zookeeper搭建

从http://www.apache.org/dist//zookeeper/stable/zookeeper-3.4.7.tar.gz下载压缩包，解压到自己想要安装的目录即可(不需要安装)。
1. 进入安装目录E:\software\tools\zookeeper-3.4.9\conf,将zoo_sample.cfg文件拷贝一份并命名为zoo.cfg
2. 将zoo.cfg文件内容修改成：(主要改数据和日志的本地存储目录)

# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just
# example sakes.
dataDir=E:\\zookeeper-3.4.7\\data
dataLogDir=E:\\zookeeper-3.4.7\\log
# the port at which the clients will connect
clientPort=2181
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1

运行E:\software\tools\zookeeper-3.4.9\conf\bin目录下的zkServer.cmd文件，显示如下信息则配置成功。

dubbo+springmvc+mybatis

生产者代码配置

服务生产者类UserFacade

package com.lvba.customer.user.facade;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.lvba.customer.user.api.IUserFacade;
import com.lvba.customer.user.dto.UserDTO;
import com.lvba.customer.user.service.inter.IUserService;@Component
public class UserFacade implements IUserFacade{@AutowiredIUserService userService;public UserDTO geUserDTOByKey(Long id) {return userService.getUserDTOByKey(id);}}

用spring配置声明暴露服务

<?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:context="http://www.springframework.org/schema/context"xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns:rabbit="http://www.springframework.org/schema/rabbit"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsdhttp://www.springframework.org/schema/rabbit http://www.springframework.org/schema/rabbit/spring-rabbit-1.4.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"><import resource="classpath:/META-INF/spring/application.xml" /><dubbo:application name="demotest-consumer" owner="programmer" organization="dubbox"/> <!--使用 zookeeper 注册中心暴露服务，注意要先开启 zookeeper--><dubbo:registry address="zookeeper://localhost:2181"/>   <!-- 用dubbo协议在20880端口暴露服务 --><dubbo:protocol name="dubbo" port="20880" /><context:component-scan base-package="com.lvba.customer;"><context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" /></context:component-scan><dubbo:service ref="userFacade" interface="com.lvba.customer.user.api.IUserFacade" version="1.0"  /></beans>

服务启动类LanchProvider

package com.lvba.customer.dubbo.launch;import java.io.IOException;import org.springframework.context.support.ClassPathXmlApplicationContext;public class LanchProvider {public static void main(String[] args) throws IOException {ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("classpath:META-INF/spring/*.xml");context.start();System.out.println("服务已经启动...");System.in.read();}
}

消费者代码配置

服务接口IUserFacade

package com.lvba.customer.user.api;import com.lvba.customer.user.dto.UserDTO;public interface IUserFacade {public UserDTO geUserDTOByKey(Long id);
}

Spring配置引用远程服务

<?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.xsdhttp://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd"><dubbo:application name="demotest-consumer" owner="programmer" organization="dubbox"/> <!--使用 zookeeper 注册中心暴露服务，注意要先开启 zookeeper--><dubbo:registry address="zookeeper://localhost:2181"/>   <dubbo:reference interface="com.lvba.customer.user.api.IUserFacade" version="1.0" id="userFacade" /></beans>

服务调用方UserController

package com.lvba.customer.user.controller;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;import com.lvba.customer.user.api.IUserFacade;
import com.lvba.customer.user.dto.UserDTO;@Controller
@RequestMapping("/user")
public class UserController {@AutowiredIUserFacade userFacade;/*** @return*/@RequestMapping("/getUser")public ModelAndView getUser(){ModelAndView mv = new ModelAndView("user");UserDTO userDTO = userFacade.geUserDTOByKey(1L);mv.addObject("user", userDTO);mv.addObject("cc", "xxxx");return mv;}
}

验证

Java启动LanchProvider类，出现如下提示则表明服务注册成功：

log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironment).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
服务已经启动...

jetty(或tomcat)启动lvba-web工程,在浏览器上访问http://localhost:8091/user/getUser，得到如下界面则表示消费者成功访问服务端。

关于maven引入dubbo时要注意spring版本兼容问题

 <dependency><groupId>com.alibaba</groupId> <artifactId>dubbo</artifactId><version>2.5.3</version><exclusions><exclusion><groupId>org.springframework</groupId><artifactId>spring</artifactId></exclusion></exclusions></dependency>

源码地址：https://github.com/MAXAmbitious/lvba
这个demo是我之前搭建用于一个项目的枪版，有问题欢迎一起探讨！

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windows环境dubbo搭建手册

zookeeper搭建

dubbo+springmvc+mybatis

生产者代码配置

消费者代码配置

验证

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