161130、Dubbo+SpringMVC工程创建详解

Dubbo出现的目的是为了应对现在高并发，高数据量请求的问题。目前的垂直应用架构已经无法满足现在大数据的冲击，SOA就应运而生，而Dubbo在国内使用的还是比较多，稳定性也比较不错。

架构

架构

节点角色说明：

Provider: 暴露服务的服务提供方。
Consumer: 调用远程服务的服务消费方。
Registry: 服务注册与发现的注册中心。
Monitor: 统计服务的调用次调和调用时间的监控中心。
Container: 服务运行容器。

调用关系说明：

服务容器负责启动，加载，运行服务提供者。 服务提供者在启动时，向注册中心注册自己提供的服务。 服务消费者在启动时，向注册中心订阅自己所需的服务。 注册中心返回服务提供者地址列表给消费者，如果有变更，注册中心将基于长连接推送变更数据给消费者。 服务消费者，从提供者地址列表中，基于软负载均衡算法，选一台提供者进行调用，如果调用失败，再选另一台调用。 服务消费者和提供者，在内存中累计调用次数和调用时间，定时每分钟发送一次统计数据到监控中心。

(1) 连通性：

注册中心负责服务地址的注册与查找，相当于目录服务，服务提供者和消费者只在启动时与注册中心交互，注册中心不转发请求，压力较小

监控中心负责统计各服务调用次数，调用时间等，统计先在内存汇总后每分钟一次发送到监控中心服务器，并以报表展示

服务提供者向注册中心注册其提供的服务，并汇报调用时间到监控中心，此时间不包含网络开销

服务消费者向注册中心获取服务提供者地址列表，并根据负载算法直接调用提供者，同时汇报调用时间到监控中心，此时间包含网络开销

注册中心，服务提供者，服务消费者三者之间均为长连接，监控中心除外

注册中心通过长连接感知服务提供者的存在，服务提供者宕机，注册中心将立即推送事件通知消费者

注册中心和监控中心全部宕机，不影响已运行的提供者和消费者，消费者在本地缓存了提供者列表

注册中心和监控中心都是可选的，服务消费者可以直连服务提供者

(2) 健状性：

监控中心宕掉不影响使用，只是丢失部分采样数据

数据库宕掉后，注册中心仍能通过缓存提供服务列表查询，但不能注册新服务

注册中心对等集群，任意一台宕掉后，将自动切换到另一台

注册中心全部宕掉后，服务提供者和服务消费者仍能通过本地缓存通讯

服务提供者无状态，任意一台宕掉后，不影响使用

服务提供者全部宕掉后，服务消费者应用将无法使用，并无限次重连等待服务提供者恢复

(3) 伸缩性：

注册中心为对等集群，可动态增加机器部署实例，所有客户端将自动发现新的注册中心

服务提供者无状态，可动态增加机器部署实例，注册中心将推送新的服务提供者信息给消费者

(4) 升级性：

当服务集群规模进一步扩大，带动IT治理结构进一步升级，需要实现动态部署，进行流动计算，现有分布式服务架构不会带来阻力：

可以得出，注册中心若宕机，只要没有注册新的服务，服务提供者和消费者还是可以根据本地缓存进行沟通。
并且注册中心不是请求转发中心，所以压力是比较小的。

搭建Dubbo工程

1、ZooKeeper的配置安装

2、Dubbo-admin配置安装

3、工程API工程创建

API

工程使用Maven+SpringMVC的方式构建

ITestService.java

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<code class="language-java hljs ">package com.gege.service;
 
public interface ITestService {
    public String getName();
}
</code>

DubboInit.java

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<code class="language-java hljs ">package com.gege.tool;
 
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
 
import org.apache.commons.lang.exception.ExceptionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
 
public class DubboInit extends HttpServlet {
 
    /**
     *
     */
    private static final long serialVersionUID = 8279515033200832L;
    private Logger logger = (Logger) LoggerFactory.getLogger(DubboInit.class);
    /**
     * 启动dubbo容器
     */
    public void init() throws ServletException {
        try {
            startApplicationContext();
        } catch (Exception e) {
            e.printStackTrace();
            logger.error(ExceptionUtils.getFullStackTrace(e));
        }
    }
 
    public static ApplicationContext applicationContext = null;
 
    /**
     * 启动spring容器
     * @return
     */
    public static ApplicationContext startApplicationContext() {
        if (applicationContext == null) {
            applicationContext = new ClassPathXmlApplicationContext("classpath*:applicationContext.xml");
        }
        return applicationContext;
    };
 
