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5.Dubbo之Spring XML配置

时间：2020-01-13 16:44:59      阅读：72      评论：0      收藏：0      [点我收藏+]

一、演示

1.包结构

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2.dubbo-spring-xml

maven父工程

2.1pom.xml配置

<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>org.niugang</groupId>
    <artifactId>dubbo-spring-xml</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>pom</packaging>
    <modules>
        <module>dubbo-spring-xml-provider</module>
        <module>dubbo-spring-xml-customer</module>
        <module>dubbo-spring-xml-api</module>
    </modules>
    <properties>
        <!-- Generic properties -->
        <java.version>1.7</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <!-- Web -->
        <jsp.version>2.2</jsp.version>
        <jstl.version>1.2</jstl.version>
        <servlet.version>3.1.0</servlet.version>
        <!-- Spring -->
        <spring-framework.version>4.3.10.RELEASE</spring-framework.version>
        <!-- Logging -->
        <logback.version>1.0.13</logback.version>
        <slf4j.version>1.7.5</slf4j.version>
    </properties>
    <dependencyManagement>


        <dependencies>
            <dependency>
                <groupId>javax</groupId>
                <artifactId>javaee-web-api</artifactId>
                <version>7.0</version>
                <scope>provided</scope>
            </dependency>

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

            <!-- 其他web依赖 -->
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jstl</artifactId>
                <version>${jstl.version}</version>
            </dependency>

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

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

            <!-- Spring and Transactions -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>${spring-framework.version}</version>
            </dependency>

            <!-- 使用SLF4J和LogBack作为日志 -->
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-api</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>1.2.16</version>
            </dependency>
            <dependency>
                <groupId>org.slf4j</groupId>
                <artifactId>jcl-over-slf4j</artifactId>
                <version>${slf4j.version}</version>
            </dependency>
            <dependency>
                <groupId>ch.qos.logback</groupId>
                <artifactId>logback-classic</artifactId>
                <version>${logback.version}</version>
            </dependency>
            <dependency>
                <groupId>ch.qos.logback</groupId>
                <artifactId>logback-core</artifactId>
                <version>${logback.version}</version>
            </dependency>
            <dependency>
                <groupId>ch.qos.logback</groupId>
                <artifactId>logback-access</artifactId>
                <version>${logback.version}</version>
            </dependency>

            <!--对json和xml格式的支持 -->
            <!-- <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> 
                <artifactId>jackson-dataformat-xml</artifactId> <version>2.5.3</version> 
                </dependency> -->
            <!--配置springmvc信息转化为json所需的json包 -->
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
                <version>2.8.6</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
                <version>2.8.6</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-annotations</artifactId>
                <version>2.8.6</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-core</artifactId>
                <version>2.8.6</version>
            </dependency>

            <!-- 非必需，可简化IO操作 -->
            <dependency>
                <groupId>commons-io</groupId>
                <artifactId>commons-io</artifactId>
                <version>2.3</version>
            </dependency>

            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${spring-framework.version}</version>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>${spring-framework.version}</version>
                <scope>test</scope>
            </dependency>

            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjrt</artifactId>
                <version>1.8.6</version>
            </dependency>
            <!--aspectj依赖 -->
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjtools</artifactId>
                <version>1.8.9</version>
            </dependency>
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjweaver</artifactId>
                <version>1.7.4</version>
            </dependency>

            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.11</version>
                <scope>test</scope>
            </dependency>

            <!--dubbo -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>dubbo</artifactId>
                <version>2.5.8</version>
            </dependency>
            <!--redis -->
            <dependency>
                <groupId>redis.clients</groupId>
                <artifactId>jedis</artifactId>
                <version>2.9.0</version>
            </dependency>

        </dependencies>
    </dependencyManagement>
</project>

 

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3.dubbo-spring-xml-api

对外暴露RPC接口模块

3.1pom.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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.niugang</groupId>
    <artifactId>dubbo-spring-xml</artifactId>
    <version>0.0.1-SNAPSHOT</version>
  </parent>
  <artifactId>dubbo-spring-xml-api</artifactId>
</project>

