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Dubbo、Spring、Zookeeper、集成基础案例(XML方式)

程序员文章站 2022-05-07 14:24:07
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摘要：最近抽时间系统的学习了Dubbo的一些内容，趁有时间，整理下，顺便记录下，以防以后回顾。

一：运行环境

1>:JDK 1.8

2>:IDEA 2018.1

3>:Zookeeper 3.x

4>:Maven 3.2

5>:Dubbo 2.8.4

二：项目结构

Dubbo、Spring、Zookeeper、集成基础案例(XML方式)

三：创建服务提供者工程

<?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">
    <parent>
        <artifactId>micai-dubbo-chapter1</artifactId>
        <groupId>com.micai.dubbo</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>micai-dubbo-provider</artifactId>

    <name>micai-dubbo-provider</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <spring.version>4.2.1.RELEASE</spring.version>
        <jdk.version>1.8</jdk.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>2.8.4</version>
        </dependency>
        <dependency>
            <groupId>com.101tec</groupId>
            <artifactId>zkclient</artifactId>
            <version>0.3</version>
        </dependency>
    </dependencies>

    <build>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.0.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.7.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.20.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-jar-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>
package com.micai.dubbo.provider;

/**
 * @Auther: zhaoxinguo
 * @Date: 2018/9/10 13:33
 * @Description: 定义服务接口
 */
public interface DemoService {

    String sayHello(String name);
}
package com.micai.dubbo.provider;

/**
 * @Auther: zhaoxinguo
 * @Date: 2018/9/10 13:34
 * @Description: 在服务提供方实现接口
 */
public class DemoServiceImpl implements DemoService {

    @Override
    public String sayHello(String name) {
        return "Hello" + name;
    }
}
package com.micai.dubbo;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.io.IOException;

/**
 * @Auther: zhaoxinguo
 * @Date: 2018/9/10 14:13
 * @Description:
 */
public class Provider {

    public static void main(String [] args) {
        ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
        classPathXmlApplicationContext.start();
        try {
            System.in.read();//按任意键退出
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
       http://code.alibabatech.com/schema/dubbo
       http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!--提供方应用信息，用于计算依赖关系-->
    <dubbo:application name="hello-world-app"/>

    <!--使⽤zookeeper⼴播注册中⼼暴露服务地址-->
    <dubbo:registry protocol="zookeeper" address="127.0.0.1:2181"/>

    <!--用dubbo协议在20880端口暴露服务-->
    <dubbo:protocol name="dubbo" port="20880"/>

    <!--声明需要暴露的服务接口-->
    <dubbo:service interface="com.micai.dubbo.provider.DemoService" ref="demoService"/>

    <!--和本地bean一样实现服务-->
    <bean id="demoService" class="com.micai.dubbo.provider.DemoServiceImpl"/>

</beans>

四：创建服务消费者工程

<?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">
    <parent>
        <artifactId>micai-dubbo-chapter1</artifactId>
        <groupId>com.micai.dubbo</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>micai-dubbo-consumer</artifactId>

    <name>micai-dubbo-consumer</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.version>4.2.1.RELEASE</spring.version>
        <jdk.version>1.8</jdk.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>2.8.4</version>
        </dependency>
        <!--zookeeper-->
        <dependency>
            <groupId>com.101tec</groupId>
            <artifactId>zkclient</artifactId>
            <version>0.3</version>
        </dependency>
        <dependency>
            <groupId>com.micai.dubbo</groupId>
            <artifactId>micai-dubbo-provider</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>

    <build>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.0.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.7.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.20.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-jar-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>
package com.micai.dubbo;

import com.micai.dubbo.provider.DemoService;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * @Auther: zhaoxinguo
 * @Date: 2018/9/11 14:36
 * @Description:
 */
public class Consumer {

    public static void main(String [] args) {
        ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
        classPathXmlApplicationContext.start();
        DemoService demoService = (DemoService) classPathXmlApplicationContext.getBean("demoService");
        String str = demoService.sayHello("赵新国");
        System.out.println("调用结果" + str);
    }
}
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
       http://code.alibabatech.com/schema/dubbo
       http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!--消费方应用名、用于计算依赖关系，不是匹配条件，不要与提供方一样-->
    <dubbo:application name="consumer-of-helloworld-app"/>

    <!--使用zookeeper广播注册中心暴露发现服务地址-->
    <dubbo:registry protocol="zookeeper" address="127.0.0.1:2181"/>

    <!--生成远程服务代理，可以和本地bean一样使用demoService-->
    <dubbo:reference id="demoService" interface="com.micai.dubbo.provider.DemoService"/>

</beans>

五：运行结果

Dubbo、Spring、Zookeeper、集成基础案例(XML方式)

六：源码下载请扫描下面的QQ交流群获取

Dubbo、Spring、Zookeeper、集成基础案例(XML方式)

 

 

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