詳解SpringBoot開(kāi)發(fā)案例之整合Dubbo分布式服務(wù)

<?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:dubbo="http://code.alibabatech.com/schema/dubbo"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://code.alibabatech.com/schema/dubbo
    http://code.alibabatech.com/schema/dubbo/dubbo.xsd
    ">
  <!-- 記錄監(jiān)控信息 -->
  <dubbo:monitor protocol="registry"/>
  <!-- 提供方應(yīng)用信息，用于計(jì)算依賴(lài)關(guān)系 -->
  <dubbo:application name="spring-boot-pay" />
  <!-- 使用zookeeper注冊(cè)中心暴露服務(wù)地址 subscribe 默認(rèn)：true 是否向此注冊(cè)中心訂閱服務(wù)，如果設(shè)為false，將只注冊(cè)，不訂閱 check 默認(rèn)：true 注冊(cè)中心不存在時(shí)，是否報(bào)錯(cuò)  -->
  <dubbo:registry protocol="zookeeper" address="192.168.1.180:2181" check="false"/>
  <!-- 
        生產(chǎn)者配置 生產(chǎn)者 遠(yuǎn)程默認(rèn)調(diào)用3次 參數(shù) retries="2" async="true" 異步返回結(jié)果 默認(rèn)是同步 timeout="10000" 毫秒
        用dubbo協(xié)議在20882端口暴露服務(wù) 固定線(xiàn)程池 10 啟動(dòng)時(shí)建立線(xiàn)程，不關(guān)閉，一直持有 負(fù)載均衡策略 輪詢(xún)
   -->
  <dubbo:provider timeout="10000" threads="10" threadpool="fixed" loadbalance="roundrobin"/>
  <!-- name="dubbo" 協(xié)議名稱(chēng)  為防止被大量連接撐掛，可在服務(wù)提供方限制大接收連接數(shù)，以實(shí)現(xiàn)服務(wù)提供方自我保護(hù)。 host 部署外網(wǎng)設(shè)置為內(nèi)網(wǎng)通信地址-->
  <dubbo:protocol name="dubbo" port="-1" dispatcher="all" accepts="1000"  />

  <!-- 使用注解方式-->   
  <dubbo:annotation package="com.itstyle"/>
</beans>

@SpringBootApplication
@ImportResource({"classpath:spring-context-dubbo.xml"})
public class Application{
  private static final Logger logger = Logger.getLogger(Application.class);

  public static void main(String[] args) throws InterruptedException,
      IOException {
    logger.info("支付項(xiàng)目啟動(dòng) ");
  }
}

<!-- dubbo 替換 dubbox-->
<dependency>
  <groupId>com.alibaba</groupId>
  <artifactId>dubbo</artifactId>
  <version>2.6.2</version>
</dependency>
<dependency>
  <groupId>com.alibaba.spring.boot</groupId>
  <artifactId>dubbo-spring-boot-starter</artifactId>
  <version>2.0.0</version>
</dependency>
<!-- curator-recipes 替換 zkclient-->
<dependency>
  <groupId>org.apache.curator</groupId>
  <artifactId>curator-recipes</artifactId>
  <version>4.0.1</version>
</dependency>

## dubbo springboot 配置
spring.dubbo.application.id=springboot_pay
spring.dubbo.application.name=springboot_pay
spring.dubbo.registry.address=zookeeper://192.168.1.127:2181
spring.dubbo.provider.threads=10
spring.dubbo.provider.threadpool=fixed
spring.dubbo.provider.loadbalance=roundrobin
spring.dubbo.server=true
spring.dubbo.protocol.name=dubbo

@EnableDubboConfiguration
@SpringBootApplication
public class Application{
  private static final Logger logger = Logger.getLogger(Application.class);

  public static void main(String[] args) throws InterruptedException,
      IOException {
    logger.info("支付項(xiàng)目啟動(dòng) ");
  }
}

import org.springframework.stereotype.Component;
import com.alibaba.dubbo.config.annotation.Service;

@Service
@Component
public class AliPayServiceImpl implements IAliPayService {
   //省略代碼
}