java：dubbo

demo_dubbo_consumer Maven Webapp:

　　

　　DubboController.java:

package com.dubbo.controller;

import java.util.List;

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;

import com.dubbo.model.User;
import com.dubbo.service.IUserService;

@Controller
public class DubboController {
    
    @Autowired
    private IUserService userService;
    
    @RequestMapping("/")
    @ResponseBody
    public List<User> findAllUsers() {
        return userService.findAllUsers();
    }

}

　　User.java:

package com.dubbo.model;

import java.io.Serializable;

public class User implements Serializable {

    private static final long serialVersionUID = -4971294264848511301L;
    
    private Long id;
    private String username;
    private String password;
    private Integer age;

    public Long getId() {
        return id;
    }

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

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

}

　　IUserService.java:

package com.dubbo.service;

import java.util.List;

import org.springframework.stereotype.Service;

import com.dubbo.model.User;

@Service
public interface IUserService {
    
    List<User> findAllUsers();

}

　　applicationContext-consumer.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns:context="http://www.springframework.org/schema/context"
    xmlns="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd
       http://code.alibabatech.com/schema/dubbo
       http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!-- 给consumer项目起一个别名，让起标识为消费者的配置信息，为了让dubbo知道 -->
    <dubbo:application name="dubbo-a-consumer" />
    <!-- 需要依赖于zookeeper check="false":不需要去检查zookeeper的存活状态，连接不上直接报错
        如果设置为true，就算zookeeper全部宕机，消费者项目也会一直做重新连接不会报错
     -->
    <dubbo:registry address="zookeeper://172.16.49.165:2181"
        check="false" />
    <!-- reference:引入 id:必须要provider的配置文件中id=userService
        interface:引入的是消费者自己的service接口信息，目的是为了id="userService"的实现类(生产者项目中)注入进来
     -->
    <dubbo:reference id="userService" interface="com.dubbo.service.IUserService"
        check="false" />


</beans>

　　applicationContext-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" xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans.xsd
      http://www.springframework.org/schema/mvc
      http://www.springframework.org/schema/mvc/spring-mvc.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">

    <!-- 自动扫描且只扫描@Controller -->
    <context:component-scan base-package="com.dubbo.controller" />

    <!-- 当在web.xml 中 DispatcherServlet使用 <url-pattern>/</url-pattern> 映射时，能映射静态资源 -->
    <mvc:default-servlet-handler />

    <!-- 可用在springmvc.xml配置文件中使用<mvc:annotation-driven>替代注解处理器和适配器的配置。 -->
    <mvc:annotation-driven>
        <mvc:message-converters>
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                <constructor-arg index="0" value="UTF-8" />
            </bean>
            <bean
                class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
                <property name="prettyPrint" value="true" />
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>
    
</beans>

　　applicationContext.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context" xmlns="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd">
       
       <!-- 扫描service -->
       <context:component-scan base-package="com.dubbo.service" />
       
       <import resource="spring/applicationContext-consumer.xml"/>
       

</beans>

　　log4j.properties:

log4j.rootLogger=DEBUG, Console
#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%-5p - %m%n

log4j.logger.org.springframework=ERROR
log4j.logger.org.mybatis.spring=ERROR
log4j.logger.org.apache.ibatis.logging.LogFactory=ERROR
log4j.logger.com.alibaba.druid.pool.DruidDataSource=ERROR

　　web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
         http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    version="3.0">


    <!--Spring入口文件的配置 -->
    <!-- 确定配置文件位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!-- 配置spring 监听器，加载xml配置文件 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- 解决POST请求的中文乱码 -->
    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>


    <!-- DispatcherServlet：前端控制器 配置前端控制器servlet -->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--加载前端控制器配置文件 上下文配置位置 -->
        <init-param>
            <!--contextConfigLocation：指定springmvc配置的加载位置， 如果不指定则默认加 载WEB-INF/[DispatcherServlet的Servlet名字]-servlet.xml(例如springmvc-servlet.xml)。 -->
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc/applicationContext-mvc.xml</param-value>
        </init-param>
        <!-- 表示随WEB服务器启动 -->
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

　　pom.xml:

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.dubbo</groupId>
    <artifactId>demo_dubbo_consumer</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>demo_dubbo_consumer Maven Webapp</name>
    <url>http://maven.apache.org</url>

