首先是pom.xml的依赖:
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.5.3</version>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.8</version>
<exclusions>
<exclusion>
<artifactId>activation</artifactId>
<groupId>javax.activation</groupId>
</exclusion>
<exclusion>
<artifactId>mail</artifactId>
<groupId>javax.mail</groupId>
</exclusion>
<exclusion>
<artifactId>slf4j-log4j12</artifactId>
<groupId>org.slf4j</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.6</version>
<exclusions>
<exclusion>
<artifactId>slf4j-log4j12</artifactId>
<groupId>org.slf4j</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.13</version>
</dependency>
然后先讲提供方的xml配置:
<?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
">
<bean id="demoService" class="com.zking.service.impl.DemoService"/>
<!-- 提供方应用信息,用于计算依赖关系 -->
<dubbo:application name="xixi_provider"/>
<!-- 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://127.0.0.1:2181"/>
<!-- 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="com.zking.service.IDemoService" ref="demoService"/>
</beans>
然后建立IDemoService接口和实现类DemoService,在实现类中注解@Service有两个,不要调错了,一定调的是dubbo的Service
import com.alibaba.dubbo.config.annotation.Service;
import com.test.service.IDemoService;
@Service
public class DemoService implements IDemoService {
@Override
public void sayHello() {
System.out.println("Hello World!");
}
@Override
public String test(String out) {
return out+"成功";
}
}
然后是Application(里面的dubbo-provider.xml就是提供方配置的xml):
@SpringBootApplication
@ImportResource(
value = {"classpath:dubbo-provider.xml"}
)
public class Application{
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
System.out.println("服务端启动成功");
}
}
然后运行成功后就能在dubbo-admin(dubbo-admin然后安装我博客中有具体步骤)中看到提供方的信息了:
然后是消费方,消费方的依赖和提供方的依赖是一样的,其次是消费方的接口需要和提供方的接口一摸一样,消费方才能以此调用到提供方的方法,由于作者用的是同一台电脑的两个项目来做提供方和服务方,如果你也一样,记得把application.propertie或是application.yml中的端口号改为不一样的,不然会报错(不要问我为什么知道的~)
然后是消费方的xml配置:
<?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-4.3.xsd
http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
<!-- 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="hehe_consumer" />
<!-- 使用zookeeper注册中心暴露服务地址 -->
<!-- <dubbo:registry address="multicast://224.5.6.7:1234" /> -->
<dubbo:registry check="false" address="zookeeper://127.0.0.1:2181" />
<!-- 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="com.test.service.IDemoService" />
</beans>
消费方的application:
@SpringBootApplication
@ImportResource(value = { "classpath:dubbo-consumer.xml" })
public class DubboConsumerApplication {
public static void main(String[] args) {
SpringApplication.run(DubboConsumerApplication.class, args);
}
}
消费方的Controller对提供方的方法调用:
@Controller
public class testControlle {
@Autowired
private IDemoService ids;
@RequestMapping("test")
@ResponseBody
public String test(){
System.out.println(ids.test("测试"));
return "成功";
}
}
在Application成功启动后,刷新dubbo-admin就能看到消费端的信息:
以上就是一个SpringBoot加Dubbo在Maven环境上的简单集成使用。