spring-boot-2整合dubbo
新框架学习,必须上手干。书读百遍,其义自见。
本文主要介绍spring-boot-2整合dubbo,使用xml配置实现一个provider和consumer。
1.创建Maven项目:
spring-boot-parent:父工程,统一管理jar依赖,版本
spring-boot-service:子工程,dubbo服务提供方
spring-boot-web:子工程,dubbo服务消费方
2.spring-boot-parent: 父工程,统一管理jar依赖,版本
pom文件
<!--集中定义依赖版本号--> <properties> <maven_javadoc_version>3.0.1</maven_javadoc_version> <maven_surefire_version>2.19.1</maven_surefire_version> <spring-boot.version>2.1.2.RELEASE</spring-boot.version> <jedis.version>2.7.2</jedis.version> </properties> <!-- 就是管理版本的标签 其下的dependencies标签只是版本的管理 并不依赖jar--> <dependencyManagement> <dependencies> <dependency> <!-- Import dependency management from Spring Boot --> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-dependencies</artifactId> <version>${spring-boot.version}</version> <type>pom</type> <scope>import</scope> </dependency> <!-- Redis客户端 --> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>${jedis.version}</version> </dependency> </dependencies> </dependencyManagement>
3.spring-boot-service :子工程,dubbo服务提供方
3.1 pom文件
<properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <dubbo-spring-boot>2.0.0</dubbo-spring-boot> </properties> <dependencies> <!-- Spring Boot dependencies --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <!--Spring Boot web --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- Spring Boot Test 依赖 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!-- Dubbo --> <dependency> <groupId>com.alibaba</groupId> <artifactId>dubbo</artifactId> <version>2.6.5</version> <exclusions> <exclusion> <artifactId>spring</artifactId> <groupId>org.springframework</groupId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.curator</groupId> <artifactId>curator-framework</artifactId> <version>4.0.1</version> </dependency> <!-- Spring Context Extras --> <dependency> <groupId>com.alibaba.spring</groupId> <artifactId>spring-context-support</artifactId> <version>1.0.2</version> </dependency> <!--netty--> <dependency> <groupId>io.netty</groupId> <artifactId>netty-all</artifactId> <version>4.1.30.Final</version> </dependency> <!-- Zookeeper --> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> <version>3.4.6</version> <exclusions> <exclusion> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> </exclusion> <exclusion> <groupId>log4j</groupId> <artifactId>log4j</artifactId> </exclusion> </exclusions> </dependency> <!-- zkClient --> <dependency> <groupId>com.github.sgroschupf</groupId> <artifactId>zkclient</artifactId> <version>0.1</version> </dependency> </dependencies> <build> <plugins> <!--编译打包插件--> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build>
3.2 新建HelloWorldService服务(接口和实现类)
public interface HelloWorldService { String getHello(String msg); }
public class HelloWorldServiceImpl implements HelloWorldService { public String getHello(String msg) { return "spring boot dubbo start:" + msg; } }
3.3 配置dubbo-provider.xml
<?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"> <!-- 提供方应用信息,用于计算依赖关系 --> <dubbo:application name="spring-boot-manager-service" /> <!-- 注册中心服务地址 --> <dubbo:registry id="zookeeper" protocol="zookeeper" address="${dubbo.registry.address}" /> <!-- 用dubbo协议在30001 --> <dubbo:protocol name="dubbo" port="28080" /> <!-- 声明需要暴露的服务接口 --> <dubbo:service interface="com.hao.persistence.service.HelloWorldService" ref="helloWorldService" registry="zookeeper"/> <!-- 具体服务接口的实现 --> <bean id="helloWorldService" class="com.hao.persistence.service.impl.HelloWorldServiceImpl" /> </beans>
3.4 配置application.properties
#ZooKeeper地址 dubbo.registry.address={ip}:{port} logging.level.root=INFO
3.5 设置启动类Application
@SpringBootApplication @ImportResource("classpath:dubbo-provider.xml") 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("项目启动!"); } }
运行Application类main方法后,在dubbo控制台查看到我们注册的接口,如下所示,代表服务提供者Provider已经配置完成
4.spring-boot-web:子工程,dubbo服务消费方
4.1 pom文件
<properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <dubbo-spring-boot>2.0.0</dubbo-spring-boot> </properties> <dependencies> <!-- Spring Boot dependencies --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <!--Spring Boot web --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- Spring Boot Test 依赖 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!-- Dubbo --> <dependency> <groupId>com.alibaba</groupId> <artifactId>dubbo</artifactId> <version>2.6.5</version> <exclusions> <exclusion> <artifactId>spring</artifactId> <groupId>org.springframework</groupId> </exclusion> </exclusions> </dependency> <!-- Spring Context Extras --> <dependency> <groupId>com.alibaba.spring</groupId> <artifactId>spring-context-support</artifactId> <version>1.0.2</version> </dependency> <!--netty--> <dependency> <groupId>io.netty</groupId> <artifactId>netty-all</artifactId> <version>4.1.30.Final</version> </dependency> <dependency> <groupId>com.hao.persistence</groupId> <artifactId>spring-boot-manager-service</artifactId> <version>1.0-SNAPSHOT</version> </dependency> <!-- Zookeeper --> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> <version>3.4.6</version> <exclusions> <exclusion> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> </exclusion> <exclusion> <groupId>log4j</groupId> <artifactId>log4j</artifactId> </exclusion> </exclusions> </dependency> <!-- zkClient --> <dependency> <groupId>com.github.sgroschupf</groupId> <artifactId>zkclient</artifactId> <version>0.1</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build>
4.2 新建HelloWorldController
@RestController public class HelloWorldController { @Autowired private HelloWorldService helloWorldService; @RequestMapping("getHello") public String getHello(){ String msg = helloWorldService.getHello("haoprogrammer"); return msg; } }
4.3 dubbo配置文件 dubbo-consumer.xml
<?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"> <!-- 消费方服务名 --> <dubbo:application name="spring-boot-manager-web" /> <!-- 注册中心服务地址 --> <dubbo:registry id="zookeeper" protocol="zookeeper" address="${dubbo.registry.address}" /> <!-- 引用helloWorldService 服务--> <dubbo:reference id="helloWorldService" interface="com.hao.persistence.service.HelloWorldService" check="false" registry="zookeeper" protocol="dubbo" timeout="15000"/> </beans>
4.4 application.properties
这里将web的默认端口改为8081,防止端口冲突
server.port=8081 ## Dubbo 服务消费者配置 #ZooKeeper dubbo.registry.address=10.10.55.69:2181 logging.level.root=INFO
4.5 启动类Application
@SpringBootApplication @ImportResource("classpath:dubbo-consumer.xml") public class Application { public static void main(String[] args) { SpringApplication.run(Application.class,args); } }
点击运行web项目的main方法,运行成功后如下所示,访问页面url,http://localhost:8081/getHello
到此,简单的spring-boot-2整合dubbo服务完成。
附上 github项目地址:https://github.com/haoprogrammer/spring-boot-parent
感谢各位老铁关注!
关于最新的 dubbo-spring-boot-stater 的jar包,整合spring-boot自动装配(不用再写xml),健康检查特性,会在后续研究。
dubbo-spring-boot-stater:https://github.com/apache/incubator-dubbo-spring-boot-project
<dependency> <groupId>com.alibaba.boot</groupId> <artifactId>dubbo-spring-boot-starter</artifactId> <version>0.2.1-SNAPSHOT</version> </dependency>
来源:https://www.cnblogs.com/haoprogrammer/p/10295840.html