dubbo服务框架和ssm的整合_dubbo整合ssm结构-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_43700718/article/details/106004358

本文介绍了如何将Dubbo服务框架与Spring、SpringMVC（SSM）进行整合，详细阐述了整体搭建过程，包括各模块（如pojo、dao、interface、provider和consumer）的结构与依赖关系。在实际操作中，需要注意版本匹配以避免依赖冲突，实体类需实现序列化接口，以及Zookeeper的配置与服务启动顺序等关键点。

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整体的搭建

如下图我个人搭建的结构，service层分为接口和提供者，dao依赖pojo，consumer依赖interface，provider依赖interface、dao。具体实现如下：

整体的

根项目：

dubbo_ssm模块作为最顶层的模块，并没有实现具体的功能，它的作用是管理依赖，所以只有pom文件：
值得注意的是，要注意依赖中的版本号不易太高，避免各种依赖之间的冲突

<?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_ssm</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>
    <modules>
        <module>dubbo_pojo</module>
        <module>dubbo_dao</module>
        <module>dubbo_service</module>
        <module>dubbo_consumer</module>
    </modules>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.18.12</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>4.3.20.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>2.0.1</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>3.4.6</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>1.0.28</version>
            </dependency>
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>com.springsource.org.aspectj.weaver</artifactId>
                <version>1.6.8.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>8.0.19</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
                <version>2.8.10</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>4.3.20.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>4.3.20.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.apache.zookeeper</groupId>
                <artifactId>zookeeper</artifactId>
                <version>3.4.10</version>
            </dependency>
            <dependency>
                <groupId>com.101tec</groupId>
                <artifactId>zkclient</artifactId>
                <version>0.7</version>
            </dependency>
            <dependency>
                <groupId>commons-io</groupId>
                <artifactId>commons-io</artifactId>
                <version>2.4</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>dubbo</artifactId>
                <version>2.5.4</version>
                <!--去除dubbo底层的spring，避免版本冲突-->
                <exclusions>
                    <exclusion>
                        <groupId>org.springframework</groupId>
                        <artifactId>spring</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <!-- define the project compile level -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

pojo模块

pojo模块不依赖任何模块，只是提供实体类所以加个lombok就好，注意该实体类必须要实现序列化接口

package com.yuxi.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class User implements Serializable {

    private int uid;

    private String uname;

    private String sex;

    private int age;

    private String addr;
}

dao模块

和以前的ssm项目一样，dao层用来和数据库的交互

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">
    <parent>
        <artifactId>dubbo_ssm</artifactId>
        <groupId>org.example</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>dubbo_dao</artifactId>

    <dependencies>
        <dependency>
            <groupId>org.example</groupId>
            <artifactId>dubbo_pojo</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>com.springsource.org.aspectj.weaver</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
        </dependency>
    </dependencies>

</project>

接口类：

package com.yuxi.dao;

import com.yuxi.pojo.User;

import java.util.List;

public interface UserDao {

    List<User> getAllUsers();
}

配置文件：
放在了classpa：com.yuxi.daoMapper底下

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!-- 整个映射文件为mapper节点，里面包含namespace属性 -->
<mapper namespace="com.yuxi.dao.UserDao">

    <select id="getAllUsers" resultType="com.yuxi.pojo.User">
		select * from user
	</select>
</mapper>

interface模块

接口中用的到pojo，所以依赖中加个pojo进来就好

<?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">
    <parent>
        <artifactId>dubbo_service</artifactId>
        <groupId>org.example</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>dubbo_service_interface</artifactId>
    <dependencies>
        <dependency>
            <groupId>org.example</groupId>
            <artifactId>dubbo_pojo</artifactId>
            <version>1.0-SNAPSHOT</version>
            <scope>compile</scope>
        </dependency>
    </dependencies>


</project>

接口：

package com.yuxi.service;

import com.yuxi.pojo.User;

import java.util.List;

/**
 * @author Administrator
 */
public interface IUserService {

    /**
     * 查詢所有人員
     * @return 集合列表
     */
    List<User> getAllUsers();
}

provider模块：

将provider模块打包为war包

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">
    <parent>
        <artifactId>dubbo_service</artifactId>
        <groupId>org.example</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <packaging>war</packaging>

    <artifactId>dubbo_service_provider</artifactId>

    <dependencies>
        <dependency>
            <groupId>org.example</groupId>
            <artifactId>dubbo_service_interface</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.example</groupId>
            <artifactId>dubbo_dao</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>com.springsource.org.aspectj.weaver</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
        </dependency>
        <dependency>
            <groupId>com.101tec</groupId>
            <artifactId>zkclient</artifactId>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
        </dependency>
    </dependencies>

    <build>
        <!--不过滤java下的xml文件-->
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
        <plugins>
            <!-- 添加tomcat插件 -->
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <path>/</path>
                    <port>8081</port>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring-*.xml</param-value>
    </context-param>

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
</web-app>

db.properties文件

user=root
pass=123456
driver=com.mysql.cj.jdbc.Driver
url=jdbc:mysql://localhost:3306/rbac?useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8

mybatis-config.xml文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <settings>
        <setting name="logImpl" value="STDOUT_LOGGING"/>
    </settings>
</configuration>

spring-dubbo文件

<?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"
       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-4.3.xsd
		http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <context:component-scan base-package="com.yuxi.service"/>

    <!-- 定义服务提供者在dubbo中的名称 -->
    <dubbo:application name="dubbo_service_provider"/>

    <!-- 配置dubbo协议， dubbo， RMI， hession -->
    <dubbo:protocol name="dubbo" port="20880"/>

