1 入门案例
父工程的xml文件
<?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>com.czxy</groupId>
<artifactId>dubbodemo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<modules>
<module>dubboapi</module>
<module>dubbocustomer</module>
<module>dubboprivide</module>
</modules>
<packaging>pom</packaging>
<name>dubbodemo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.0.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/com.alibaba.boot/dubbo-spring-boot-starter -->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.zookeeper/zookeeper -->
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.13</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
2 privider xml
<?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>com.czxy</groupId>
<artifactId>dubboprivide</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>dubboprivide</name>
<description>Demo project for Spring Boot</description>
<parent>
<artifactId>dubbodemo</artifactId>
<groupId>com.czxy</groupId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>com.czxy</groupId>
<artifactId>dubboapi</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
2.1 properties配置文件的编写
server.port = 9090
spring.application.name = dubbo-provider
#指定当前服务/应用的名字(同样的服务名字相同,不要和别的服务同名)
dubbo.application.name = dubbo-provider
#用dubbo协议在20880端口暴露服务
dubbo.protocol.name = dubbo
dubbo.protocol.port = 20880
#指定注册中心的位置
dubbo.registry.address = zookeeper://localhost:2181
#统一设置服务提供方的规则
dubbo.provider.timeout = 1000
2.2 实现接口的类
package com.czxy.service.impl;
import com.alibaba.dubbo.config.annotation.Service;
import com.czxy.api.DemoService;
/**
* @author zhenglong
* @Description: DemoService的实现类
* @Date 2018/11/20 21:22
* com.alibaba.dubbo.config.annotation.Service 不是spring的service
*/
@Service
public class DemoServiceImpl implements DemoService {
@Override
public String helloWorld(String name) {
return null;
}
}
2.3 privider启动器
package com.czxy;
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* @author zhenglong
* @Date 2018/11/20 21:22
* 开启dubbo 相当于@DubboComponentScan与@EnableDubboConfig结合
*/
@EnableDubbo
@SpringBootApplication
public class DubboprivideApplication {
public static void main(String[] args) {
SpringApplication.run(DubboprivideApplication.class, args);
}
}
3 公共的接口类
package com.czxy.api;
/**
* @author zhenglong
* @Description: 服务demo接口类
* @Date 2018/11/27 21:22
*/
public interface DemoService {
/**
* @param name
* @return
*/
String helloWorld(String name);
}
3 customer 消费端的pom.xml
<?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>com.czxy</groupId>
<artifactId>dubbocustomer</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>dubbocustomer</name>
<description>Demo project for Spring Boot</description>
<parent>
<artifactId>dubbodemo</artifactId>
<groupId>com.czxy</groupId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>com.czxy</groupId>
<artifactId>dubboapi</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
3.1 customer 消费端的controller
package com.czxy.conroller;
import com.alibaba.dubbo.config.annotation.Reference;
import com.czxy.api.DemoService;
import com.czxy.api.UserService;
import com.czxy.api.domain.User;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* @author zhenglong
* @Description: 消费端controller
* @Date 2018/11/20 21:22
*/
@RestController
public class DemoConsumerController {
/**
* @Reference来注入服务端爆露的接口
*/
@Reference
private DemoService demoService;
/**
* @Description:demoService 接口调用的方法
*/
@RequestMapping("/HelloWorld")
public String sayHello( String name) {
return demoService.helloWorld(name);
}
}
3.2 customer消费端的启动器
package com.czxy;
import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* @author zhenglong
* @Date 2018/11/20 21:22
* 开启dubbo 相当于@DubboComponentScan与@EnableDubboConfig结合
*/
@SpringBootApplication
@EnableDubbo
public class DubbocustomerApplication {
public static void main(String[] args) {
SpringApplication.run(DubbocustomerApplication.class, args);
}
}
4 搭建以后的maven项目截图如下