起因
刚好最近开始在重新写concert，所以就重新动手从零搭了完整的项目，到了dubbo，正好记录一下。
选用版本
<properties>
<alibaba.dubbo.version>2.6.6</alibaba.dubbo.version>
<netty.version>4.1.34.Final</netty.version>
<curator.version>2.6.0</curator.version>
</properties>
<dependencies>
<!-- dubbo -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>${alibaba.dubbo.version}</version>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
<version>${netty.version}</version>
</dependency>
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
<version>${curator.version}</version>
</dependency>
</dependencies>
编写demo
package cn.biddy.services;
import java.util.List;
/**
* 功能描述:
*
* @author YanAnHuaZai
* create: 2019-05-08 16:58
* project name: concert
**/
public interface DemoService {
String sayHello(String name);
List getNumbers();
}
package cn.biddy.services;
import java.util.ArrayList;
import java.util.List;
/**
* 功能描述:
*
* @author YanAnHuaZai
* create: 2019-05-08 17:02
* project name: concert
**/
public class DemoServiceImpl implements DemoService{
@Override
public String sayHello(String name) {
return "Hello " + name;
}
@Override
public List getNumbers() {
List list = new ArrayList();
for (int i = 0; i < 10; i++) {
list.add("" + i);
}
return list;
}
}
package cn.biddy.services;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Provider {
public static void main(String[] args) throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[] {"applicationContext-dubbo.xml"});
context.start();
System.out.println("started");
System.in.read(); // 为保证服务一直开着，利用输入流的阻塞来模拟
}
}
package cn.biddy.services;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import java.util.List;
public class Consumer {
public static void main(String[] args) throws Exception {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
new String[] {"applicationContext-dubbo.xml"});
context.start();
DemoService demoService = (DemoService) context.getBean("demoService"); //
String hello = demoService.sayHello("tom"); // ִ
System.out.println(hello); //
//
List list = demoService.getNumbers();
if (list != null && list.size() > 0) {
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
}
System.in.read();
}
}
生产者和消费者的配置文件
applicationContext-dubbo：）provider
<?xml version="1.0" encoding="UTF-8"?>
<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.xsd
http://code.alibabatech.com/schema/dubbo
http://code.alibabatech.com/schema/dubbo/dubbo.xsd"
default-lazy-init="true">
<!-- provider -->
<!-- 具体的实现bean -->
<bean id="demoService" class="cn.biddy.services.DemoServiceImpl" />
<!-- 提供方应用信息，用于计算依赖关系 -->
<dubbo:application name="concert_service" />
<!-- 使用multicast广播注册中心暴露服务地址
<dubbo:registry address="multicast://224.5.6.7:1234" />-->
<!-- 使用zookeeper注册中心暴露服务地址 -->
<dubbo:registry address="zookeeper://192.168.66.202:2181" />
<!-- 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="cn.biddy.services.DemoService" ref="demoService" />
</beans>
applicationContext-dubbo：）consumer
<?xml version="1.0" encoding="UTF-8"?>
<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.xsd
http://code.alibabatech.com/schema/dubbo
http://code.alibabatech.com/schema/dubbo/dubbo.xsd"
default-lazy-init="true">
<!-- consumer -->
<!-- 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="concert_service_api" />
<!-- 使用zookeeper注册中心暴露服务地址 -->
<!-- <dubbo:registry address="multicast://224.5.6.7:1234" /> -->
<dubbo:registry address="zookeeper://192.168.66.202:2181" />
<!-- 生成远程服务代理，可以像使用本地bean一样使用demoService -->
<dubbo:reference id="demoService" interface="cn.biddy.services.DemoService" />
</beans>