 

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3.2Bean配置

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package org.niugang.bean;
/**
 * 
 * @ClassName:  DefaultBean   
 * @Description:默认Bean
 * @author: niugang
 * @date:   2018年8月22日 下午5:30:27   
 * @Copyright: 863263957@qq.com. All rights reserved. 
 *
 */
public class DefaultBean {
    private String str;
    private String methodName;
    private long timestamp;

    public String getStr() {
        return str;
    }

    public void setStr(String str) {
        this.str = str;
    }

    public String getMethodName() {
        return methodName;
    }

    public void setMethodName(String methodName) {
        this.methodName = methodName;
    }

    public long getTimestamp() {
        return timestamp;
    }

    public void setTimestamp(long timestamp) {
        this.timestamp = timestamp;
    }

    @Override
    public String toString() {
        return "DefaultBean [str=" + str + ", methodName=" + methodName + ", timestamp=" + timestamp + "]";
    }
    

}

 

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3.3Service

package org.niugang.service;

/**
 * 
 * @ClassName:  DefaultApiService   
 * @Description:对外暴露API接口  
 * @author: niugang
 * @date:   2018年8月22日 下午5:27:21   
 * @Copyright: 863263957@qq.com. All rights reserved. 
 *
 */
public interface DefaultApiService {
     
    /**
     * 默认方法
     * @param str
     * @return
     */
    String defaultMethod(String str);

}

 

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4.dubbo-spring-xml-provider

服务提供者

将dubbo-spring-xml-api 打成jar包dubbo-spring-xml-provider中。

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4.1pom.xml

<?xml version="1.0"?>
<project
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
    xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.niugang</groupId>
        <artifactId>dubbo-spring-xml</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>dubbo-spring-xml-provider</artifactId>
    <packaging>jar</packaging>
    <name>dubbo-spring-xml-provider</name>
    <url>http://maven.apache.org</url>
    <dependencies>
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-web-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <!-- Spring MVC -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
        </dependency>

        <!-- 其他web依赖 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <!-- Spring and Transactions -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
        </dependency>

        <!-- 使用SLF4J和LogBack作为日志 -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-core</artifactId>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-access</artifactId>
        </dependency>

        <!--对json和xml格式的支持 -->
        <!-- <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-xml</artifactId> 
            <version>2.5.3</version> </dependency> -->
        <!--配置springmvc信息转化为json所需的json包 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
        </dependency>

        <!-- 非必需，可简化IO操作 -->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
        </dependency>
        <!--aspectj依赖 -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjtools</artifactId>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <scope>test</scope>
        </dependency>

        <!--dubbo -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
        </dependency>
        <!--redis -->
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.niugang</groupId>
            <artifactId>dubbo-spring-xml-api</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>


    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

 

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4.2service对外暴露接口实现类

package org.niugang.service;

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

import org.niugang.bean.DefaultBean;

/**
 * 
 * @ClassName: DefaultDemoService
 * @Description:对外暴露接口实现类
 * @author: niugang
 * @date: 2018年8月21日 下午8:18:29
 * @Copyright: 863263957@qq.com. All rights reserved.
 *
 */

public class DefaultServiceImpl implements DefaultApiService {
       //模拟数据
    public static List<DefaultBean> list = new ArrayList<DefaultBean>();
    static {

