Dubbo框架原理见之前的博文:http://www.cnblogs.com/umgsai/p/5836925.html

首先启动zookeeper

Server端

Pom配置如下

<?xml version="1.0"?>
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.umgsai</groupId>
<artifactId>springboot-demo</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>springboot-demo Maven Webapp</name>
<url>http://maven.apache.org</url>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.5.RELEASE</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.8</version>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.3</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.5.3</version>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<finalName>springboot-demo</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<fork>true</fork>
<mainClass>${start-class}</mainClass>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2-beta-5</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.springboot.server.demo.SampleController</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>assemble-all</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

发布服务配置

<?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="demo-provider" /> <!-- 使用zookeeper注册中心暴露服务地址 -->
<dubbo:registry protocol="zookeeper" address="localhost:2181" /> <!-- 用dubbo协议在20880端口暴露服务 -->
<dubbo:protocol name="dubbo" port="20880" /> <!-- 用户服务接口 -->
<dubbo:service interface="com.springboot.demo.UserService" ref="userService" /> <bean id="userService" class="com.springboot.demo.UserServiceImpl"/> </beans>

测试接口

public interface UserService {
public String getUserName();
}

接口实现

public class UserServiceImpl implements UserService {
public String getUserName() {
System.out.println("Being invoked");
return "test user";
}
}

Spring Boot启动类

@ImportResource("classpath:config/appcontext-*.xml")
@Controller
//@EnableAutoConfiguration
@SpringBootApplication
public class SampleController { @RequestMapping("/home")
@ResponseBody
String home() {
return "Hello world";
} public static void main(String[] args) throws Exception {
SpringApplication.run(SampleController.class, args);
}
}

启动Spring Boot即可在zookeeper上注册服务端


Client端

Pom配置如下

<?xml version="1.0"?>
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.umgsai</groupId>
<artifactId>springboot-dubbo-client</artifactId>
<packaging>jar</packaging>
<name>springboot-demo Maven Webapp</name>
<url>http://maven.apache.org</url>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.5.RELEASE</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.8</version>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.3</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.5.3</version>
<exclusions>
<exclusion>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<finalName>springboot-demo</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<fork>true</fork>
<mainClass>${start-class}</mainClass>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2-beta-5</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.springboot.client.demo.mainController</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>assemble-all</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

服务配置

<?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"> <!--消费方应用名,用于计算依赖关系,不是匹配条件,不要与提供方一样 -->
<dubbo:application name="demo-consumer"/>
<!--zookeeper注册中心 -->
<dubbo:registry protocol="zookeeper" address="localhost:2181" />
<!--使用multicast广播注册中心暴露的服务地址 -->
<!--<dubbo:registryaddress="multicast://10.57.41.19:1234" /> -->
<!-- 生成远程服务代理,可以和本地bean一样使用demoService-->
<dubbo:reference id="userService" interface="com.springboot.demo.UserService" /> </beans>

接口从API包中引入,通过以上配置,Dubbo即可实例化配置的接口

调用端代码如下

@ImportResource("classpath:appcontext-*.xml")
@Controller
//@EnableAutoConfiguration
@SpringBootApplication
public class MainController extends SpringBootServletInitializer implements EmbeddedServletContainerCustomizer { @Autowired
private UserService userService; @RequestMapping("/home")
@ResponseBody
public String home() {
return userService.getUserName();
} public static void main(String[] args) throws Exception {
SpringApplication.run(MainController.class, args);
} @Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(MainController.class);
} //修改启动端口
@Override
public void customize(ConfigurableEmbeddedServletContainer container) {
container.setPort(8081);
}
}

通过访问http://localhost:8081/home即可调用服务端的方法。

本文永久链接 http://www.cnblogs.com/umgsai/p/6246041.html 转载请注明出处

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