    <properties>
        <!-- junit jar -->
        <junit.version>4.12</junit.version>
        <!-- spring and springmvc jar -->
        <spring.version>4.3.4.RELEASE</spring.version>
        <!-- json jar -->
        <jackson.version>2.8.1</jackson.version>
        <fastjson.version>1.2.17</fastjson.version>
        <!-- servlet, jsp and jstl jar -->
        <servlet-api.version>3.0.1</servlet-api.version>
        <jsp-api.version>2.0</jsp-api.version>
        <jstl.version>1.2</jstl.version>

        <!-- slf4j jar(log4j的jar包) -->
        <slf4j.version>1.7.7</slf4j.version>

        <!-- dubbo jar -->
        <dubbo.version>2.5.6</dubbo.version>

        <!-- zookeeper jar -->
        <zookeeper.version>3.4.6</zookeeper.version>

        <!-- zookeeper's client, so we need zkclient jar -->
        <zkclient.version>0.1</zkclient.version>

        <!-- netty jar -->
        <netty.version>3.2.6.Final</netty.version>
    </properties>

    <dependencies>

        <!-- netty start -->
        <dependency>
            <groupId>org.jboss.netty</groupId>
            <artifactId>netty</artifactId>
            <version>${netty.version}</version>
        </dependency>
        <!-- netty end -->

        <!-- junit start -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>
        <!-- junit end -->

        <!--spring start -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!--spring end -->

        <!--json start -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>${jackson.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>${jackson.version}</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>${fastjson.version}</version>
        </dependency>
        <!--json end -->

        <!-- servlet -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>${servlet-api.version}</version>
            <scope>provided</scope>
        </dependency>

        <!-- jsp -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jsp-api</artifactId>
            <version>${jsp-api.version}</version>
            <scope>provided</scope>
        </dependency>

        <!-- jstl -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>${jstl.version}</version>
            <scope>runtime</scope>
        </dependency>

        <!-- slf4j begin -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!-- slf4j end -->

        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>${zookeeper.version}</version>
        </dependency>

        <dependency>
            <groupId>com.github.sgroschupf</groupId>
            <artifactId>zkclient</artifactId>
            <version>${zkclient.version}</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>${dubbo.version}</version>
            <exclusions>
                <exclusion>
                    <!-- 排除传递spring依赖 -->
                    <artifactId>spring</artifactId>
                    <groupId>org.springframework</groupId>
                </exclusion>
            </exclusions>
        </dependency>

    </dependencies>


    <build>
        <finalName>demo_dubbo_consumer</finalName>
    </build>
</project>

demo_dubbo_provider Maven Webapp:

　　

　　User.java:

package com.dubbo.model;

import java.io.Serializable;

public class User implements Serializable {

    private static final long serialVersionUID = -4971294264848511301L;
    
    private Long id;
    private String username;
    private String password;
    private Integer age;

    public Long getId() {
        return id;
    }

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

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

}

　　UserServiceImpl.java:

package com.dubbo.service.impl;

import java.util.ArrayList;
import java.util.List;

import com.dubbo.model.User;
import com.dubbo.service.IUserService;

public class UserServiceImpl implements IUserService {

    @Override
    public List<User> findAllUsers() {
        List<User> userList = new ArrayList<User>();
        for(int i = 0; i < 10; i++) {
            User user = new User();
            user.setId(i+1L);
            user.setUsername("zhangsan"+i+1);
            user.setPassword("123456"+i+1);
            user.setAge(21+i);
            userList.add(user);
        }
        return userList;
    }

}

　　IUserService.java:

package com.dubbo.service;

import java.util.List;

import com.dubbo.model.User;

public interface IUserService {
    
    List<User> findAllUsers();

