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中国建设银行春季招聘网站,网站seo技术能不能赚钱,杭州公司官方网站制作,杭州资质代办公司排名目录环境搭建 Dubbo的3种使用方式： 1. XML配置的方式，一般用于Spring MVC工程 2. 配置文件的方式 （spring boot工程） 3. 注解方式 Dubbo 控制台环境搭建本篇将介绍Spring boot zookeeper Dubbo 简易环境的搭建以及使用…

环境搭建

Dubbo的3种使用方式：

1. XML配置的方式，一般用于Spring MVC工程

2. 配置文件的方式（spring boot工程）

3. 注解方式

Dubbo 控制台

环境搭建

本篇将介绍Spring boot + zookeeper + Dubbo 简易环境的搭建以及使用，首先准备好一台虚拟机。

1. 在虚拟机上安装JDK8及以上版本，可以参考我的另一篇博客 https://www.cnblogs.com/chen1-kerr/p/6907280.html

2. 在虚拟机上安装zookeeper。可以是单机，也可以是集群。可以参考我的文件

单机： zookeeper 单机环境搭建（三）_chen_yao_kerr的博客-CSDN博客

集群： zookeeper集群（二）_zookeeper集群相互发现_chen_yao_kerr的博客-CSDN博客

3. 新建2个spring boot工程，一个是Server端，一个是client端，并且引入zookeeper 和 dubbo依赖的jar包。

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><parent><artifactId>dubbo-basic</artifactId><groupId>com.enjoy</groupId><version>1.0</version></parent><modelVersion>4.0.0</modelVersion><artifactId>busi-xml-server-client</artifactId><dependencies><dependency><groupId>com.enjoy</groupId><artifactId>busi-api</artifactId><version>1.0</version></dependency><!-- spring支持 --><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><!-- dubbo --><dependency><groupId>com.alibaba</groupId><artifactId>dubbo-config-spring</artifactId><version>${dubbo.version}</version></dependency><!-- zookeeper注册中心 --><dependency><groupId>com.alibaba</groupId><artifactId>dubbo-registry-zookeeper</artifactId><version>${dubbo.version}</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>dubbo-rpc-dubbo</artifactId><version>${dubbo.version}</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>dubbo-remoting-netty</artifactId><version>${dubbo.version}</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>dubbo-serialization-hessian2</artifactId><version>${dubbo.version}</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>${junit_version}</version></dependency></dependencies>
</project>

我本次使用的虚拟机IP是 192.168.0.105。因此，需要到这台虚拟机服务器上启动zookeeper

抽象出接口：

Dubbo的3种使用方式：

1. XML配置的方式，一般用于Spring MVC工程

服务端（Server）

服务端需要去实现这个接口，因为这个实现类要提供具体的业务处理逻辑：

服务端的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:context="http://www.springframework.org/schema/context"xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-3.1.xsdhttp://code.alibabatech.com/schema/dubbohttp://code.alibabatech.com/schema/dubbo/dubbo.xsd"><!--全局配置--><dubbo:provider timeout="3000" /><!-- 服务提供方应用名称, 方便用于依赖跟踪 --><dubbo:application name="busi-server"/><!-- 使用本地zookeeper作为注册中心 --><dubbo:registry address="zookeeper://192.168.0.105:2181" /><!--name指示使用什么协议监听端口：dubbo/rmi/rest--><dubbo:protocol id="d1"  name="dubbo" port="20880" /><dubbo:protocol id="d2"  name="dubbo" port="20882" /><!-- 通过xml方式配置为bean, 让spring托管和实例化 --><bean id="orderService" class="com.enjoy.service.OrderServiceImpl"/><!-- 声明服务暴露的接口，并暴露服务 --><dubbo:service interface="com.enjoy.service.OrderService" ref="orderService" protocol="d1" />
</beans>

、客户端（Consumer）：

<?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:context="http://www.springframework.org/schema/context"xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-3.1.xsdhttp://code.alibabatech.com/schema/dubbohttp://code.alibabatech.com/schema/dubbo/dubbo.xsd"><dubbo:application name="busi-client" /><dubbo:registry address="zookeeper://192.168.0.105:2181" /><dubbo:consumer /><dubbo:reference id="orderService" interface="com.enjoy.service.OrderService" /></beans>

