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第一步 搭建zookeeper环境
在centos窗口中，执行如下命令，拉取镜像，并启动zookeeper容器
docker pull zookeeperdocker run -d -v /home/docker/zookeeperhost/zookeeperDataDir:/data -v /home/docker/zookeeperhost/zookeeperDataLogDir:/datalog -e ZOO_MY_ID=1 -e ZOO_SERVERS='server.1=125.77.116.145:2888:3888' -p 2182:2181 -p 2888:2888 -p 3888:3888 --name zookeeper --privileged zookeeper注：
zookeeper默认连接端口是2181 但本文测试用例时由于被其他程序占走，故使用2182。
读者请自行创建映射目录zookeeperDataDir | zookeeperDataLogDir
第二步 springboot集成dubbo
1.项目目录机构
说明：
api目录：存放消费者与提供者调用的service接口
consumer目录：消费者目录 调用提供者远程提供的接口实现
provider目录：提供者目录 提供给消费者接口实现
读者请自行创建项目目录（创建空项目，然后在空项目中新建三个module）
项目案例说明：业务假设场景=》 产品购买消费金额（consumer）同时并返回所有消费的总金额（需要调用到provider项目中服务实现）。
2.代码编写
2.1 api目录
接口编写
1.1.在com.dubbo.api.service（读者请自行创建,下同，package创建将不一一赘述）包下创建CostService.java
package com.dubbo.api.service;public interface CostService { Integer add(int cost);}1.2.pom.xml
<?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"> <modelVersion>4.0.0</modelVersion> <groupId>com.dubbo</groupId> <artifactId>api</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>api</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.0.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build></project>2.2 consumer目录 web访问、接口调用以及dubbo配置编写
2.1.引入 dubbo-spring-boot-starter 以及 上述的api模块
<?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"> <modelVersion>4.0.0</modelVersion> <groupId>com.dubbo</groupId> <artifactId>api</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>api</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.0.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build></project>2.2.在resources目录下 创建application.yml,并编写dubbo配置
<?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"> <modelVersion>4.0.0</modelVersion> <groupId>com.dubbo</groupId> <artifactId>consumer</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>consumer</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.0.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!--引入api模块--> <dependency> <groupId>com.dubbo</groupId> <artifactId>api</artifactId> <version>0.0.1-SNAPSHOT</version> <scope>compile</scope> </dependency> <!--引入dubbo环境--> <dependency> <groupId>com.alibaba.boot</groupId> <artifactId>dubbo-spring-boot-starter</artifactId> <version>0.2.0</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build></project>2.3.使用 @EnableDubbo 注解开启dubbo
ConsumerApplication.java 启动类
package com.dubbo.consumer;import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication@EnableDubbopublic class ConsumerApplication { public static void main(String[] args) { SpringApplication.run(ConsumerApplication.class, args); }}2.4.编写产品service接口 ProductService.java
package com.dubbo.consumer.service;public interface ProductService { Integer getCost(int a);}2.5.编写产品接口的实现，并调用远程服务CostService 。 ProductServiceImpl.java
package com.dubbo.consumer.service.impl;import com.alibaba.dubbo.config.annotation.Reference;import com.dubbo.api.service.CostService;import com.dubbo.consumer.service.ProductService;import org.springframework.stereotype.Service;@Servicepublic class ProductServiceImpl implements ProductService { @Reference private CostService costService; @Override public Integer getCost(int a) { return costService.add(a); }}2.6.编写访问类，ProductController.java
package com.dubbo.consumer.controller;import com.dubbo.consumer.service.ProductService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;@RestControllerpublic class ProductController { @Autowired private ProductService productService; @RequestMapping("/add") public String getCost(int a){ return "该产品总共消费 ："+productService.getCost(a); }}2.3 provider目录 api接口实现以及dubbo配置
1.引入 dubbo-spring-boot-starter 以及 上述的api模块
<?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"> <modelVersion>4.0.0</modelVersion> <groupId>com.dubbo</groupId> <artifactId>provider</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>provider</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.0.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> <!--引入api--> <groupId>com.dubbo</groupId> <artifactId>api</artifactId> <version>0.0.1-SNAPSHOT</version> <scope>compile</scope> <!--引入dubbo环境--> <groupId>com.alibaba.boot</groupId> <artifactId>dubbo-spring-boot-starter</artifactId> <version>0.2.0</version> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build></project>2.在resources目录下 创建application.yml,并编写dubbo配置
dubbo: application: name: dubbo-provider registry: address: 125.77.116.145:2182 # 读者请自行更改zookeeper地址 protocol: zookeeper check: false protocol: name: dubbo port: 30003 monitor: protocol: register consumer: check: false timeout: 3000server: port: 80613.使用 @EnableDubbo 注解开启dubbo
ConsumerApplication.java 启动类
package com.dubbo.provider;import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication@EnableDubbopublic class ProviderApplication { public static void main(String[] args) { SpringApplication.run(ProviderApplication.class, args); }}3.编写CostService服务实现 CostServiceImpl.java
package com.dubbo.provider.service.impl;import com.alibaba.dubbo.config.annotation.Service;import com.dubbo.api.service.CostService;@Servicepublic class CostServiceImpl implements CostService { private final Integer totalCost = 1000; @Override public Integer add(int cost) { return totalCost + cost; }}第三步 测试dubbo远程服务调用
编写第二步代码完成后 ，启动consumer项目，以及provider项目
在浏览器中访问 http://localhost:8062/add?a=100
出现如上结果即为调用成功
第四步 dubbo管理平台
本文将运维项目代码
这里需要修改一个配置D:learnplaceincubator-dubbo-opsdubbo-adminsrcmain esourcesapplication.properties
## 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.#server.port=8001#服务器端口 server.portspring.velocity.cache=falsespring.velocity.charset=UTF-8spring.velocity.layout-url=/templates/default.vmspring.messages.fallback-to-system-locale=falsespring.messages.basename=i18n/messagespring.root.password=rootspring.guest.password=guest#访问的密码配置 spring.root.password spring.guest.password#dubbo.registry.address=zookeeper://127.0.0.1:2181dubbo.registry.address=zookeeper://125.77.116.145:2182#zookeeper地址在D:learnplaceincubator-dubbo-opsdubbo-admin目录下 ，进入cmd窗口执行
mvn claen package 打包项目，
4.然后进入D:learnplaceincubator-dubbo-opsdubbo-admin arget ，进入cmd窗口执行
java -jar dubbo-admin-0.0.1-SNAPSHOT.jar 运行项目
5.启动成功后 浏览器访问http://localhost:8001 输入账号：root / 密码：root 即可。
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