springboot dubbo zookeeper集群分布式

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。在这里插入图片描述
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。
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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
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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
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PROVIDER提供服务项目
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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
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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>

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提供服务,跟订阅服务注入zookeeper成功在dubbo admin上面可以看到
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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

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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

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转载自blog.csdn.net/qq_35939864/article/details/85625905