dubbo 点对点消费端

原创已于 2022-10-13 15:16:00 修改 · 571 阅读

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#dubbo #java #spring

于 2022-10-13 15:10:58 首次发布

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本文介绍了如何在Java项目中配置Dubbo消费者端，通过排除slf4j依赖，引入dubbo和服务端项目的指定版本。并展示了Consumer类的调用示例以及consumer.xml配置文件内容，强调了点对点消费方式和版本匹配的重要性。

pom 中尽量排除 slf4j

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.3.6</version>
</dependency>

<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.6.6</version>
</dependency>
<dependency>
<groupId>服务端项目组</groupId>
       <artifactId>服务端项目名</artifactId>
       <version>版本</version>
       <exclusions>
           <exclusion>
               <groupId>org.slf4j</groupId>
               <artifactId>slf4j-api</artifactId>
           </exclusion>
       </exclusions>
</dependency>

public class Consumer {

   public static void main(String[] args) throws Exception {
   ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("consumer.xml");
   context.start();
   ProviderService providerService =(ProviderService)context.getBean("providerService");
   String hello = providerService.SayHello("hello");
   System.out.println( hello ); // 显示调用结果
   }
}

consumer.xml

<?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://dubbo.apache.org/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd http://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd">


<dubbo:application name="consumer" owner="sihai"/>

<dubbo:registry address="N/A" />
<dubbo:protocol name="dubbo" port="8005" />


<dubbo:reference id="providerService" version="1.0.0"
interface="com.www.service.ProviderService"
url="dubbo://127.0.0.1:8005/com.www.service.ProviderService" />
</beans>