}
</code>

pom.xml

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<code class="language-xml hljs "><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/xsd/maven-4.0.0.xsd">
    <modelversion>4.0.0</modelversion>
    <groupid>com.gege</groupid>
    <artifactid>api</artifactid>
    <version>0.0.1-SNAPSHOT</version>
    <properties>
        <project.build.sourceencoding>UTF-8</project.build.sourceencoding>
        <spring.version>3.2.8.RELEASE</spring.version>
    </properties>
 
    <dependencies>
        <dependency>
            <groupid>junit</groupid>
            <artifactid>junit</artifactid>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupid>javax.servlet</groupid>
            <artifactid>servlet-api</artifactid>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <!--{cke_protected}{C}%3C!%2D%2D%20spring%E7%9B%B8%E5%85%B3%20%2D%2D%3E-->
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-core</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-beans</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-context</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-web</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-webmvc</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-aop</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-tx</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-orm</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-context-support</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-test</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-jms</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.slf4j</groupid>
            <artifactid>slf4j-log4j12</artifactid>
            <version>1.7.2</version>
        </dependency>
        <dependency>
            <groupid>commons-lang</groupid>
            <artifactid>commons-lang</artifactid>
            <version>2.5</version>
        </dependency>
    </dependencies>
 
    <build>
        <plugins>
            <plugin>
                <groupid>org.apache.maven.plugins</groupid>
                <artifactid>maven-compiler-plugin</artifactid>
                <configuration>
                    <source>1.7
                    <target>1.7</target>
                    <encoding>utf8</encoding>
                    <filenamemapping>no-version</filenamemapping>
                </configuration><source><source><source>
            </plugin><source><source><source><source><source><source>
        </plugins><source><source><source><source><source><source><source><source><source><source>
    </build><source><source><source><source><source><source><source><source><source><source><source><source><source><source><source>
</project></code>

4、Dubbo服务提供者工程创建与配置

服务提供者工程

工程使用Maven+SpringMVC的方式构建

pom.xml

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<code class="language-xml hljs "><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.gege</groupid>
    <artifactid>provider</artifactid>
    <packaging>jar</packaging>
    <version>0.0.1-SNAPSHOT</version>
 
    <properties>
        <spring.version>3.2.8.RELEASE</spring.version>
        <project.build.sourceencoding>UTF-8</project.build.sourceencoding>
    </properties>
 
    <dependencies>
        <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>
        <!--{cke_protected}{C}%3C!%2D%2D%20%E6%B7%BB%E5%8A%A0zk%E5%AE%A2%E6%88%B7%E7%AB%AF%E4%BE%9D%E8%B5%96%20%2D%2D%3E-->
        <dependency>
            <groupid>com.github.sgroschupf</groupid>
            <artifactid>zkclient</artifactid>
            <version>0.1</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-core</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-beans</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-context</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-web</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-webmvc</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-aop</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-tx</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-orm</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-context-support</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-test</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-jms</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>javax.servlet</groupid>
            <artifactid>jstl</artifactid>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupid>com.gege</groupid>
            <artifactid>api</artifactid>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupid>javax.servlet</groupid>
            <artifactid>servlet-api</artifactid>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupid>log4j</groupid>
            <artifactid>log4j</artifactid>
            <version>1.2.14</version>
        </dependency>
 
        <dependency>
            <groupid>cglib</groupid>
            <artifactid>cglib</artifactid>
            <version>2.2</version>
        </dependency>
        <dependency>
            <groupid>commons-lang</groupid>
            <artifactid>commons-lang</artifactid>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupid>taglibs</groupid>
            <artifactid>standard</artifactid>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupid>org.slf4j</groupid>
            <artifactid>slf4j-log4j12</artifactid>
            <version>1.7.2</version>
        </dependency>
    </dependencies>
    <build>
        <resources>
            <resource>
              //静态资源文件扫描地址
                <directory>${project.basedir}/src/main/resources</directory>
                <includes>
                    <include>*.*</include>
                </includes>
                <filtering>true</filtering>
            </resource>
        </resources>
    </build>
    <profiles>
        <profile>
            <id>local</id>
            <properties>
              //这是zookeeper的地址，要根据实际情况进行配置，默认zookeeper://127.0.0.1:2181
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
              //dubbo暴露的端口配置
                <dubbo.gege.port>29014</dubbo.gege.port>
              //工程的服务集合，${user.name}表示当前PC的UserName
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
              //dubbo服务版本号
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
            <activation>
                <activebydefault>true</activebydefault>
            </activation>
        </profile>
        <profile>
            <id>dev</id>
            <properties>
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
                <dubbo.gege.port>29014</dubbo.gege.port>
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
        </profile>
        <profile>
            <id>test</id>
            <properties>
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
                <dubbo.gege.port>29014</dubbo.gege.port>
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
        </profile>
        <profile>
            <id>product</id>
            <properties>
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
                <dubbo.gege.port>29014</dubbo.gege.port>
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
        </profile>
    </profiles>
 
