dubbo是阿里巴巴的框架，主要有4部分组成，1 服务台提供方， 2 服务注册方 3 服务消费分 4 监控部分
1. 注册方一般用zookeeper, 先下载安装，启动zkservece.cmd 会报错，需要修改配置文件 zoo.cfg. 路径中conf/下，，没有自己加一个。
正常启动
2. 编写一个服务器端, 创建maven项目pom.xml文件
<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>DubboService</groupId>
<artifactId>DubboService</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build/>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.5.3</version>
</dependency>
<dependency>
<groupId>org.javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.18.1-GA</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
<exclusions>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
<exclusion>
<artifactId>jms</artifactId>
<groupId>javax.jms</groupId>
</exclusion>
<exclusion>
<artifactId>mail</artifactId>
<groupId>javax.mail</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
<version>2.5.6.SEC03</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.6</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.5</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.4</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>spring-snapshots</id>
<url>http://repo.spring.io/libs-snapshot</url>
</repository>
</repositories>
</project>
config/applicationProvider.xml 配置文件，里面定义了注册的bean, 和zookeeper的地址<?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 ">
<dubbo:application name="hello-world" />
<!-- 注册地址 -->
<dubbo:registry address="zookeeper://localhost:2181" />
<dubbo:protocol name="dubbo" port="20880" />
<!-- Service interface Concurrent Control -->
<dubbo:service interface="cn.zto.service.IProcessData" ref="demoService" executes="10" />
<!-- designate implementation -->
<bean id="demoService" class="cn.zto.service.impl.ProcessDataImpl" />
</beans>
IProcessData定义接口及实现类package cn.zto.service.impl;
import cn.zto.service.IProcessData;
public class ProcessDataImpl implements IProcessData {
public String hello(String name) {
System.out.println(name);
return "hello : " + name;
}}
package cn.zto.service;
public interface IProcessData {
public String hello(String name);
}
启动服务
package cn.zto.app;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Main {
public static void main(String[] args) throws Exception {
ClassPathXmlApplicationContext context=new ClassPathXmlApplicationContext( new String[] {
"config/applicationProvider.xml"
});
context.start();
System.out.println("按任意键退出");
System.in.read();
}}
运行起来。如下log4j:WARN No appenders could be found for logger (org.springframework.context.support.ClassPathXmlApplicationContext).
log4j:WARN Please initialize the log4j system properly.
按任意键退出
下面再建一个client程序pom.xml
<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>DubboClient</groupId>
<artifactId>DubboClient</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build/>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.5.3</version>
</dependency>
<dependency>
<groupId>org.javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.18.1-GA</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
<exclusions>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
<exclusion>
<artifactId>jms</artifactId>
<groupId>javax.jms</groupId>
</exclusion>
<exclusion>
<artifactId>mail</artifactId>
<groupId>javax.mail</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring</artifactId>
<version>2.5.6.SEC03</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.6</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.5</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.4</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>spring-snapshots</id>
<url>http://repo.spring.io/libs-snapshot</url>
</repository>
</repositories>
</project>
注册的接口类，和要服务器端的包路径一致
package cn.zto.service;
public interface IProcessData {
public String hello(String name);
}
客户端的配置文件，接口定义及zookeeper的地址
<?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 ">
<dubbo:application name="consumer-of-helloworld-app" />
<!-- 注册地址 -->
<dubbo:registry address="zookeeper://localhost:2181"/>
<dubbo:consumer timeout="5000" />
<dubbo:reference id="demoService" interface="cn.zto.service.IProcessData"/>
</beans>
客户端启动
package cn.zto.consumer;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import cn.zto.service.IProcessData;
public class ConsumerThd{
public void sayHello(){
ClassPathXmlApplicationContext context=new ClassPathXmlApplicationContext(
new String[] {"config/applicationProvider.xml"});
context.start();
IProcessData demoService=(IProcessData) context.getBean("demoService");
System.out.println(demoService.hello("world"));
}
public static void main(String args[]){
new ConsumerThd().sayHello();
}
}
运行结果如下
log4j:WARN No appenders could be found for logger (org.springframework.context.support.ClassPathXmlApplicationContext).
log4j:WARN Please initialize the log4j system properly.
hello : world
这样就基本实现了dubbo的框架，很简单吧