启动Server：

启动客户端：

2. 配置文件的方式（spring boot工程）

首先在Server端定义配置文件：

开放一个业务类：

服务端加载配置：

在Consumer端定义配置文件

定义一个类，这个类要从远程服务器上拿到需要使用的实例

消费端调用：

3. 注解方式

这种方式其实和第2种方式基本一致，唯一的不同就是少了个配置文件，这个配置文件，多了些注入的类：

服务端代码：

/***   Licensed to the Apache Software Foundation (ASF) under one or more*   contributor license agreements.  See the NOTICE file distributed with*   this work for additional information regarding copyright ownership.*   The ASF licenses this file to You under the Apache License, Version 2.0*   (the "License"); you may not use this file except in compliance with*   the License.  You may obtain a copy of the License at**       http://www.apache.org/licenses/LICENSE-2.0**   Unless required by applicable law or agreed to in writing, software*   distributed under the License is distributed on an "AS IS" BASIS,*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.*   See the License for the specific language governing permissions and*   limitations under the License.**/package com.enjoy.dubbo.annotation;import com.alibaba.dubbo.config.ApplicationConfig;
import com.alibaba.dubbo.config.ProtocolConfig;
import com.alibaba.dubbo.config.ProviderConfig;
import com.alibaba.dubbo.config.RegistryConfig;
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;public class Provider {public static void main(String[] args) throws Exception {AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(ProviderConfiguration.class);context.start();System.out.println("---------dubbo启动成功--------");System.in.read();}@Configuration@EnableDubbo(scanBasePackages = "com.enjoy.service")static class ProviderConfiguration {@Beanpublic ProviderConfig providerConfig() {ProviderConfig providerConfig = new ProviderConfig();providerConfig.setTimeout(1000);return providerConfig;}@Beanpublic ApplicationConfig applicationConfig() {ApplicationConfig applicationConfig = new ApplicationConfig();applicationConfig.setName("busi-provider");return applicationConfig;}@Beanpublic RegistryConfig registryConfig() {RegistryConfig registryConfig = new RegistryConfig();registryConfig.setProtocol("zookeeper");registryConfig.setAddress("192.168.0.105");registryConfig.setPort(2181);return registryConfig;}@Beanpublic ProtocolConfig protocolConfig() {ProtocolConfig protocolConfig = new ProtocolConfig();protocolConfig.setName("dubbo");protocolConfig.setPort(20880);return protocolConfig;}}}

客户端：

/***   Licensed to the Apache Software Foundation (ASF) under one or more*   contributor license agreements.  See the NOTICE file distributed with*   this work for additional information regarding copyright ownership.*   The ASF licenses this file to You under the Apache License, Version 2.0*   (the "License"); you may not use this file except in compliance with*   the License.  You may obtain a copy of the License at**       http://www.apache.org/licenses/LICENSE-2.0**   Unless required by applicable law or agreed to in writing, software*   distributed under the License is distributed on an "AS IS" BASIS,*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.*   See the License for the specific language governing permissions and*   limitations under the License.**/package com.enjoy.dubbo.annotation;import com.alibaba.dubbo.config.ApplicationConfig;
import com.alibaba.dubbo.config.ConsumerConfig;
import com.alibaba.dubbo.config.RegistryConfig;
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import com.enjoy.action.ServiceConsumer;
import com.enjoy.entity.OrderEntiry;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;public class Consumer {public static void main(String[] args) {AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(ConsumerConfiguration.class);context.start();System.out.println("---------dubbo启动成功--------");ServiceConsumer serviceConsumer = context.getBean(ServiceConsumer.class);OrderEntiry entiry = serviceConsumer.getDetail("1");System.out.println("result: " + entiry.getMoney());}@Configuration@EnableDubbo(scanBasePackages = "com.enjoy.action")@ComponentScan(value = {"com.enjoy.action"})static class ConsumerConfiguration {@Beanpublic ApplicationConfig applicationConfig() {ApplicationConfig applicationConfig = new ApplicationConfig();applicationConfig.setName("busi-consumer");return applicationConfig;}@Beanpublic ConsumerConfig consumerConfig() {ConsumerConfig consumerConfig = new ConsumerConfig();consumerConfig.setTimeout(3000);return consumerConfig;}@Beanpublic RegistryConfig registryConfig() {RegistryConfig registryConfig = new RegistryConfig();registryConfig.setProtocol("zookeeper");registryConfig.setAddress("192.168.0.105");registryConfig.setPort(2181);return registryConfig;}}
}

其实，具体怎么用，可根据实际情况进行选择。如果是Spring MVC工程，选第一种方式比较好。如果是Spring boot工程，我个人倾向于选择第二种方式，也就是注解+配置文件的方式。