        DefaultBean defaultBean = new DefaultBean();
        defaultBean.setStr("1");
        defaultBean.setMethodName("defaultMethod");
        defaultBean.setTimestamp(System.currentTimeMillis());
        list.add(defaultBean);
        DefaultBean defaultBean2 = new DefaultBean();
        defaultBean2.setStr("2");
        defaultBean2.setMethodName("defaultMethod2");
        defaultBean2.setTimestamp(System.currentTimeMillis());
        list.add(defaultBean2);
        DefaultBean defaultBean3 = new DefaultBean();
        defaultBean3.setStr("3");
        defaultBean3.setMethodName("defaultMethod3");
        defaultBean3.setTimestamp(System.currentTimeMillis());
        list.add(defaultBean);
        DefaultBean defaultBean4 = new DefaultBean();
        defaultBean4.setStr("4");
        defaultBean4.setMethodName("defaultMethod4");
        defaultBean4.setTimestamp(System.currentTimeMillis());
        list.add(defaultBean4);
        DefaultBean defaultBean5 = new DefaultBean();
        defaultBean5.setStr("5");
        defaultBean5.setMethodName("defaultMethod5");
        defaultBean5.setTimestamp(System.currentTimeMillis());
        list.add(defaultBean5);
    }
     @Override
     public String defaultMethod(String str) {
        Random random = new Random();
        int nextInt = random.nextInt(6);
        String res = null;
        if (nextInt > 0) {
            DefaultBean defaultBean = list.get(nextInt - 1);
            res = defaultBean.getStr() + "#" + defaultBean.getMethodName() + "#" + defaultBean.getTimestamp()
                    + "###^^^^^^^^^^^" + str + "^^^^^^^^^^^^";
        } else {
            DefaultBean defaultBean = list.get(nextInt);
            res = defaultBean.getStr() + "#" + defaultBean.getMethodName() + "#" + defaultBean.getTimestamp()
                    + "###^^^^^^^^^^^" + str + "^^^^^^^^^^^^";
        }
        return res;
    }

}

 

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4.3application.xml配置

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

    <import resource="provider.xml" />



    <!--組件扫描 -->
    <context:component-scan base-package="org.niugang" />


    <!--注解扫描 -->
    <mvc:annotation-driven />



</beans>

 

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4.4provider.xml配置

dubbo配置

<?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">

    <!-- http://dubbo.apache.org/schema/dubbo/dubbo.xsd 上面配置为这个一直报错，改为 http://code.alibabatech.com/schema/dubbo/dubbo.xsd -->

    <!--用于配置当前应用信息，不管该应用是提供者还是消费者 -->
    <dubbo:application name="hello-world-app" />

    <!-- 用于配置连接注册中心相关信息 -->
    <dubbo:registry address="redis://localhost:6379"
        timeout="30000">
        <!--配置redis连接参数 -->
        <!--具体参数配置见com.alibaba.dubbo.registry.redis.RedisRegistry.class  -->
        <dubbo:parameter key="max.idle" value="10" />
        <dubbo:parameter key="min.idle" value="5" />
        <dubbo:parameter key="max.active" value="20" />
        <dubbo:parameter key="max.total" value="100" />
    </dubbo:registry>

    <!-- 用于配置提供服务的协议信息，协议由提供方指定，消费方被动接受 -->
    <dubbo:protocol name="dubbo" port="20880" accesslog="true" />
    
    <!-- 实现类 -->
    <bean id="defaultService" class="org.niugang.service.DefaultServiceImpl" />
    <!--用于暴露一个服务，定义服务的元信息，一个服务可以用多个协议暴露，一个服务也可以注册到多个注册中心 -->
    <dubbo:service interface="org.niugang.service.DefaultApiService"
        ref="defaultService" />



</beans>

 

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redis注册源码见com.alibaba.dubbo.registry.redis.RedisRegistry.class

4.5web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
    xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2eehttp://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <!-- 上下文配置文件位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <!-- spring 配置文件所在位置，启动 spring 时会去该路径下查找该配置文件 -->
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!-- spring 上下文监听器，初始化启动容器时启动 spring -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener
        </listener-class>
    </listener>
    <!-- spring 核心转发器，拦截指定目录下的请求，分配到配置的拦截路径下处理 -->
    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <!-- spring 编码过滤器 -->
    <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>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <!-- 编码过滤器过滤的路径 -->
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

 