</project>
</code>

TestServiceImpl.java

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<code class="language-java hljs ">package com.gege.service.impl;
 
import org.springframework.stereotype.Service;
 
import com.gege.service.ITestService;
 
@Service
public class TestServiceImpl implements ITestService {
    public String getName() {
        return "gege";
    }
}
</code>

applicationContext.xml

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<beans xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:task="http://www.springframework.org/schema/task" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
        http://www.springframework.org/schema/task 
        http://www.springframework.org/schema/task/spring-task-3.0.xsd">
 
    <task:annotation-driven>
        //注解扫描
        <context:component-scan base-package="com.gege">
    <context:annotation-config>
 
    <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor">
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer" id="propertyConfigurer">
        <property name="locations">
            <list>
                <value>classpath*:statics.properties</value>
            </list>
        </property>
    </bean>
 
 
    <import resource="dubbo-provider.xml">
</import></bean></context:annotation-config></context:component-scan></task:annotation-driven></beans>
</code>

dubbo-provider.xml

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<code class="language-xml hljs "><!--?xml version="1.0" encoding="UTF-8"?-->
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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">
 
    <dubbo:application name="provider">
    <dubbo:registry address="${dubbo.gege.address}" port="${dubbo.gege.port}" protocol="dubbo">
    <dubbo:protocol name="dubbo" port="${dubbo.gege.port}">
    <dubbo:monitor protocol="registry">
 
    <dubbo:service group="${dubbo.gege.group}" interface="com.gege.service.ITestService" ref="testServiceImpl" version="${dubbo.gege.version}">
</dubbo:service></dubbo:monitor></dubbo:protocol></dubbo:registry></dubbo:application></beans>
</code>

log4j.properties

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<code class="language-xml hljs ">log4j.rootLogger=debug, stdout, R
 
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 
#Pattern to output the caller's file name and line number.
log4j.appender.stdout.layout.ConversionPattern=[%d] %t (%F:%L) %-5p - %m%n
 
log4j.appender.R.Encoding=UTF-8
log4j.appender.R=org.apache.log4j.DailyRollingFileAppender
log4j.appender.R.DatePattern='_'yyyy-MM-dd_HH'.log'
log4j.appender.R.File=${catalina.home}/logs/1.0_order_provider
log4j.appender.R.ImmediateFlush=true
log4j.appender.R.MaxFileSize=10000KB
# Keep one backup file
log4j.appender.R.MaxBackupIndex=20
 
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=[%d] %t %c (%F:%L) %-5p - %m%n
 
log4j.category.com.cheguo=info
log4j.category.org.springframework=info
log4j.category.freemarker=info</code>

statics.properties

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<code class="language-xml hljs ">dubbo.gege.address=${dubbo.gege.address}
dubbo.gege.port=${dubbo.gege.port}
dubbo.gege.version=${dubbo.gege.version}
dubbo.gege.group=${dubbo.gege.group}
dubbo.gege.check=false
dubbo.gege.retries=0
dubbo.gege.timeout=10000</code>

web.xml

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<code class="language-xml hljs ">
 
<web-app>
    <display-name>provider</display-name>
    <servlet>
        <servlet-name>dubboService</servlet-name>
        <servlet-class>com.gege.tool.DubboInit</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
</web-app>
</code>

5、Dubbo服务消费者工程创建与配置

Dubbo消费者

pom.xml

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<code class="language-xml hljs "><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.gege</groupid>
    <artifactid>consumer</artifactid>
    <packaging>jar</packaging>
    <version>0.0.1-SNAPSHOT</version>
 
    <properties>
        <spring.version>3.2.8.RELEASE</spring.version>
        <project.build.sourceencoding>UTF-8</project.build.sourceencoding>
    </properties>
 
    <dependencies>
        <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>
        <dependency>
            <groupid>com.github.sgroschupf</groupid>
            <artifactid>zkclient</artifactid>
            <version>0.1</version>
        </dependency>
        <!--{cke_protected}{C}%3C!%2D%2D%20spring%E7%9B%B8%E5%85%B3%20%2D%2D%3E-->
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-core</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-beans</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-context</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-web</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-webmvc</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-aop</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-tx</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-orm</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-context-support</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-test</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>org.springframework</groupid>
            <artifactid>spring-jms</artifactid>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupid>com.gege</groupid>
            <artifactid>provider</artifactid>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupid>com.gege</groupid>
            <artifactid>api</artifactid>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupid>javax.servlet</groupid>
            <artifactid>servlet-api</artifactid>
            <version>2.5</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupid>log4j</groupid>
            <artifactid>log4j</artifactid>
            <version>1.2.14</version>
        </dependency>
 
