zookeeper+dubbo简单使用

首先下载zookeeper，直接百度官网下载即可！

下载完之后，把cfg配置文件改名为zoo.cfg，如下：

在bin目录下启动zkServer即可！

项目结构：

简单讲解：首先dubbo是一个maven父工程，里面的api,server,web是这个父工程的三个module。api主要是定义了接口，和实体类（一个公用的东西）！server是接口的实现（Service的东西）！web是controller！

api下有两个东西：

server下只有一个实现类：

web下只有一个controller：

当然，server和web下都有applicationContext的配置文件，web还有一个springmvc的配置文件，这个待会讲！

先贴代码吧：

api的东西：

　　User.java

package com.loger.entity.pojo;

import java.io.Serializable;

/**
 * Created by Loger
 * Date: 2017-07-30
 * TIme: 17:38
 * Description :
 */
public class User implements Serializable {
    private Integer id;
    private String name;

    public User() {
    }

    public User(Integer id, String name) {

        this.id = id;
        this.name = name;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}

UserService.java

package com.loger.service;

import com.loger.entity.pojo.User;

/**
 * Created by Loger
 * Date: 2017-07-30
 * TIme: 17:52
 * Description :
 */
public interface UserService {

    User getUser();

}

依赖：

 <!-- 添加Servlet支持 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>javax.servlet.jsp-api</artifactId>
            <version>2.3.1</version>
        </dependency>

        <!-- 添加jstl支持 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- 添加Spring支持 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.3.0</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.36</version>
        </dependency>

        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.1.7.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.3</version>
        </dependency>

        <!-- 添加jtl支持 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-dbcp2</artifactId>
            <version>2.1.1</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.31</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.29</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>2.4.10</version>
            <exclusions>
                <exclusion>
                    <artifactId>spring</artifactId>
                    <groupId>org.springframework</groupId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>com.101tec</groupId>
            <artifactId>zkclient</artifactId>
            <version>0.3</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.9</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.8.9</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.8.9</version>
        </dependency>

server的东西：

UserServiceImpl.java

package com.loger.service.impl;

import com.loger.entity.pojo.User;
import com.loger.service.UserService;
import org.springframework.stereotype.Service;

/**
 * Created by Loger
 * Date: 2017-07-30
 * TIme: 17:52
 * Description :
 */
@Service("userService")
public class UserServiceImpl implements UserService {
    @Override
    public User getUser() {
        return new User(1,"陈乐");
    }
}

applicationContext.xml

<?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"
       xmlns:context="http://www.springframework.org/schema/context"
       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 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <context:component-scan base-package="com.loger.service"/>

    <dubbo:application name="server"/>

    <dubbo:registry protocol="zookeeper" address="localhost:2181" />

    <dubbo:protocol accesslog="true" name="dubbo" port="20880" />

    <dubbo:service interface="com.loger.service.UserService" ref="userService"/>

</beans>

简单说明：指定zookeeper的地址和发布一个UserService服务！

web.xml（编码过滤是多余的，留着也无所谓）

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>server</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>

  <!-- Spring配置文件 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>

  <!-- Spring监听器 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <!-- 编码过滤器 -->
  <filter>
    <filter-name>encodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <async-supported>true</async-supported>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>encodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

</web-app>

web的东西：

UserController.java

package com.loger.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.loger.entity.pojo.User;
import com.loger.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * Created by Loger
 * Date: 2017-07-30
 * TIme: 17:54
 * Description :
 */
@Controller
public class UserController {

    @Autowired
    UserService userService;

    @ResponseBody
    @RequestMapping(value = "/user/getUser",produces = "application/json;charset=utf-8")
    public Object getUser(){
        User user = userService.getUser();
        return user;
    }

}

applicationContext.xml

<?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="web"  />
    <dubbo:registry protocol="zookeeper" address="localhost:2181"/>

    <dubbo:reference interface="com.loger.service.UserService" id="userService"/>

</beans>

简单说明：使用服务

spring-mvc.xml

<?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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <mvc:annotation-driven />

    <context:component-scan base-package="com.loger.controller"></context:component-scan>

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>

</beans>

这个真的没什么好讲的！

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>test</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>

  <!-- Spring配置文件 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <!-- 编码过滤器 -->
  <filter>
    <filter-name>encodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <async-supported>true</async-supported>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>encodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  <!-- Spring监听器 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <!-- 添加对springmvc的支持 -->
  <servlet>
    <servlet-name>springMVC</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring-mvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
    <async-supported>true</async-supported>
  </servlet>
  <servlet-mapping>
    <servlet-name>springMVC</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>

