springboot整合dubbo+zookeeper

springboot整合dubbo+zookeeper

项目结构：

注意：在做此demo之前应该先自行搭建好zookeeper环境

也可以搭建dubbo监控环境

1.随便创建一个项目，之后添加一个maven项目用于存放接口

package com.wzb.service;

/**
 * @author Satsuki
 * @time 2019/8/27 17:51
 * @description:
 * 一些模拟数据库事务的方法
 */
public interface TestService {
    public void ins();
    public void del();
    public void upd();
    public void sel();
}

2.创捷服务提供者（将服务注册到zookeeper）

pom文件：

    4.0.0
    
        org.springframework.boot
        spring-boot-starter-parent
        2.1.7.RELEASE
         
    
    com.wzb
    provider
    0.0.1-SNAPSHOT
    provider
    Demo project for Spring Boot

    
        1.8
    

    
        
            com.wzb
            service
            1.0-SNAPSHOT
        
        
            org.springframework.boot
            spring-boot-starter-web
        

        
            org.springframework.boot
            spring-boot-starter-test
            test
        

        
            org.apache.dubbo
            dubbo-spring-boot-starter
            2.7.3
            
                
                    org.slf4j
                    slf4j-log4j12
                
            
        

        
            org.apache.dubbo
            dubbo
            2.7.3
        

        
            org.apache.curator
            curator-framework
            4.0.1
        

        
            org.apache.curator
            curator-recipes
            2.8.0
        

        
            org.apache.zookeeper
            zookeeper
            3.4.13
            pom
            
                
                    org.slf4j
                    slf4j-log4j12
                
            
        

        
            com.101tec
            zkclient
            0.10
        

    

    
        
            
                org.springframework.boot
                spring-boot-maven-plugin
            
        
    

application.properties:

#spring项目名
spring.application.name=dubbo_auto_configuration_provider_demo
#Dubbo provider configuration
dubbo.application.name=dubbo_provider
dubbo.registry.protocol=zookeeper
dubbo.registry.address=zookeeper://127.0.0.1:2181
dubbo.protocol.name=dubbo
dubbo.protocol.port=20880
#扫描注解包通过该设置将服务注册到zookeeper
dubbo.scan.base-packages=com.wzb.provider.service

具体服务实现：

package com.wzb.provider.service.impl;

import com.wzb.service.TestService;
import org.apache.dubbo.config.annotation.Service;



/**
 * @author Satsuki
 * @time 2019/8/27 15:35
 * @description:
 * 模拟数据库事务实现
 */
@Service(version = "1.0.0",interfaceClass = TestService.class)
//@Service(version = "1.0.0")
public class TestServiceImpl implements TestService {
    @Override
    public void ins() {
        System.out.println("insert");
    }

    @Override
    public void del() {
        System.out.println("delete");
    }

    @Override
    public void upd() {
        System.out.println("update");
    }

    @Override
    public void sel() {
        System.out.println("select");
    }
}

启动类：

package com.wzb.provider;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class ProviderApplication {

    public static void main(String[] args) {
        SpringApplication.run(ProviderApplication.class, args);
    }

}

步骤总结:

1.搭建pom环境

2.写好配置文件（一定要写上dubbo.scan.base-packages该配置会扫描你写的服务并注册到zookeeper）

3.具体服务实现

4.运行springboot启动类即可

3.创建服务消费者（服务使用者：通过远程调用服务使用）

pom文件与provider一致不再列出

application.properties:

#dubbo configuration
dubbo.application.name=dubbo_consumer
dubbo.registry.protocol=zookeeper
dubbo.registry.address=zookeeper://127.0.0.1:2181

#避免端口冲突
server.port=8085

服务调用：

package com.wzb.consumer.controller;


import com.wzb.service.TestService;
import org.apache.dubbo.config.annotation.Reference;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;


import javax.annotation.Resource;


/**
 * @author Satsuki
 * @time 2019/8/27 15:58
 * @description:
 * 调用dubbo
 */
@RestController
public class TestController {

//    @Resource
//    private TestService testServiceImpl;
    @Reference(version = "1.0.0")
    private TestService testServiceImpl;

    @RequestMapping("/ins")
    public String ins(){
        testServiceImpl.ins();
        return "ins";
    }

    @RequestMapping("/del")
    public String del(){
        testServiceImpl.del();
        return "del";
    }

    @RequestMapping("/upd")
    public String upd(){
        testServiceImpl.upd();
        return "upd";
    }

    @RequestMapping("/sel")
    public String sel(){
        testServiceImpl.sel();
        return "sel";
    }
}

之后只要写一个springboot启动类启动服务并且通过url访问即可测试调用服务

结果如下：

完成

demo地址： https://github.com/luoziling/dubbotest1

欢迎star fork

踩坑：

java.lang.NoClassDefFoundError: org/apache/curator/framework/recipes/cache/TreeCacheListener

在pom文件中加入这两个依赖即可

    org.apache.curator
    curator-framework
    4.0.1



    org.apache.curator
    curator-recipes
    2.8.0