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  • Dubbox小案例

    一。安装zookeeper

      1. 进入阿里云的容器服务,搜索zookeeper:https://cr.console.aliyun.com/cn-hangzhou/images

      2. 复制网址

      3. 下载镜像

    [root@ay120tum0is24xe ~]# docker image list
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    mysql               5.6                 27e29668a08a        6 weeks ago         256MB
    [root@ay120tum0is24xe ~]# docker image pull registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper
    Using default tag: latest
    latest: Pulling from zuowenbo/zookeeper
    8e3ba11ec2a2: Pull complete 
    311ad0da4533: Pull complete 
    391a6a6b3651: Pull complete 
    1e5180f6c6f9: Pull complete 
    Digest: sha256:d7531d8bec4b2f2a298fceaaaaeac8f5c7d223d4a9ea2136cf0af23110c83ae8
    Status: Downloaded newer image for registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper:latest
    [root@ay120tum0is24xe ~]# docker image list -a
    REPOSITORY                                             TAG                 IMAGE ID            CREATED             SIZE
    mysql                                                  5.6                 27e29668a08a        6 weeks ago         256MB
    registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper   latest              64e049ee9478        6 months ago        148MB
    [root@ay120tum0is24xe ~]# 

      4. 修改镜像名称

    [root@ay120tum0is24xe ~]# docker image tag registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper:latest zookeeper:latest
    [root@ay120tum0is24xe ~]# docker image list -a
    REPOSITORY                                             TAG                 IMAGE ID            CREATED             SIZE
    mysql                                                  5.6                 27e29668a08a        6 weeks ago         256MB
    registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper   latest              64e049ee9478        6 months ago        148MB
    zookeeper                                              latest              64e049ee9478        6 months ago        148MB
    [root@ay120tum0is24xe ~]# docker image rm registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper:latest
    Untagged: registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper:latest
    Untagged: registry.cn-hangzhou.aliyuncs.com/zuowenbo/zookeeper@sha256:d7531d8bec4b2f2a298fceaaaaeac8f5c7d223d4a9ea2136cf0af23110c83ae8
    [root@ay120tum0is24xe ~]# docker image list -a
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    mysql               5.6                 27e29668a08a        6 weeks ago         256MB
    zookeeper           latest              64e049ee9478        6 months ago        148MB
    [root@ay120tum0is24xe ~]# 

      5. 启动容器

    [root@ay120tum0is24xe ~]# docker container run --name zookeeper001 -d -p 2181:2181 zookeeper:latest    // 后面的为容器里的端口
    838d94a2d1c7120639c4d8219d26e718330d11a93e3e3989027a4ce61c7f32d4
    [root@ay120tum0is24xe ~]# docker container run --name zookeeper002 -d -p 2182:2181 zookeeper:latest
    df4357e92486490918c5a63ab7adec038eb5beddb8d1d42a04a8c9041df9fadf
    [root@ay120tum0is24xe ~]# docker container list
    CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                             PORTS                                        NAMES
    df4357e92486        zookeeper:latest    "/opt/zookeeper/bin/…"   19 seconds ago      Up 18 seconds (health: starting)   2888/tcp, 3888/tcp, 0.0.0.0:2182->2181/tcp   zookeeper002
    838d94a2d1c7        zookeeper:latest    "/opt/zookeeper/bin/…"   38 seconds ago      Up 37 seconds (healthy)            2888/tcp, 0.0.0.0:2181->2181/tcp, 3888/tcp   zookeeper001
    [root@ay120tum0is24xe ~]# 

    --name:容器名称

    -d:后台运行

    -p:端口映射,冒号左边为主机端口,右边为容器端口  

      6. 进人容器zookeeper002

    [root@ay120tum0is24xe ~]# docker container exec -it zookeeper002 /bin/sh
    /opt/zookeeper # ls
    LICENSE.txt                build.xml                  ivy.xml                    zookeeper-3.4.13.jar
    NOTICE.txt                 conf                       ivysettings.xml            zookeeper-3.4.13.jar.asc
    README.md                  contrib                    lib                        zookeeper-3.4.13.jar.md5
    README_packaging.txt       dist-maven                 recipes                    zookeeper-3.4.13.jar.sha1
    bin                        docs                       src
    /opt/zookeeper # 

      7.通过主机 登录容器zookeeper001

    /opt/zookeeper # ./bin/zkCli.sh -server 10.20.0.128:2181
    [zk: 10.20.0.128:2181(CONNECTED) 0] 

      8. quit退出zookeeper001,exit 退出容器zookeeper002

     二。安装dubbo-admin

      1. 下载镜像

    [root@ay120tum0is24xe ~]# docker image pull registry.cn-hangzhou.aliyuncs.com/zhaozhiwu/dubbo-admin
    [root@ay120tum0is24xe ~]# docker image list
    REPOSITORY                                                TAG                 IMAGE ID            CREATED             SIZE
    registry.cn-hangzhou.aliyuncs.com/zhaozhiwu/dubbo-admin   latest              4b43bc0f997e        3 weeks ago         360MB
    mysql                                                     5.6                 27e29668a08a        6 weeks ago         256MB
    zookeeper                                                 latest              64e049ee9478        6 months ago        148MB
    [root@ay120tum0is24xe ~]# docker image tag registry.cn-hangzhou.aliyuncs.com/zhaozhiwu/dubbo-admin dubbo-admin:latest
    [root@ay120tum0is24xe ~]# docker image rm registry.cn-hangzhou.aliyuncs.com/zhaozhiwu/dubbo-admin
    Untagged: registry.cn-hangzhou.aliyuncs.com/zhaozhiwu/dubbo-admin:latest
    Untagged: registry.cn-hangzhou.aliyuncs.com/zhaozhiwu/dubbo-admin@sha256:f23d8276e94ccfc5a6e5565ba6744c07f432869667fd08420d58148baf863910
    [root@ay120tum0is24xe ~]# docker image list
    REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
    dubbo-admin         latest              4b43bc0f997e        3 weeks ago         360MB
    mysql               5.6                 27e29668a08a        6 weeks ago         256MB
    zookeeper           latest              64e049ee9478        6 months ago        148MB
    [root@ay120tum0is24xe ~]#

