dubbo框架集成spring，springmvc，mybatis框架

一、建一个接口工程，接口工程名字dubbo-interface

dubbo-interface接口工程的pom依赖

<?xml version="1.0" encoding="UTF-8"?>
<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.example</groupId><artifactId>dubbo-interface</artifactId><version>1.0-SNAPSHOT</version></project>

二、建立服务提供者工程，工程名字是dubbo-provider

项目结构是

dubbo-provider工程的pom依赖为

<?xml version="1.0" encoding="UTF-8"?><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.example</groupId><artifactId>dubbo-provider</artifactId><version>1.0-SNAPSHOT</version><packaging>war</packaging><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><maven.compiler.source>1.7</maven.compiler.source><maven.compiler.target>1.7</maven.compiler.target></properties><dependencies><dependency><groupId>org.example</groupId><artifactId>dubbo-interface</artifactId><version>1.0-SNAPSHOT</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>dubbo</artifactId><version>2.6.2</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>4.3.16.RELEASE</version></dependency>
<!--    接口工程--><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>4.2.1.RELEASE</version></dependency><dependency><groupId>org.apache.zookeeper</groupId><artifactId>zookeeper</artifactId><version>3.4.8</version></dependency><dependency><!--    zookeeper注册中心依赖--><groupId>org.apache.curator</groupId><artifactId>curator-framework</artifactId><version>4.0.0</version></dependency><dependency><groupId>org.apache.curator</groupId><artifactId>curator-recipes</artifactId><version>4.0.0</version></dependency></dependencies>
</project>

UserServiceImpl类

package com.example.serviceImpl;import com.alibaba.dubbo.config.annotation.Service;
import com.example.pojo.User;
import com.example.service.UserService;@Service
public class UserServiceImpl implements UserService {@Overridepublic User getUser() {User user = new User();user.setName("张三");user.setAge(25);return user;}@Overridepublic String getStr() {return "str";}
}

服务提供者的dubbo-zk-provider.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"xmlns:context="http://www.springframework.org/schema/context"xmlns:mvc="http://www.springframework.org/schema/cache"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 http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd"><!--    声明服务提供者名称--><dubbo:application name="dubbo-provider"/><!--    指定注册中心--><dubbo:registry address="zookeeper://127.0.0.1:2181"/><!--  扫描含有dubbo相关注解的包--><dubbo:annotation package="com.example.serviceImpl"/>
</beans>

web.xml

<!DOCTYPE web-app PUBLIC"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN""http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app><context-param><param-name>contextConfigLocation</param-name><param-value>classpath:dubbo-zk-provider.xml</param-value></context-param><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener>
</web-app>

三、建立服务消费者工程，工程名字是dubbo-consumer，项目结构为

消费者工程的pom文件

<?xml version="1.0" encoding="UTF-8"?><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.example</groupId><artifactId>dubbo-consumer</artifactId><version>1.0-SNAPSHOT</version><packaging>war</packaging><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><maven.compiler.source>1.7</maven.compiler.source><maven.compiler.target>1.7</maven.compiler.target></properties><dependencies><dependency><groupId>org.example</groupId><artifactId>dubbo-interface</artifactId><version>1.0-SNAPSHOT</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>dubbo</artifactId><version>2.6.2</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>4.3.16.RELEASE</version></dependency><!--    接口工程--><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>4.3.16.RELEASE</version></dependency><!--    zookeeper注册中心依赖--><dependency><groupId>org.apache.zookeeper</groupId><artifactId>zookeeper</artifactId><version>3.4.8</version></dependency><dependency><!--    zookeeper注册中心依赖--><groupId>org.apache.curator</groupId><artifactId>curator-framework</artifactId><version>4.0.0</version></dependency><dependency><groupId>org.apache.curator</groupId><artifactId>curator-recipes</artifactId><version>4.0.0</version></dependency></dependencies>
</project>

消费者工程的UserController类

package com.example.controller;import com.alibaba.dubbo.config.annotation.Reference;
import com.example.service.UserService;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;@RestController
public class UserController {@ReferenceUserService userService;@RequestMapping("/test")public String test(){return "test";}@RequestMapping("/str")public String getStr(){System.out.println(userService);return userService.getStr();}
}

dubbo-zk-consumer.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:context="http://www.springframework.org/schema/context"xmlns:mvc="http://www.springframework.org/schema/mvc"xmlns:dubbo="http://dubbo.apache.org/schema/dubbo"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsdhttp://dubbo.apache.org/schema/dubbo http://dubbo.apache.org/schema/dubbo/dubbo.xsd"><!--    注解驱动--><mvc:annotation-driven/><!--扫描组件--><context:component-scan base-package="com.example.controller"/><!--    声明服务消费者名称--><dubbo:application name="dubbo-consumer"/><!--    指定注册中心--><dubbo:registry address="zookeeper://127.0.0.1:2181"/><dubbo:annotation package="com.example.controller"/></beans>

消费者工程的web.xml文件

<!DOCTYPE web-app PUBLIC"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN""http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app>
<servlet><servlet-name>dispatcherServlet</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath:dubbo-zk-consumer.xml</param-value></init-param><load-on-startup>1</load-on-startup>
</servlet><servlet-mapping><servlet-name>dispatcherServlet</servlet-name><url-pattern>/*</url-pattern></servlet-mapping>
</web-app>

四、启动zookeeper注册中心，在该项目中我使用的注册中心是zookeeper-3.4.13

五、启动服务提供者，就会把服务注册到zookeeper注册中心

六、启动服务消费者

七、在浏览器中输入http://localhost:8080/str就能访问到返回一个字符串str,注意：这里的端口号是消费者工程的端口号

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