SpringBoot 2.1.4 整合 Dubbo【超详细 & 附源码】

目录

一、版本及说明

二、项目结构介绍

三、整合开始

1、创建springboot-dubbo-paren父工程(pom)

2、创建springboot-dubbo-public-api-service公共Api接口工程(pom)

3、创建springboot-dubbo-public-api-member-service会员服务接口工程(jar)

4、创建springboot-dubbo-api-member-service-impl会员服务实现工程(jar)

5、创建springboot-dubbo-order-web订单工程(jar)

四、启动项目

五、项目打包

六、源码下载

一、版本及说明
JDK:1.8

SpringBoot:2.1.4.RELEASE

ZooKeeper:3.4.14 

Dubbo:0.2.0(dubbo-spring-boot-starter)

ZooKeeper下载地址:https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/stable/zookeeper-3.4.14.tar.gz

二、项目结构介绍


三、整合开始
1、创建springboot-dubbo-paren父工程(pom)
1、创建完成后删除 src 目录

2、父工程pom依赖如下:

<?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>
 
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.4.RELEASE</version>
        <relativePath/>
    </parent>
 
    <groupId>com.slming</groupId>
    <artifactId>springboot-dubbo-parent</artifactId>
    <packaging>pom</packaging>
 
    <version>1.0-SNAPSHOT</version>
 
    <modules>
        <module>springboot-dubbo-public-api-service</module>
        <module>springboot-dubbo-api-member-service-impl</module>
        <module>springboot-dubbo-order-web</module>
    </modules>
 
    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.Encoding>UTF-8</project.reporting.Encoding>
    </properties>
 
    <dependencies>
        <!-- Dubbo -->
        <dependency>
            <groupId>com.alibaba.boot</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
            <version>0.2.0</version>
        </dependency>
 
        <!-- Zookeeper -->
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>3.4.6</version>
            <type>pom</type>
        </dependency>
 
        <!-- Web -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>
 
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>
2、创建springboot-dubbo-public-api-service公共Api接口工程(pom)
注意:该工程为父工程(springboot-dubbo-paren)下的子工程(Module)

1、创建完成后删除 src 目录

2、公共Api接口工程pom依赖如下:

<?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">
 
    <!-- 继承自父工程 -->
    <parent>
        <artifactId>springboot-dubbo-parent</artifactId>
        <groupId>com.slming</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
 
    <packaging>pom</packaging>
    
    <modules>
        <module>springboot-dubbo-public-api-member-service</module>
    </modules>
 
    <artifactId>springboot-dubbo-public-api-service</artifactId>
 
</project>
3、创建springboot-dubbo-public-api-member-service会员服务接口工程(jar)
注意:该工程为公共Api接口工程(springboot-dubbo-public-api-service)的子工程,右击 公共Api接口工程  依次选择 “New”--->"Module" 

1、会员服务接口工程pom依赖如下:

<?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">
 
    <!-- 父工程为公共API接口工程 -->
    <parent>
        <artifactId>springboot-dubbo-public-api-service</artifactId>
        <groupId>com.slming</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
 
    <modelVersion>4.0.0</modelVersion>
    <packaging>jar</packaging>
 
    <artifactId>springboot-dubbo-public-api-member-service</artifactId>
 
</project>
2、创建会员服务接口:com.slming.api.memeber.IMemberService

package com.slming.api.memeber;
 
/**
 * @author itslm
 */
public interface IMemberService {
 
    /**
     * 获取会员
     * <br/>
     * <p>Author: Leiming She</p>
     * <p>Date: 2019-04-29 10:05:36</p>
     *
     * @param username 用户名
     * @return java.lang.String
     */
    String getMember(String username);
}
4、创建springboot-dubbo-api-member-service-impl会员服务实现工程(jar)
注意:该工程为父工程(springboot-dubbo-paren)下的子工程(Module)

1、会员服务实现工程pom依赖如下:

<?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">
 
    <!-- 继承自父工程 -->
    <parent>
        <artifactId>springboot-dubbo-parent</artifactId>
        <groupId>com.slming</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
 
    <modelVersion>4.0.0</modelVersion>
 
    <packaging>jar</packaging>
 
    <artifactId>springboot-dubbo-api-member-service-impl</artifactId>
 
    <dependencies>
        <dependency>
            <artifactId>springboot-dubbo-public-api-member-service</artifactId>
            <groupId>com.slming</groupId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>
 
</project>
2、创建会员服务实现类:com.slming.api.memeber.impl.MemberServiceImpl

注意:该类的 @Service 注解为 com.alibaba.dubbo.config.annotation.Service 包下的,不要导错包哦~

package com.slming.api.memeber.impl;
 
import com.alibaba.dubbo.config.annotation.Service;
import com.slming.api.memeber.IMemberService;
 
/**
 * @author itslm
 */
@Service
public class MemberServiceImpl implements IMemberService {
 
