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  • dubbo-环境搭建,实现一个简单地dubbo实例(附github地址)

    一、建立maven模块和provider、consumer、service子模块,其中service是开发接口的模块

             建立一个maven模块,不选择样板,直接next知道完成,建立三个子模块,建立完后发现各个模块的java目录不是源目录

             右键——>make Directory as

             provider模块和consumer模块都依赖service模块,需要导入依赖

    二、在父模块导入所需的最少jar包

    <dependencies>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-core</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-beans</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>dubbo</artifactId>
                <version>2.5.3</version>
                <exclusions>
                    <exclusion>
                        <artifactId>spring</artifactId>
                        <groupId>org.springframework</groupId>
                    </exclusion>
                </exclusions>
            </dependency>
        </dependencies>
    View Code

    三、写provider的spring配置文件

    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
           xmlns="http://www.springframework.org/schema/beans"
           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">
    
        <dubbo:application name="demo2"></dubbo:application>
        <dubbo:registry address="multicast://224.5.6.7:1234"></dubbo:registry>
        <dubbo:protocol name="dubbo" port="20880"></dubbo:protocol>
        <dubbo:service interface="com.dr.RegistryService" ref="registryService"></dubbo:service>
        <bean id="registryService" class="com.dr.StuRegistryService"></bean>
    </beans>
    View Code

        有几点需要注意的地方:

         1.http://code.alibabatech.com/schema/dubbo这个地方和官网的不一样,因为使用的版本不同,需根据dubbo的jar包中的dubbo.xsd确定

         2.<dubbo:registry address="multicast://224.5.6.7:1234"/>,水平有限,发现不用这个地址配置,就运行错误,官网这样解释:

            The demo uses multicast as the registry since it is simple and does not require to extra installation

            使用多播地址作为注册处,这样比较简单,不用额外安装

         剩下的在dubbo官网有,自己的gitHub做了一点修改之后也可以直接运行,博客作为个人的学习笔记

    gitHub地址:https://github.com/dengrongrong/my-dubbo-demo1

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  • 原文地址:https://www.cnblogs.com/dengrong/p/10977310.html
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