一、dubbo admin
下载dubbbo admin,下载地址百度云地址链接:https://pan.baidu.com/s/1Fhwy7-lCrxHWGNxVeOKrBw
提取码:29e6,直接放在tomcat运行(要先运行zookeeper),zookeeper,下载地址直接去官网下载,然后直接启动就可以了。
表示运行登录成功
二、搭建多功能模块项目
不会搭建自行百度,方法很多,dubbo分布式微服务,创建三个项目,api,provider,consumer。
这是dubbo目录结构
api项目提供接口服务
provider项目提供服务
consumer项目订阅服务
例如
父类pom.xml详细配置
<?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.yxh.dubbo</groupId>
<artifactId>dubbo-demo</artifactId>
<version>1.0-SNAPSHOT</version>
<modules>
<module>dubbo-api</module>
<module>dubbo-consumer</module>
<module>dubbo-provider</module>
</modules>
<packaging>pom</packaging>
</project>
注意点 pom一定要是pom.
API项目写一个接口
PROVIDER提供服务项目
提供服务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>
<parent>
<groupId>com.yxh.dubbo</groupId>
<artifactId>dubbo-demo</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<groupId>com.yxh.dubbo</groupId>
<artifactId>dubbo-provider</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>dubbo-provider</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>com.yxh.dubbo</groupId>
<artifactId>dubbo-api</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>1.5.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>1.5.9.RELEASE</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.5.8</version>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.9</version>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.10</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<version>1.5.9.RELEASE</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
注意点一定要继承父类项目,然后导入必要jar包跟插件
提供服务provider.xml配置文件
<?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="dubbo_demo_provider"/>
<!-- 连接到哪个本地注册中心 -->
//zookeeper集群
<!--<dubbo:registry address="zookeeper://10.20.153.10:2181?backup=10.20.153.11:2181,10.20.153.12:2181"/>-->
//zookeeper单机
<dubbo:registry id="dubbodemo" address="zookeeper://localhost:2181"/>
<!-- 用dubbo协议在20880端口暴露服务 -->
<dubbo:protocol name="dubbo" port="28080"/>
<!-- 声明需要暴露的服务接口 -->
<dubbo:service interface="com.yxh.dubbo.api.HelloService" retries="0" ref="helloServiceImpl"/>
</beans>
启动类配置
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ImportResource;
@SpringBootApplication
@ComponentScan(basePackages = {"com.yxh.dubbo.provider"})//扫描服务包
@ImportResource("classpath:application-dubbo-provider.xml")//引入配置文件
public class DubboProviderApplication {
public static void main(String[] args) {
SpringApplication.run(DubboProviderApplication.class, args);
}
}
CONSUMER订阅服务项目
订阅服务pom.xml详情
<?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>
<parent>
<groupId>com.yxh.dubbo</groupId>
<artifactId>dubbo-demo</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<groupId>com.yxh.dubbo</groupId>
<artifactId>dubbo-consumer</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>dubbo-consumer</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>1.5.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>1.5.9.RELEASE</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.yxh.dubbo</groupId>
<artifactId>dubbo-api</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.5.8</version>
</dependency>
<dependency>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
<version>3.4.9</version>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>0.10</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<version>1.5.9.RELEASE</version>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
consumer配置文件
<?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="dubbo_demo_consumer" />
<!-- 使用zookeeper注册中心暴露服务地址:开发环境地址 -->
<dubbo:registry id="baseDubboAddr" protocol="zookeeper" address="127.0.0.1:2181" default="false"/>
<!-- 生成远程服务代理,可以像使用本地bean一样使用 -->
<dubbo:reference id="helloService" interface="com.yxh.dubbo.api.HelloService" registry="baseDubboAddr" timeout="60000" retries="0"></dubbo:reference>
</beans>
提供服务,跟订阅服务注入zookeeper成功在dubbo admin上面可以看到
有没有注入成功跟订阅成功,都可以看到,还可以设置权重,这些感兴趣的可以自己去研究
最后通过nginx请求转发,实现集群分布式,nginx主要用来负载均衡跟反向代理
nginx配置教程:nginx教程