“看看星空,會覺得自己很渺小,可能我們在宇宙中從來就是一個偶然。所以,無論什么事情,仔細(xì)想一想,都沒有什么大不了的。這能幫助自己在遇到挫折時穩(wěn)定心態(tài),想得更開?!? – 《騰訊傳》
一、為啥整合 Dubbo 實現(xiàn) SOA二、運行 springboot-dubbo-server 和 springboot-dubbo-client 工程三、springboot-dubbo-server 和 springboot-dubbo-client 工程配置詳解
Spring Boot 系列文章:《Spring Boot 那些事》
解壓 ZooKeeper
tar zxvf zookeeper-3.4.8.tar.gz
在 conf 目錄新建 zoo.cfg ,照著該目錄的 zoo_sample.cfg 配置如下。
cd zookeeper-3.3.6/conf
vim zoo.cfg
zoo.cfg 代碼如下(自己指定 log 文件目錄):
tickTime=2000
dataDir=/javaee/zookeeper/data
dataLogDir=/javaee/zookeeper/log
clientPort=2181
在 bin 目錄下,啟動 ZooKeeper:
cd zookeeper-3.3.6/bin
./zkServer.sh start
然后,Maven 編譯安裝這個工程:
cd springboot-learning-example
mvn cleaninstall
右鍵運行 springboot-dubbo-client 工程 ClientApplication 應(yīng)用啟動類的 main 函數(shù)。Console 中出現(xiàn)如下:
...
2017-03-01 16:31:38.473 INFO 9896 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beansfor JMX exposure on startup
2017-03-01 16:31:38.538 INFO 9896 --- [ main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8081 (http)
2017-03-01 16:31:38.547 INFO 9896 --- [ main] org.spring.springboot.ClientApplication : Started ClientApplicationin 6.055 seconds (JVM runningfor 7.026)
City{id=1, provinceId=2, cityName='溫嶺', description='是我的故鄉(xiāng)'}
springboot-dubbo-server 工程目錄結(jié)構(gòu)
├── pom.xml
└── src
└── main
├── java
│ └── org
│ └── spring
│ └── springboot
│ ├── ServerApplication.java
│ ├── domain
│ │ └── City.java
│ └── dubbo
│ ├── CityDubboService.java
│ └── impl
│ └── CityDubboServiceImpl.java
└── resources
└── application.properties
pom.xml 中依賴了 spring-boot-starter-dubbo 工程,該項目地址是 https://github.com/teaey/spring-boot-starter-dubbo。pom.xml 配置如下
<?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>
<groupId>springboot</groupId>
<artifactId>springboot-dubbo-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springboot-dubbo 服務(wù)端:: 整合 Dubbo/ZooKeeper 詳解 SOA 案例</name>
<!-- Spring Boot 啟動父依賴 -->
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.1.RELEASE</version>
</parent>
<properties>
<dubbo-spring-boot>1.0.0</dubbo-spring-boot>
</properties>
<dependencies>
<!-- Spring Boot Dubbo 依賴 -->
<dependency>
<groupId>io.dubbo.springboot</groupId>
<artifactId>spring-boot-starter-dubbo</artifactId>
<version>${dubbo-spring-boot}</version>
</dependency>
<!-- Spring Boot Web 依賴 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- Spring Boot Test 依賴 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- Junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
</dependencies>
</project>
b.application.properties 配置
## Dubbo 服務(wù)提供者配置
spring.dubbo.application.name=provider
spring.dubbo.registry.address=zookeeper://127.0.0.1:2181
spring.dubbo.protocol.name=dubbo
spring.dubbo.protocol.port=20880
spring.dubbo.scan=org.spring.springboot.dubbo
c.CityDubboServiceImpl.java 城市業(yè)務(wù) Dubbo 服務(wù)層實現(xiàn)層類
// 注冊為 Dubbo 服務(wù)
@Service(version ="1.0.0")
public class CityDubboServiceImplimplements CityDubboService {
public City findCityByName(String cityName) {
return new City(1L,2L,"溫嶺","是我的故鄉(xiāng)");
}
}
springboot-dubbo-client 工程目錄結(jié)構(gòu)
├── pom.xml
└── src
└── main
├── java
│ └── org
│ └── spring
│ └── springboot
│ ├── ClientApplication.java
│ ├── domain
│ │ └── City.java
│ └── dubbo
│ ├── CityDubboConsumerService.java
│ └── CityDubboService.java
└── resources
└── application.properties
a.application.properties 配置
## 避免和 server 工程端口沖突
server.port=8081
## Dubbo 服務(wù)消費者配置
spring.dubbo.application.name=consumer
spring.dubbo.registry.address=zookeeper://127.0.0.1:2181
spring.dubbo.scan=org.spring.springboot.dubbo
b.CityDubboConsumerService.java 城市 Dubbo 服務(wù)消費者
@Component
public class CityDubboConsumerService {
@Reference(version ="1.0.0")
CityDubboService cityDubboService;
public void printCity() {
String cityName="溫嶺";
City city = cityDubboService.findCityByName(cityName);
System.out.println(city.toString());
}
}
@SpringBootApplication
public class ClientApplication {
public static void main(String[] args) {
// 程序啟動入口
// 啟動嵌入式的 Tomcat 并初始化 Spring 環(huán)境及其各 Spring 組件
ConfigurableApplicationContext run = SpringApplication.run(ClientApplication.class, args);
CityDubboConsumerService cityService = run.getBean(CityDubboConsumerService.class);
cityService.printCity();
}
}
更多建議: