基于XML
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.example</groupId>
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<artifactId>dubbo-spring-xml-demo</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.apache.dubbo</groupId>
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<artifactId>dubbo</artifactId>
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<version>3.1.6</version>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-context</artifactId>
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<version>5.3.25</version>
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</dependency>
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<dependency>
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<groupId>org.apache.curator</groupId>
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<artifactId>curator-x-discovery</artifactId>
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<version>5.2.0</version>
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</dependency>
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<dependency>
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<groupId>org.apache.zookeeper</groupId>
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<artifactId>zookeeper</artifactId>
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<version>3.8.0</version>
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</dependency>
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</dependencies>
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</project>
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package org.apache.dubbo.samples.api;
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/**
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* ClassName: GreetingsService
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* Package: org.apache.dubbo.samples.api
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*
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* @author yovinchen
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* @Create 2023/12/4 16:16
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*/
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public interface GreetingsService {
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String sayHi(String name);
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}
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package org.apache.dubbo.samples.client;
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import org.apache.dubbo.samples.api.GreetingsService;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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import java.io.IOException;
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/**
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* ClassName: Application
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* Package: org.apache.dubbo.samples.client
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*
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* @author yovinchen
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* @Create 2023/12/4 16:18
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*/
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public class Application {
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public static void main(String[] args) throws IOException {
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ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("dubbo-demo-consumer.xml");
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context.start();
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GreetingsService greetingsService = (GreetingsService) context.getBean("greetingsService");
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String message = greetingsService.sayHi("dubbo");
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System.out.println("Receive result ======> " + message);
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System.in.read();
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System.exit(0);
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}
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}
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package org.apache.dubbo.samples.provider;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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import java.util.concurrent.CountDownLatch;
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/**
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* ClassName: Application
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* Package: org.apache.dubbo.samples.provider
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*
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* @author yovinchen
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* @Create 2023/12/4 16:18
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*/
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public class Application {
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public static void main(String[] args) throws InterruptedException {
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ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("dubbo-demo-provider.xml");
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context.start();
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// 挂起主线程,防止退出
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new CountDownLatch(1).await();
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}
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}
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package org.apache.dubbo.samples.provider;
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import org.apache.dubbo.samples.api.GreetingsService;
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/**
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* ClassName: GreetingsServiceImpl
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* Package: org.apache.dubbo.samples.provider
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*
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* @author yovinchen
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* @Create 2023/12/4 16:16
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*/
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public class GreetingsServiceImpl implements GreetingsService {
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@Override
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public String sayHi(String name) {
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return "hi, " + name;
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"
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xmlns:context="http://www.springframework.org/schema/context" xmlns="http://www.springframework.org/schema/beans"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
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<context:property-placeholder/>
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<!-- 定义应用名 -->
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<dubbo:application name="demo-provider"/>
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<!-- 定义注册中心地址 -->
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<dubbo:registry address="zookeeper://8.130.127.71:2181"/>
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<!-- 定义订阅信息,Dubbo 会在 Spring Context 中创建对应的 bean -->
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<dubbo:reference id="greetingsService" interface="org.apache.dubbo.samples.api.GreetingsService"/>
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</beans>
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"
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xmlns:context="http://www.springframework.org/schema/context" xmlns="http://www.springframework.org/schema/beans"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
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<context:property-placeholder/>
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<!-- 定义应用名 -->
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<dubbo:application name="demo-provider"/>
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<!-- 定义注册中心地址 -->
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<dubbo:registry address="zookeeper://8.130.127.71:2181"/>
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<!-- 定义实现类对应的 bean -->
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<bean id="greetingsService" class="org.apache.dubbo.samples.provider.GreetingsServiceImpl"/>
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<!-- 定义服务信息,引用上面的 bean -->
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<dubbo:service interface="org.apache.dubbo.samples.api.GreetingsService" ref="greetingsService"/>
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</beans>
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