    /**
     * 获取会员
     * <br/>
     * <p>Author: Leiming She</p>
     * <p>Date: 2019-04-29 10:05:36</p>
     *
     * @param username 用户名
     * @return java.lang.String
     */
    @Override
    public String getMember(String username) {
        return "Dubbo:" + username;
    }
}
3、创建application.yml文件:

server:
  port: 8080
dubbo:
  application:
    name: member
  protocol:
    port: 20880
    name: dubbo
  registry:
    address: zookeeper://127.0.0.1:2181
4、创建应用启动类:com.slming.AppMemberApplication

注意:需要加上 @EnableDubbo 注解,开启Dubbo支持

package com.slming;
 
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 
/**
 * @author itslm
 */
@SpringBootApplication
@EnableDubbo
public class AppMemberApplication {
 
    public static void main(String[] args) {
        SpringApplication.run(AppMemberApplication.class, args);
    }
}
5、创建springboot-dubbo-order-web订单工程(jar)
注意:该工程为父工程(springboot-dubbo-paren)下的子工程(Module)

1、订单工程pom依赖如下:

<?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>springboot-dubbo-parent</artifactId>
        <groupId>com.slming</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
 
    <modelVersion>4.0.0</modelVersion>
 
    <packaging>jar</packaging>
 
    <artifactId>springboot-dubbo-order-web</artifactId>
 
    <dependencies>
        <dependency>
            <artifactId>springboot-dubbo-public-api-member-service</artifactId>
            <groupId>com.slming</groupId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>
</project>
2、创建订单访问类:com.slming.order.controller.OrderController

注意:此处不再使用 @Autoware 进行注入,

           而使用 com.alibaba.dubbo.config.annotation.Reference 包下的 @Reference 注入

package com.slming.order.controller;
 
import com.alibaba.dubbo.config.annotation.Reference;
import com.slming.api.memeber.IMemberService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
 
/**
 * @author itslm
 */
@RestController
public class OrderController {
 
    @Reference
    private IMemberService memberService;
 
    @GetMapping("getMember/{username}")
    public String getMember(@PathVariable("username") String username){
        return memberService.getMember(username);
    }
}
3、创建application.yml文件:

server:
  port: 8082
dubbo:
  application:
    name: order
  registry:
    address: zookeeper://127.0.0.1:2181
  consumer:
    timeout: 5000
4、创建应用启动类:com.slming.AppOrderApplication

注意:需要加上 @EnableDubbo 注解,开启Dubbo支持

package com.slming;
 
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
 
/**
 * @author itslm
 */
@EnableDubbo
@SpringBootApplication
public class AppOrderApplication {
 
    public static void main(String[] args) {
        SpringApplication.run(AppOrderApplication.class, args);
    }
}
四、启动项目
1、启动zookeeper注册中心

2、启动会员服务实现项目(springboot-dubbo-api-member-service-impl)

3、启动订单项目(springboot-dubbo-order-web)

4,打开浏览器输入:localhost:8082/getMember/itslm    回车,若显示如下页面即 整合成功 !

五、项目打包
1、直接在父工程中执行 install 即可

2、若打包成功,控制台底部会输出如下信息:

由于输出信息较多,上边的信息省略......此处只贴出了最下边的输出信息。
 
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] springboot-dubbo-parent 1.0-SNAPSHOT ............... SUCCESS [  0.320 s]
[INFO] springboot-dubbo-public-api-service ................ SUCCESS [  0.020 s]
[INFO] springboot-dubbo-public-api-member-service ......... SUCCESS [  2.450 s]
[INFO] springboot-dubbo-api-member-service-impl ........... SUCCESS [  1.440 s]
[INFO] springboot-dubbo-order-web 1.0-SNAPSHOT ............ SUCCESS [  0.550 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5.660 s
[INFO] Finished at: 2019-04-30T15:23:35+08:00
[INFO] ------------------------------------------------------------------------
 
Process finished with exit code 0
3、查看jar包

此时,在会员实现项目(springboot-dubbo-api-member-service-impl)和订单项目(springboot-dubbo-order-web)目录下的会多出 target 目录,里边就有打包好的 jar 包,分别为:

springboot-dubbo-api-member-service-impl-1.0-SNAPSHOT.jar

springboot-dubbo-order-web-1.0-SNAPSHOT.jar

4、运行jar包:

在jar包所在的目录内打开命令行窗口,按下方顺序依次执行(注意:顺序不能颠倒,否则访问会抛出 500 错误)

java -jar springboot-dubbo-api-member-service-impl-1.0-SNAPSHOT.jar
 
java -jar springboot-dubbo-order-web-1.0-SNAPSHOT.jar
六、源码下载
GitHub源码地址:https://github.com/sheleiming/springboot-dubbo-parent

若有疏忽和错误之处,欢迎大家批评指正,以便不断完善。如有疑问请留言或联系博主:[email protected]

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