        <dependency>
            <groupid>cglib</groupid>
            <artifactid>cglib</artifactid>
            <version>2.2</version>
        </dependency>
        <dependency>
            <groupid>commons-lang</groupid>
            <artifactid>commons-lang</artifactid>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupid>taglibs</groupid>
            <artifactid>standard</artifactid>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupid>org.slf4j</groupid>
            <artifactid>slf4j-log4j12</artifactid>
            <version>1.7.2</version>
        </dependency>
    </dependencies>
    <build>
        <resources>
            <resource>
                <directory>${project.basedir}/src/main/resources</directory>
                <includes>
                    <include>*.*</include>
                </includes>
                <filtering>true</filtering>
            </resource>
        </resources>
    </build>
    <profiles>
        <profile>
            <id>local</id>
            <properties>
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
            <activation>
                <activebydefault>true</activebydefault>
            </activation>
        </profile>
        <profile>
            <id>dev</id>
            <properties>
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
        </profile>
        <profile>
            <id>test</id>
            <properties>
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
        </profile>
        <profile>
            <id>product</id>
            <properties>
                <dubbo.gege.address>zookeeper://127.0.0.1:2181</dubbo.gege.address>
                <dubbo.gege.group>${user.name}</dubbo.gege.group>
                <dubbo.gege.version>1.0.0</dubbo.gege.version>
            </properties>
        </profile>
    </profiles>
 
</project>
</code>

applicationContext.xml

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<beans xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:task="http://www.springframework.org/schema/task" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
        http://www.springframework.org/schema/task 
        http://www.springframework.org/schema/task/spring-task-3.0.xsd">
 
 
    <task:annotation-driven>
        <context:component-scan base-package="com.gege">
    <context:annotation-config>
 
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer" id="propertyConfigurer">
        <property name="locations">
            <list>
                <value>classpath*:statics.properties</value>
            </list>
        </property>
    </bean>
 
    <import resource="dubbo-customer.xml">
</import></context:annotation-config></context:component-scan></task:annotation-driven></beans> </code>

dubbo-customer.xml

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<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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">
 
    <dubbo:application name="consumer"></dubbo:application>
    <dubbo:registry address="${dubbo.gege.address}" id="gege_center" protocol="dubbo">
    <dubbo:provider group="${dubbo.gege.group}" registry="gege_center" version="${dubbo.gege.version}">
    <dubbo:consumer check="false" group="${dubbo.gege.group}" registry="gege_center" version="${dubbo.gege.version}">
 
    <dubbo:reference id="testService" interface="com.gege.service.ITestService" retries="${dubbo.gege.retries}" timeout="${dubbo.gege.timeout}">
</dubbo:reference></dubbo:consumer></dubbo:provider></dubbo:registry></beans>
</code>

log4j.properties

同上

statics.properties

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<code class="language-xml hljs ">dubbo.gege.address=${dubbo.gege.address}
dubbo.gege.group=${dubbo.gege.group}
dubbo.gege.version=${dubbo.gege.version}
dubbo.gege.retries=0
dubbo.gege.timeout=10000</code>

ConsumerServiceTest.java

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<code class="language-java hljs ">package com.gege.service;
 
import java.io.IOException;
 
import org.apache.log4j.Logger;
import org.springframework.context.support.ClassPathXmlApplicationContext;
 
public class ConsumerServiceTest {
    Logger logger=Logger.getLogger(ConsumerServiceTest.class);
    public static void main(String[] args) {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
                new String[] { "applicationContext.xml" });
        context.start();
        ITestService testService = (ITestService) context.getBean("testService");
        System.out.println(testService.getName());
        try {
            System.in.read();
        } catch (IOException e) {
            e.printStackTrace();
        } 
 
    }
}
</code>

6、运行测试

运行zookeeper，双击zkServer.cmd

运行dubbo-admin，双击Tomcat7w.exe，点击start

在eclipse中用tomcat运行服务提供者，可能存在超时，配置tomcat的timeout配置就可以了

在eclipse中用tomcat运行服务消费者

消费者工程的ConsumerServiceTest下，右键

\

就可以查看是否成功

正常结果：

gege

posted @ 2016-12-13 18:18  目标奔雷手  阅读(230)  评论(0)    收藏  举报