}

　　applicationContext-provider.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns:context="http://www.springframework.org/schema/context"
    xmlns="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd
       http://code.alibabatech.com/schema/dubbo
       http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!-- 生产者配置文件begin -->
    <!-- 给生产者项目起别名，使其标识为生产者的配置信息 -->
    <dubbo:application name="dubbo-b-server" />
    <!-- 因为dubbo需要依赖于zookepper，所以该生产者项目需要配置zookeeper的地址信息 -->
    <dubbo:registry address="zookeeper://172.16.49.165:2181" />
    <!-- 因为dubbo默认的端口号为20880，如果不修改就直接使用默认(记得关闭防火墙，如果不关闭防火墙，需要开发20880端口号) -->
    <dubbo:protocol name="dubbo" port="20880" />
    <!-- 因为dubbo-provider是需要给其他项目提供数据支持，所以必须要把service接口暴露出去，供其他需要的项目调用 -->
    <dubbo:service interface="com.dubbo.service.IUserService"
        ref="userService" />
    <bean id="userService" class="com.dubbo.service.impl.UserServiceImpl" />


</beans>

　　applicationContext.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context" xmlns="http://www.springframework.org/schema/beans"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 扫描service -->
    <context:component-scan base-package="com.dubbo.service" />

    <import resource="spring/applicationContext-provider.xml" />


</beans>

　　log4j.properties:

log4j.rootLogger=DEBUG, Console
#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%-5p - %m%n

log4j.logger.org.springframework=ERROR
log4j.logger.org.mybatis.spring=ERROR
log4j.logger.org.apache.ibatis.logging.LogFactory=ERROR
log4j.logger.com.alibaba.druid.pool.DruidDataSource=ERROR

　　web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
         http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    version="3.0">


    <!--Spring入口文件的配置 -->
    <!-- 确定配置文件位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!-- 配置spring 监听器，加载xml配置文件 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- 解决POST请求的中文乱码 -->
    <filter>
        <filter-name>CharacterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

</web-app>

　　pom.xml:

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.dubbo</groupId>
    <artifactId>demo_dubbo_provider</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>demo_dubbo_provider Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <properties>
        <!-- junit jar -->
        <junit.version>4.12</junit.version>
        <!-- spring and springmvc jar -->
        <spring.version>4.3.4.RELEASE</spring.version>
        <!-- json jar -->
        <jackson.version>2.8.1</jackson.version>
        <fastjson.version>1.2.17</fastjson.version>
        <!-- servlet, jsp and jstl jar -->
        <servlet-api.version>3.0.1</servlet-api.version>
        <jsp-api.version>2.0</jsp-api.version>
        <jstl.version>1.2</jstl.version>

        <!-- slf4j jar(log4j的jar包) -->
        <slf4j.version>1.7.7</slf4j.version>

        <!-- dubbo jar -->
        <dubbo.version>2.5.6</dubbo.version>

        <!-- zookeeper jar -->
        <zookeeper.version>3.4.6</zookeeper.version>

        <!-- zookeeper's client, so we need zkclient jar -->
        <zkclient.version>0.1</zkclient.version>

        <!-- netty jar -->
        <netty.version>3.2.6.Final</netty.version>
    </properties>

    <dependencies>

        <!-- netty start -->
        <dependency>
            <groupId>org.jboss.netty</groupId>
            <artifactId>netty</artifactId>
            <version>${netty.version}</version>
        </dependency>
        <!-- netty end -->

        <!-- junit start -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>
        <!-- junit end -->

        <!--spring start -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!--spring end -->

        <!--json start -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>${jackson.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>${jackson.version}</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>${fastjson.version}</version>
        </dependency>
        <!--json end -->

        <!-- servlet -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>${servlet-api.version}</version>
            <scope>provided</scope>
        </dependency>

        <!-- jsp -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jsp-api</artifactId>
            <version>${jsp-api.version}</version>
            <scope>provided</scope>
        </dependency>

        <!-- jstl -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>${jstl.version}</version>
            <scope>runtime</scope>
        </dependency>

        <!-- slf4j begin -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!-- slf4j end -->

        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
            <version>${zookeeper.version}</version>
        </dependency>

        <dependency>
            <groupId>com.github.sgroschupf</groupId>
            <artifactId>zkclient</artifactId>
            <version>${zkclient.version}</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>${dubbo.version}</version>
            <exclusions>
                <exclusion>
                    <!-- 排除传递spring依赖 -->
                    <artifactId>spring</artifactId>
                    <groupId>org.springframework</groupId>
                </exclusion>
            </exclusions>
        </dependency>

    </dependencies>

    <build>
        <finalName>demo_dubbo_provider</finalName>
    </build>
</project>