使用框架：
jdk 1.8
springboot-2.1.3
dubbo-2.6
spring-data-jpa-2.1.5
一、开发dubbo服务接口：
按照Dubbo官方开发建议，创建一个接口项目，该项目只定义接口和model类；
1、创建springboot工程 spring-boot-demo-dubbo-interface
坐标：
<groupId>com.example</groupId>
<artifactId>spring-boot-demo-dubbo-interface</artifactId>
<version>0.0.1-SNAPSHOT</version>
添加spring-data-jpa 依赖：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
2、创建model
package com.example.demo.model;
@Entity public class User implements Serializable{ private static final long serialVersionUID = 1L; @Id @GeneratedValue private long id; private String userName; private String password; private int age; public long getId() { return id; } //省略set get 方法
3、创建接口：
package com.example.demo.service; import com.example.demo.model.User; public interface UserService { public void save(User user); public String sayHello(String word); }
4、使用命令 clean install 打包安装到maven仓库。
阿里巴巴提供的dubbo集成springboot开源项目；
参考文档：
https://github.com/apache/dubbo-spring-boot-project/blob/0.2.x/README_CN.md
本工程采用该项目的jar包进行继承：
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
二、开发dubbo服务提供者:
1、创建一个Springboot项目spring-boot-demo-dubbo-provider并配置好相关的依赖；
pom.xml
<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>
<!-- 加入springboot与dubbo集成的起步依赖 -->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
<!-- 由于使用了zookeeper作为注册中心，则需要加入zookeeper的客户端jar包： -->
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.10</version>
</dependency>
<!-- spring-data-jpa -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<!-- 添加接口服务 -->
<dependency>
<groupId>com.example</groupId>
<artifactId>spring-boot-demo-dubbo-interface</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
</dependencies>2、在Springboot的核心配置文件application.properties中配置dubbo的信息：
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver spring.datasource.url=jdbc:mysql://localhost:3306/test?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&useSSL=true spring.datasource.username=root spring.datasource.password=root spring.jpa.properties.hibernate.hbm2ddl.auto=create spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect spring.jpa.properties.hibernate.format_sql=true spring.jpa.show-sql=true # 访问端口 server.port=8080 # dubbo配置 dubbo.application.name=springboot-dubbo-provider dubbo.registry.address=zookeeper://192.168.146.128:2181
3、开发编写Dubbo的接口实现类：
package com.example.demo.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import com.alibaba.dubbo.config.annotation.Service; import com.example.demo.model.User; import com.example.demo.repository.UserRepository; @Component //注册为spring bean @Service // 这注解是dubbo提供的 public class UserServiceImpl implements UserService { @Autowired private UserRepository userRepository; @Override public void save(User user) { userRepository.save(user); } @Override public String sayHello(String word) { return word; } }
4、入口main程序启动Dubbo服务提供者：添加注解 @EnableDubbo
package com.example.demo; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo; @SpringBootApplication @EnableDubbo public class SpringBootDemoDubboProviderApplication { public static void main(String[] args) { SpringApplication.run(SpringBootDemoDubboProviderApplication.class, args); } }
启动main ，服务发布到zookeeper 注册中心。
三、开发dubbo服务消费者：
1、创建一个Springboot项目spring-boot-demo-dubbo-consumer并配置好相关的依赖；
2、加入springboot与dubbo集成的起步依赖：(pom.xml 配置同上)
注意： 服务提供者 和 消费者都要配置 服务接口依赖
3、在Springboot的核心配置文件application.properties中配置dubbo的信息：
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver spring.datasource.url=jdbc:mysql://localhost:3306/test?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&useSSL=true spring.datasource.username=root spring.datasource.password=root # WEBu670Du52A1u7AEFu53E3 server.port=8081 # dubbou914Du7F6E dubbo.application.name=springboot-dubbo-consumer dubbo.registry.address=zookeeper://192.168.146.128:2181
4、编写一个Controller类，调用远程的Dubbo服务：
package com.example.demo.controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import com.alibaba.dubbo.config.annotation.Reference; import com.example.demo.model.User; import com.example.demo.service.UserService; @RestController public class UserController { @Reference //该注解是dubbo提供的 private UserService userService; @RequestMapping("/say") public String sayHello(String name) { return userService.sayHello(name); } @RequestMapping("/save") public void save() { User u = new User(); u.setAge(20); u.setPassword("123"); u.setUserName("zheng"); userService.save(u); } }
5、启动类添加 开启dubbo 注解 @EnableDubbo
package com.example.demo; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo; @SpringBootApplication @EnableDubbo public class SpringBootDemoDubboConsumerApplication { public static void main(String[] args) { SpringApplication.run(SpringBootDemoDubboConsumerApplication.class, args); } }
6、启动main方法。
7、调用远程接口：
http://localhost:8081/say?name=hello
一个简单的springboot基于dubbo的服务接口开发完成。