <artifactId>dubbo-spring-boot-starter</artifactId>
        <version>${dubbo.version}</version>
    </dependency>

    <dependency>
        <groupId>org.apache.dubbo</groupId>
        <artifactId>dubbo</artifactId>
        <version>${dubbo.version}</version>
    </dependency>


    <!-- https://mvnrepository.com/artifact/org.apache.curator/curator-framework -->
    <dependency>
        <groupId>org.apache.curator</groupId>
        <artifactId>curator-framework</artifactId>
        <version>4.2.0</version>
    </dependency>

    <dependency>
        <groupId>org.apache.curator</groupId>
        <artifactId>curator-recipes</artifactId>
        <version>4.2.0</version>
        <exclusions>
            <exclusion>
                <groupId>org.apache.zookeeper</groupId>
                <artifactId>zookeeper</artifactId>
            </exclusion>
        </exclusions>
    </dependency>

    <dependency>
        <groupId>org.apache.zookeeper</groupId>
        <artifactId>zookeeper</artifactId>
        <version>3.4.14</version>
    </dependency>

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

服务提供方 provider

配置文件

server.port=8082
spring.application.name=DubboProvider
dubbo.scan.base-packages=com.xjz.service
dubbo.protocol.name=dubbo
dubbo.protocol.host=192.168.1.109
dubbo.protocol.port=12345

dubbo.registry.address=zookeeper://192.168.199.6:2181

服务接口

package com.xjz.service;

/**
 * @Auther: 
 * @Date: 2020/8/16 - 08 - 16 - 18:22
 * @Description: com.xjz.service
 * @version: 1.0
 */
public interface IDubboService {
    String say(String name);
}

接口实现

package com.xjz.service;

import org.apache.dubbo.config.annotation.Service;
import org.springframework.stereotype.Component;

/**
 * @Auther: 
 * @Date: 2020/8/16 - 08 - 16 - 18:18
 * @Description: com.xjz.service
 * @version: 1.0
 */
@Service(version = "1.0.0",timeout = 5000,interfaceClass = IDubboService.class)
@Component
public class DubboServiceImpl implements IDubboService {

    @Override
    public String say(String name){
        System.out.println(name);
        return name+" sya Hi !";
    }
}

服务消费方 consumer 配置

server.port=8081
spring.application.name=DemoConsumer
dubbo.registry.address=zookeeper://192.168.199.6:2181

自动注入

package com.xjz.main;

import com.xjz.service.IDubboService;
import org.apache.dubbo.config.annotation.Reference;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

/**
 * @Auther: 
 * @Date: 2020/8/15 - 08 - 15 - 17:06
 * @Description: com.xjz.demo
 * @version: 1.0
 */
@SpringBootApplication
@RestController
public class DemoApplication {

    @Reference(version = "1.0.0")
    IDubboService dubboService;

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

    @GetMapping("/hello")
    public String say(@RequestParam(value = "name", defaultValue = "World") String name) {
        return dubboService.say(name);
    }
}

接口

/**
 * @Auther: 
 * @Date: 2020/8/16 - 08 - 16 - 18:22
 * @Description: com.xjz.service
 * @version: 1.0
 */
public interface IDubboService {
    String say(String name);
}