Dubbo是高性能, 基于java实现的开源RPC框架，使得应用可通过高性能的 RPC 实现服务的输出和输入功能，可以和 Spring框架无缝集成。
Dubbo是一款高性能、轻量级的开源Java RPC框架，它提供了三大核心能力：面向接口的远程方法调用，智能容错和负载均衡，以及服务自动注册和发现。
Remoting: 网络通信框架，实现了 sync-over-async 和request-response 消息机制
RPC: 一个远程过程调用的抽象，支持负载均衡、容灾和集群功能
Registry: 服务目录框架用于服务的注册和服务事件发布和订阅
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package com.alibaba.hello.api;public interface HelloService{ String sayHello(String name);} |
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package com.alibaba.hello.impl;import com.alibaba.hello.api.HelloService;public class HelloServiceImpl implements HelloService{ public String sayHello(String name){ return "Hello" + name; }} |
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<?xmlversion="1.0"encoding="UTF-8"?><beans......> <!--Applicationname--> <dubbo:applicationname="hello-world-app"/> <!--registryaddress,usedforservicetoregisteritself--> <!--exposethisservicethroughdubboprotocol,throughport20880--> <dubbo:protocolname="dubbo"port="20880"/> <!--whichserviceinterfacedoweexpose?--> <dubbo:serviceinterface="com.alibaba.hello.api.HelloService"ref="helloService"/> <!--designateimplementation--> <beanid="helloService"class="com.alibaba.hello.impl.HelloServiceImpl"/></beans> |
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importorg.springframework.context.support.ClassPathXmlApplicationContext;public class Provider{ public static void main(String[] args){ ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(newString[]{"provider.xml"}); //启动成功，监听端口为20880System.in.read();//按任意键退出 }} |
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<?xmlversion="1.0"encoding="UTF-8"?><beans xmlns=......> <!--consumerapplicationname--> <dubbo:applicationname="consumer-of-helloworld-app"/> <!--registryaddress,usedforconsumertodiscoverservices--> <!--whichservicetoconsume?--> <dubbo:referenceid="helloService"interface="com.alibaba.hello.api.HelloService"/></beans> |
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import org.springframework.context.support.ClassPathXmlApplicationContext;import com.alibaba.hello.api.HelloService;public class Consumer{ public static void main(String[] args){ ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(newString[]{"consumer.xml"}); HelloService helloService = (HelloService)context.getBean("helloService"); //getserviceinvocationproxyStringhello=helloService.sayHello("world"); //doinvoke!System.out.println(hello); //cool,howareyou~ }} |
原文：https://www.cnblogs.com/jvStarBlog/p/11019504.html