    <!-- 完成dubbo的注册 -->
    <!-- <dubbo:registry address="zookeeper://192.168.169.1:2181"></dubbo:registry> -->
    <dubbo:registry address="zookeeper://192.168.169.1:2181"></dubbo:registry>

    <!-- 将接口暴露给消费方 -->
    <dubbo:service interface="com.yuxi.service.IUserService" ref="userServiceImpl"/>
</beans>

spring-mybatis文件

<?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:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">

    <context:property-placeholder location="classpath:db.properties"/>

    <bean class="com.alibaba.druid.pool.DruidDataSource" id="ds">
        <property name="url" value="${url}"></property>
        <property name="username" value="${user}"></property>
        <property name="password" value="${pass}"></property>
        <property name="driverClassName" value="${driver}"></property>

    </bean>

    <bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sf">
        <property name="typeAliasesPackage" value="com.yuxi.pojo"/>
        <property name="mapperLocations" value="classpath:com.yuxi.daoMapper/*.xml"/>
        <property name="dataSource" ref="ds"></property>
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.yuxi.dao"/>
        <property name="sqlSessionFactoryBeanName" value="sf"></property>
    </bean>

    <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="dtx">
        <property name="dataSource" ref="ds"></property>
    </bean>

    <tx:advice id="tx" transaction-manager="dtx">
        <!--定义属性，声明事务规则 -->
        <tx:attributes>
            <tx:method name="create*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="insert*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="add*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="upd*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="del*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="execute*" propagation="REQUIRED"
                       isolation="DEFAULT" rollback-for="Exception"/>
            <tx:method name="do*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="save*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="set*" propagation="REQUIRED" isolation="DEFAULT"
                       rollback-for="Exception"/>
            <tx:method name="get*" propagation="SUPPORTS" isolation="DEFAULT"
                       read-only="true"/>
            <tx:method name="show*" propagation="SUPPORTS" isolation="DEFAULT"
                       read-only="true"/>
            <tx:method name="list*" propagation="SUPPORTS" isolation="DEFAULT"
                       read-only="true"/>
            <tx:method name="select*" propagation="SUPPORTS" isolation="DEFAULT"
                       read-only="true"/>
            <tx:method name="query*" propagation="SUPPORTS" isolation="DEFAULT"
                       read-only="true"/>
            <tx:method name="has*" propagation="SUPPORTS" isolation="DEFAULT"
                       read-only="true"/>
            <tx:method name="ntx*" propagation="NOT_SUPPORTED"/>
            <tx:method name="*" propagation="SUPPORTS" isolation="DEFAULT"
                       read-only="true"/>
        </tx:attributes>
    </tx:advice>

    <aop:config>
        <aop:pointcut expression="execution(* com.yuxi.service.*.*(..))" id="mpc"/>
        <aop:advisor advice-ref="tx" pointcut-ref="mpc"/>
    </aop:config>
</beans>

实现类

package com.yuxi.service.Impl;

import com.yuxi.dao.UserDao;
import com.yuxi.pojo.User;
import com.yuxi.service.IUserService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;

/**
 * @author Administrator
 */
@Service
public class UserServiceImpl implements IUserService {

    @Resource
    private UserDao dao;

    @Override
    public List<User> getAllUsers() {
        return dao.getAllUsers();
    }
}

最后的consumer模块

同样的，把consumer模块打包为war包

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">
    <parent>
        <artifactId>dubbo_ssm</artifactId>
        <groupId>org.example</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <packaging>war</packaging>

    <artifactId>dubbo_consumer</artifactId>

    <dependencies>
        <dependency>
            <groupId>org.example</groupId>
            <artifactId>dubbo_service_interface</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
        </dependency>
        <dependency>
            <groupId>com.101tec</groupId>
            <artifactId>zkclient</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
        </dependency>

    </dependencies>


    <build>
        <!--不过滤java下的xml文件-->
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
        <plugins>

            <!-- 添加tomcat插件 -->
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <path>/</path>
                    <port>80</port>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
    <display-name>Days94SSMDubboPortal</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>

    <!-- needed for ContextLoaderListener -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring-*.xml</param-value>
    </context-param>

    <!-- Bootstraps the root web application context before servlet initialization -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- The front controller of this Spring Web application, responsible for handling all application requests -->
    <servlet>
        <servlet-name>springDispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!-- Map all requests to the DispatcherServlet for handling -->
    <servlet-mapping>
        <servlet-name>springDispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

spring-dubbo.xml文件

<?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: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://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
		http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <dubbo:application name="dubbo_consumer"/>

    <!-- 完成dubbo的注册 -->
    <dubbo:registry address="zookeeper://192.168.169.1:2181"></dubbo:registry>

<!-- id中的userservice对应当前模块方法中的变量 -->
    <dubbo:reference interface="com.yuxi.service.IUserService" id="userService"/>
</beans>

spring-mvc.xml文件

<?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"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
		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-4.3.xsd">

	<context:component-scan base-package="com.yuxi.controller" />
	
	<mvc:annotation-driven />
	
	<mvc:default-servlet-handler/>
</beans>

消费的方法类

package com.yuxi.controller;

import com.yuxi.pojo.User;
import com.yuxi.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.util.List;

/**
 * @author Administrator
 */
@RestController
public class UserController {

    @Resource
    private IUserService userService;

    @GetMapping("/users")
    public List<User> getAllUsers() {
        return userService.getAllUsers();
    }
}

代码就完结了，在运行的时候要注意的几点问题
1、先把zookeeper配置好，运行起来
2、在启动provider模块的时候，遇到某某依赖找不到的时候，把root模块先clean一下，再install一下，一般来说，写完后直接搞这两下预防出现问题
3、先启动provider模块，在启动consumer模块