Java 语言定义服务

除此之外，Dubbo Java 还提供了包括注解、API、配置文件、spring boot等多种启动与接入方式，具体可参见配置章节具体描述。

示例代码在 dubbo-samples 中

1. 下载源码

1. 进入示例目录

1. 编译 Provider

$ mvn clean compile -Pprovider

1. 运行 Provider

1. 编译 Consumer

$ mvn clean compile -Pconsumer

1. 运行 consumer

$ java -jar ./target/consumer.jar

DemoService.java

DemoServiceImpl.java

public class DemoServiceImpl implements DemoService {
    @Override
    public String sayHello(String name) {
        return "Hello " + name + ", response from provider: " + RpcContext.getContext().getLocalAddress();
    }
}

<bean id="demoService" class="org.apache.dubbo.samples.basic.impl.DemoServiceImpl"/>

consumer.xml：

Consumer.java

public static void main(String[] args) {
    ...
    DemoService demoService = (DemoService) context.getBean("demoService");
    String hello = demoService.sayHello("world");
    System.out.println(hello);