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5.dubbo-spring-xml-customer

服务消费者

需要引入dubbo-spring-xml-api.jar文件

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5.1pom.xml

<?xml version="1.0"?>
<project
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
    xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.niugang</groupId>
        <artifactId>dubbo-spring-xml</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>dubbo-spring-xml-customer</artifactId>
    <packaging>jar</packaging>
    <name>dubbo-spring-xml-customer</name>
    <url>http://maven.apache.org</url>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-web-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <!-- Spring MVC -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
        </dependency>

        <!-- 其他web依赖 -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <scope>provided</scope>
        </dependency>

        <!-- Spring and Transactions -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
        </dependency>

        <!-- 使用SLF4J和LogBack作为日志 -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-core</artifactId>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-access</artifactId>
        </dependency>

        <!--对json和xml格式的支持 -->
        <!-- <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-xml</artifactId> 
            <version>2.5.3</version> </dependency> -->
        <!--配置springmvc信息转化为json所需的json包 -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
        </dependency>

        <!-- 非必需，可简化IO操作 -->
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
        </dependency>
        <!--aspectj依赖 -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjtools</artifactId>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
        </dependency>
        <!--dubbo -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
        </dependency>
        <!--redis -->
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
        </dependency>
        <!--引入服务提供者 rpc接口-->
        <dependency>
            <groupId>org.niugang</groupId>
            <artifactId>dubbo-spring-xml-api</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <failOnMissingWebXml>false</failOnMissingWebXml>
                </configuration>
            </plugin>
        </plugins>


        <finalName>dubbo-spring-xml-customer</finalName>
    </build>
</project>

 

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5.1消费服务

package org.niugang.controller;

import javax.annotation.Resource;

import org.niugang.service.DefaultApiService;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

/**
 * 
 * @ClassName: DemoConsumerController
 * @Description:web调用服务提供者对外暴露的rpc接口
 * @author: niugang
 * @date: 2018年8月18日 上午9:41:30
 * @Copyright: 863263957@qq.com. All rights reserved.
 *
 */
@RestController
public class DemoConsumerController {

    /**
     * 引入服务提供者
     */
    @Resource(name = "defaultService")
    private DefaultApiService defaultService;

    @RequestMapping("/sayHello")
    public String sayHello(@RequestParam String name) {
        return defaultService.defaultMethod(name);
    }

}

 

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5.3applicationContentxt.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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
        xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"
    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.xsd
   http://www.springframework.org/schema/mvc
   http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <import resource="classpath:consumer.xml" />

    <!--組件扫描 -->
    <context:component-scan base-package="org.niugang" />

    <!--注解扫描 -->
    <mvc:annotation-driven />


</beans>

 

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5.4customer.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">
     
    <!-- 消费方应用名，用于计算依赖关系，不是匹配条件，不要与提供方一样 -->
    <dubbo:application name="hello-world-customer" />

    <dubbo:registry address="redis://localhost:6379"
        timeout="30000" check="false" />

    <!-- 生成远程服务代理，可以和本地bean一样使用demoService -->
    <dubbo:reference id="defaultService" interface="org.niugang.service.DefaultApiService" />

</beans>

 

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5.5web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
    xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2eehttp://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <!-- 上下文配置文件位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <!-- spring 配置文件所在位置，启动 spring 时会去该路径下查找该配置文件 -->
        <param-value>classpath*:applicationContext.xml</param-value>
    </context-param>
    <!-- spring 上下文监听器，初始化启动容器时启动 spring -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener
        </listener-class>
    </listener>
    <!-- spring 核心转发器，拦截指定目录下的请求，分配到配置的拦截路径下处理 -->
    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath*：applicationContext.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <!-- spring 编码过滤器 -->
    <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>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <!-- 编码过滤器过滤的路径 -->
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

 

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以上配置完成。将服务提供者，服务消费分别部署到不同的tomcat中。

启动服务提供者，启动服务消费者。

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源码地址：

https://gitee.com/niugangxy/dubbo

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5.Dubbo之Spring XML配置

原文：https://www.cnblogs.com/niugang0920/p/12187593.html
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