</web-app>

这个也没什么好讲的！

接下来看看结果吧：

说明成功了！

关于maven怎么建父工程，这个自行百度就可以解决了，eclipse和IDEA各不相同，就不多讲了！另外要说一下，server和web都要添加api依赖！

zookeeper+dubbo简单使用的更多相关文章

zookeeper+dubbo简单部署方案
1.zookeeper服务首先,我们需要下载:zookeeper-3.4.9 解压后,在conf文件夹中添加一个配置文件zoo.cfg,内容如下: tickTime=2000 dataDir=/Us ...
Dubbo+Zookeeper的简单入门案例
1.1 Dubbo简介 Apache Dubbo是一款高性能的Java RPC框架.其前身是阿里巴巴公司开源的一个高性能.轻量级的开源Java RPC框架,可以和Spring框架无缝集成. 什么是R ...
dubbo+zookeeper+springboot简单示例
目录 dubbo+zookeeper+springboot简单示例 zookeeper安装使用 api子模块生产者producer 消费者consumer @(目录) dubbo+zookeeper ...
SpringBoot + Dubbo + zookeeper 搭建简单分布式服务
SpringBoot + Dubbo + zookeeper 搭建简单分布式服务详细操作及源码见: https://github.com/BillyYangOne/dubbo-springboot
Zookeeper + Dubbo + SpringMVC + dubbo-admin
第一步:在CentOS/Windows上安装Zookeeper[前提] A:CentOS Zookeeper作为Dubbo服务的注册中心,Dubbo原先基于数据库的注册中心,没采用Zookee ...
windows下 zookeeper dubbo 安装+配置+demo 详细图文教程
Java集群优化——dubbo+zookeeper构建互联网的发展,网站应用的规模不断扩大,常规的垂直应用架构已无法应对,分布式服务架构以及流动计算架构势在必行,Dubbo是一个分布式服务框架,在这 ...
dubbo简单示例
dubbo简单示例 2019-09-06 1 Zookeeper注册中心的搭建(windows单机) 下载zookeeper压缩包并解压到 D:\zookeeper\apache-zookeeper- ...
Maven+SpringMVC+Dubbo 简单的入门demo配置
转载自:https://cloud.tencent.com/developer/article/1010636 之前一直听说dubbo,是一个很厉害的分布式服务框架,而且巴巴将其开源,这对于咱们广大程 ...
Python 基于Python及zookeeper实现简单分布式任务调度系统设计思路及核心代码实现
基于Python及zookeeper实现简单分布式任务调度系统设计思路及核心代码实现 by:授客 QQ:1033553122 测试环境功能需求实现思路代码实践(关键技术点实现) 代码模块组织 ...

随机推荐

rabbitmq 死信邮箱配置（dead-letter）
DLX,Dead-Letter-Exchange(死信邮箱)利用DLX,当消息在一个队列中变成死信后,它能被重新publish到另一个Exchange,这个Exchange就是DLX.消息变成死信一向 ...
cadence pcb 设计学习记录提纲
Cadence软件是一款"一站式"的电气EDA软件系统.因能力所限,此处仅涉及使用cadence软件绘制PCB.日后随着对软件使用程度的加深,自己打算学习使用cadence软件的原 ...
js数组及数组应用（冒泡和二分，遍历输出）
一.定义:1)var arr=new Array(); 加数据:arr[0]=1; 2)定义同时赋值:var arr=new Array(1,2,3,4,5); 3)调用:var arr=new Ar ...
AutoMapper5.0创建对象方法更新
/// <summary> /// 单个对象映射 /// </summary> public static TDestination MapTo<TSource, TDe ...
angularJS插入html及更换iframe的src
html: ng-bind-html <div class="tabs_content" ng-bind-html="specialHtml">&l ...
linux下如何解压和压缩文件
1.*.tar 用 tar –xvf 解压 2.*.gz 用 gzip -d或者gunzip 解压 3.*.tar.gz和*.tgz 用 tar –xzf 解压 4.*.bz2 用 bzip2 -d或 ...
zend studio修改字体
zend studio修改字体没想到zend studio 9中对中文显示不太好看,似乎有点小了.修改如下:打开Window->Preferences->General->Appe ...
RabbitMQ系列教程之四：路由（Routing）
(使用Net客户端)在上一个教程中,我们构建了一个简单的日志系统,我们能够向许多消息接受者广播发送日志消息.在本教程中,我们将为其添加一项功能 ,这个功能是我们将只订阅消息的一个子集成为可能. 例如, ...
【LeetCode】168. Excel Sheet Column Title
题目: Given a positive integer, return its corresponding column title as appear in an Excel sheet. For ...
I/O多路复用之epoll实战
概念 IO多路复用是指内核一旦发现进程指定的一个或者多个IO条件准备读取,它就通知该进程通俗理解(摘自网上一大神) 这些名词比较绕口,理解涵义就好.一个epoll场景:一个酒吧服务员(一个线程),前 ...

zookeeper+dubbo简单使用

zookeeper+dubbo简单使用的更多相关文章

随机推荐

热门专题