dubbo是一个分布式服务框架,致力于提供高性能和透明化的RPC远程服务调用方案,以及SOA服务治理方案。
结合本公司的开发也是用的dubbo这款优秀的框架，加上 最近工作重心的。所以对于dubbo的学习已经是迫在眉睫了。
在中秋假期，抽空实战了一把基于spring boot dubbo zookeeper 。其中也遇到了 很多的坑。
在这里记录一下。
我们看下dubbo的官网。http://dubbo.apache.org/en-us/ 。这里不在做赘述。
我们开始上手去实战一个初步的demo。用实战的角度去学习他。
在官网上也给我们了例子。
我们按照官网去实现它
首先 我们去搭建zookeeper。之所以选择zookeeper 我感觉还是资料多吧。
我们去下载zookeeper 然后启动就可以。
我这里用的是服务模式启动的。所以我在项目中用的 是3000的端口
我们去常见一个通用的api
代码语言：javascript复制package com.example.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}配置文件
代码语言：javascript复制spring:
application:
name: interface我们去创建provider
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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.studay.leizi</groupId>
<artifactId>leiziuser-server</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>leiziuser-server</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<!-- Spring Boot dependencies -->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.apache.dubbo</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
</dependency>
<!-- Zookeeper dependencies -->
<dependency>
<groupId>org.apache.dubbo</groupId>
<artifactId>dubbo-dependencies-zookeeper</artifactId>
<version>2.7.3</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.6.4</version>
<scope>compile</scope>
<exclusions>
<exclusion>
<artifactId>spring</artifactId>
<groupId>org.springframework</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.1.0.RELEASE</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
实现方法
代码语言：javascript复制package com.studay.leizi.leiziuserserver.imp;
import com.alibaba.dubbo.config.annotation.Service;
import com.example.demo.service.DemoService;
import org.springframework.beans.factory.annotation.Value;
@Service
public class DefaultDemoService implements DemoService {
@Value("dubbo-auto-configuration-provider-demo")
private String serviceName;
public String sayHello(String name) {
return String.format("Hello, %s", name);
}
}application.yml配置
代码语言：javascript复制spring:
application:
name: dubbo-registry-zookeeper-consumer-sample
dubbo:
registry:
address: zookeeper://127.0.0.1:3000
protocol: zookeeper
id: my-registry
protocol:
name: dubbo
port: 12345
id: dubbo
status: server
application:
id: cusss
name: cusss
scan:
basePackages: com.studay.leizi.leiziuserserver
server:
port: 8081这个时候我们去启动。
启动成功，我们去创建服务消费方
代码语言：javascript复制package com.styday.leiziapi.connec;
import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.dubbo.config.annotation.Service;
import com.example.demo.service.DemoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Service
@Component
public class Demoe implements DemoService {
@Reference
DemoService demoService;
@Override
public String sayHello(String name) {
return demoService.sayHello(name);
}
}为了方便我们查看调用是否成功，我们编写controller
package com.styday.leiziapi.connter;
import com.styday.leiziapi.connec.Demoe;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
@RestController("/home")
public class Consned {
@Autowired
Demoe demoe;
@GetMapping("/getPayInfo")
public String say(@RequestParam("name") String name) {
return demoe.sayHello(name);
}
}application.yml配置<br>spring:
application:
name: consumer
dubbo:
registry:
address: zookeeper://127.0.0.1:3000
protocol:
name: dubbo
port: 2081
id: dubbo
application:
id: cusss
name: cusss
scan:
basePackages: com.styday.leiziapi.connec.Demoe
server:
port: 9999启动完毕后， 启动。
、
我们可以用dubbo管理后台，去看服务的注册。下载地址 https://github.com/apache/dubbo/tree/2.5.x、
mvn clean package -Dmaven.test.skip=true
然后 放在Tomcat启动。
配置下
webappsdubbo-admin-2.6.0WEB-INFdubbo.properties
然后启动后登陆就可以
这样就可以在管理后台查看我们的服务了。
