SpringBoot 2.0 + Apache Dubbo 2.7.3 最新版整合方案

原文链接：https://www.cnblogs.com/smallSevens/p/11526832.html

配置
dubbo 捐精给 Apache 以后，也就意味着之前 dubbo 以及 spring-boot-starter 坐标也变了，当然之前的还可以用，但是要使用新版本的小伙伴建议看这里。

Zookeeper 注册中心版
pom.xml 引入坐标：

org.apache.dubbo dubbo 2.7.3 org.apache.zookeeper zookeeper 3.5.3-beta org.apache.curator curator-framework 4.2.0 org.apache.curator curator-recipes 4.2.0 org.apache.dubbo dubbo-spring-boot-starter 2.7.3 配置文件：

dubbo.application.id=mail
dubbo.application.name=mail
dubbo.registry.address=zookeeper://106.13.122.117:2181
dubbo.provider.threads=10
dubbo.provider.threadpool=fixed
dubbo.provider.loadbalance=roundrobin
dubbo.server=true
dubbo.protocol.name=dubbo
dubbo.protocol.port=-1
启动类：

@SpringBootApplication
//必须配置包扫描、否则dubbo无法注册服务，实现类加扫描也不行，日狗不是
@dubboComponentScan(basePackages = “com.itstyle.mail.service.impl”)
public class Application {
private static final Logger logger = LoggerFactory.getLogger(Application.class);

public static void main(String[] args){
    SpringApplication.run(Application.class, args);
    logger.info("邮件服务项目启动");
}

}
提供者接口实现：

引入 apache 包、之前的还可以用，不过已过时

import org.apache.dubbo.config.annotation.Service;

@Service(version = “1.0.0”)
public class MailServiceImpl implements IMailService {

}
消费引用：

import org.apache.dubbo.config.annotation.Reference;

@RestController
@RequestMapping("/mail")
public class mailController {

@Reference(version = "1.0.0")
private IMailService mailService;

}
Nacos 注册中心版

org.apache.dubbo dubbo 2.7.3 org.apache.dubbo dubbo-registry-nacos 2.7.3 com.alibaba.nacos nacos-client 1.1.3 配置文件：

nacos.config.server-addr=47.104.197.9:8848
dubbo.application.name = spring-boot-mail
dubbo.registry.address = nacos://47.104.197.9:8848
dubbo.protocol.name=dubbo
dubbo.protocol.port=-1
启动类：

@SpringBootApplication
//必须配置包扫描、否则dubbo无法注册服务
@Enabledubbo(scanBasePackages = “com.itstyle.mail.service.impl”)
public class Application {
private static final Logger logger = LoggerFactory.getLogger(Application.class);

public static void main(String[] args){
    SpringApplication.run(Application.class, args);
    logger.info("邮件服务项目启动");
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