5.Dubbo之Spring XML配置

其他 2018-08-31 22:11:27 阅读次数: 0

一、演示

1.包结构

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>

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>

3.2Bean配置

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: [email protected]. 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 + "]";
	}
	

}

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: [email protected]. All rights reserved. 
 *
 */
public interface DefaultApiService {
     
	/**
	 * 默认方法
	 * @param str
	 * @return
	 */
	String defaultMethod(String str);

}

4.dubbo-spring-xml-provider

服务提供者

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

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>

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: [email protected]. 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;
	}

}

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>

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>

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>

5.dubbo-spring-xml-customer

服务消费者

需要引入dubbo-spring-xml-api.jar文件

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>

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: [email protected]. 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);
	}

}

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>

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>

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>

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。

源码地址：

https://gitee.com/niugangxy/dubbo

                                        

                                                                    JAVA程序猿成长之路

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