Dubbo不用注册中心实现远程调用的简单用法demo

服务端：

先在服务端写接口以及接口实现类：

package com.gupao.dubbo;

public interface GPDubboService {
    public String sayHello(String msg);
}

package com.gupao.dubbo;

public class GPDubboServiceImpl implements GPDubboService{
    @Override
    public String sayHello(String msg) {
        return "Hello ,liaoyang make you see " + msg;
    }
}

2 xml文件中注册服务

<?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"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-3.1.xsd
       http://code.alibabatech.com/schema/dubbo
      http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <dubbo:application name="dubbo-server"  owner="liaoyy"/>
　　--表示不用注册中心
    <dubbo:registry address="N/A"/>

    <dubbo:protocol name="dubbo" port="20880"/>

    <dubbo:service interface="com.gupao.dubbo.GPDubboService" ref="gphelloservice"/>

    <bean  id="gphelloservice" class="com.gupao.dubbo.GPDubboServiceImpl"/>

</beans>

运行代码发布服务

public class BootStrap {
    public static void main(String[] args) throws IOException {
        ClassPathXmlApplicationContext classPathXmlApplicationContext = new
                ClassPathXmlApplicationContext("dubbo-server.xml");
        classPathXmlApplicationContext.start();
        System.in.read();
    }
}

消费端：

先把服务方依赖过来

<dependency>
      <groupId>com.gupao.dubbo</groupId>
      <artifactId>server-api</artifactId>
      <version>1.0-SNAPSHOT</version>
    </dependency>

由于没用注册中心，肯定要指定请求地址的

<?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"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-3.1.xsd
       http://code.alibabatech.com/schema/dubbo
      http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <dubbo:application name="dubbo-client"  owner="liaoyy"/>

    <dubbo:registry address="N/A"/>

    <dubbo:protocol name="dubbo" port="20880"/>
　　-- id为服务方bean的id  interfacce为服务方发布的接口路径
    <dubbo:reference id="gphelloservice" interface="com.gupao.dubbo.GPDubboService" url="dubbo://169.254.105.124:20880/com.gupao.dubbo.GPDubboService"/>
    

</beans>

然后调用就完事儿

public class BootStrap {
    public static void main(String[] args) {
        ClassPathXmlApplicationContext classPathXmlApplicationContext = new
                ClassPathXmlApplicationContext("dubbo-client.xml");
        classPathXmlApplicationContext.start();
        GPDubboService gphelloservice
                = (GPDubboService) classPathXmlApplicationContext.getBean("gphelloservice");
        System.out.println(gphelloservice.sayHello("liaoyyyyy"));
    }
}

运行结果

七月 05, 2020 4:15:40 下午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
信息: Refreshing org6267c3bb: startup date [Sun Jul 05 16:15:40 CST 2020]; root of context hierarchy
七月 05, 2020 4:15:40 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [dubbo-client.xml]
七月 05, 2020 4:15:40 下午 com.alibaba.dubbo.common.logger.LoggerFactory info
信息: using logger: com.alibaba.dubbo.common.logger.jcl.JclLoggerAdapter
七月 05, 2020 4:15:41 下午 com.alibaba.dubbo.remoting.transport.AbstractClient info
信息:  [DUBBO] Successed connect to server /169.254.105.124:20880 from NettyClient 169.254.105.124 using dubbo version 2.5.6, channel is NettyChannel [channel=[id: 0x0c33b74f, /169.254.105.124:59010 => /169.254.105.124:20880]], dubbo version: 2.5.6, current host: 169.254.105.124
七月 05, 2020 4:15:41 下午 com.alibaba.dubbo.remoting.transport.AbstractClient info
信息:  [DUBBO] Start NettyClient DESKTOP-TLTOEDB/169.254.105.124 connect to the server /169.254.105.124:20880, dubbo version: 2.5.6, current host: 169.254.105.124
七月 05, 2020 4:15:42 下午 com.alibaba.dubbo.config.AbstractConfig info
信息:  [DUBBO] Refer dubbo service com.gupao.dubbo.GPDubboService from url dubbo://169.254.105.124:20880/com.gupao.dubbo.GPDubboService?application=dubbo-client&dubbo=2.5.6&interface=com.gupao.dubbo.GPDubboService&methods=sayHello&owner=liaoyy&pid=29396&revision=1.0-SNAPSHOT&side=consumer&timestamp=1593936941363, dubbo version: 2.5.6, current host: 169.254.105.124
Hello ,liaaoyang make you see liaoyyyyy
七月 05, 2020 4:15:42 下午 com.alibaba.dubbo.config.AbstractConfig info
信息:  [DUBBO] Run shutdown hook now., dubbo version: 2.5.6, current host: 169.254.105.124

Process finished with exit code 0