      2. 运行容器

    [root@192 ~]# docker run -d --add-host zk:10.20.0.129 -p 8090:8080 --name dubbo dubbo-admin
    2e164333536a5b3c15260270e3939e9064cc11087824aaeac8bfbe379fea882c
    [root@192 ~]# 

      3. 浏览器登录:http://10.20.0.129:8090/ ,用户:root ,密码:root

    三。新建项目

      1. 建立空项目

      2. 添加maven父工程,不用模板,工程名:parent

      3. 修改 pom.xml

    <?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>com.zgh</groupId>
        <artifactId>parent</artifactId>
        <version>1.0-SNAPSHOT</version>
        <packaging>pom</packaging>
    
        <!-- 集中定义依赖版本号 -->
        <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>
            <jackson.version>2.8.5</jackson.version>
            <junit.version>4.12</junit.version>
            <spring.version>4.2.4.RELEASE</spring.version>
            <pagehelper.version>4.0.0</pagehelper.version>
            <servlet-api.version>2.5</servlet-api.version>
            <dubbo.version>2.8.4</dubbo.version>
            <zookeeper.version>3.4.7</zookeeper.version>
            <zkclient.version>0.1</zkclient.version>
            <mybatis.version>3.2.8</mybatis.version>
            <mybatis.spring.version>1.2.2</mybatis.spring.version>
            <mybatis.paginator.version>1.2.15</mybatis.paginator.version>
            <mysql.version>5.1.32</mysql.version>
            <druid.version>1.0.9</druid.version>
            <commons-fileupload.version>1.3.1</commons-fileupload.version>
            <freemarker.version>2.3.23</freemarker.version>
            <activemq.version>5.11.2</activemq.version>
            <security.version>3.2.3.RELEASE</security.version>
            <solrj.version>4.10.3</solrj.version>
            <ik.version>2012_u6</ik.version>
            <mybatis.generator>1.3.5</mybatis.generator>
        </properties>
    
        <dependencies>
            <!--对象转换成json的转换器-->
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-core</artifactId>
                <version>${jackson.version}</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
                <version>${jackson.version}</version>
            </dependency>
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-annotations</artifactId>
                <version>${jackson.version}</version>
            </dependency>
    
            <!-- Spring -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-beans</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aspects</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jms</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context-support</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!-- dubbo相关 -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>dubbo</artifactId>
                <version>${dubbo.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.zookeeper</groupId>
                <artifactId>zookeeper</artifactId>
                <version>${zookeeper.version}</version>
            </dependency>
            <dependency>
                <groupId>com.github.sgroschupf</groupId>
                <artifactId>zkclient</artifactId>
                <version>${zkclient.version}</version>
            </dependency>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.9</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>fastjson</artifactId>
                <version>1.2.28</version>
            </dependency>
            <dependency>
                <groupId>javassist</groupId>
                <artifactId>javassist</artifactId>
                <version>3.11.0.GA</version>
            </dependency>
            <dependency>
                <groupId>commons-codec</groupId>
                <artifactId>commons-codec</artifactId>
                <version>1.10</version>
            </dependency>
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>servlet-api</artifactId>
                <version>2.5</version>
                <scope>provided</scope>
            </dependency>
            <dependency>
                <groupId>com.github.pagehelper</groupId>
                <artifactId>pagehelper</artifactId>
                <version>${pagehelper.version}</version>
            </dependency>
            <!-- Mybatis -->
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>${mybatis.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>${mybatis.spring.version}</version>
            </dependency>
            <dependency>
                <groupId>com.github.miemiedev</groupId>
                <artifactId>mybatis-paginator</artifactId>
                <version>${mybatis.paginator.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-core</artifactId>
                <version>${mybatis.generator}</version>
            </dependency>
            <!-- MySql -->
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>${mysql.version}</version>
            </dependency>
            <!-- 连接池 -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>${druid.version}</version>
            </dependency>
            <dependency>
                <groupId>org.csource.fastdfs</groupId>
                <artifactId>fastdfs</artifactId>
                <version>1.2</version>
            </dependency>
            <!-- 文件上传组件 -->
            <dependency>
                <groupId>commons-fileupload</groupId>
                <artifactId>commons-fileupload</artifactId>
                <version>${commons-fileupload.version}</version>
            </dependency>
            <!-- 缓存 -->
            <dependency>
                <groupId>redis.clients</groupId>
                <artifactId>jedis</artifactId>
                <version>2.8.1</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.data</groupId>
                <artifactId>spring-data-redis</artifactId>
                <version>1.7.2.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.freemarker</groupId>
                <artifactId>freemarker</artifactId>
                <version>${freemarker.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.activemq</groupId>
                <artifactId>activemq-all</artifactId>
                <version>${activemq.version}</version>
            </dependency>
            <!-- 身份验证 -->
            <dependency>
                <groupId>org.springframework.security</groupId>
                <artifactId>spring-security-web</artifactId>
                <version>4.1.0.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.security</groupId>
                <artifactId>spring-security-config</artifactId>
                <version>4.1.0.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.github.penggle</groupId>
                <artifactId>kaptcha</artifactId>
                <version>2.3.2</version>
                <exclusions>
                    <exclusion>
                        <groupId>javax.servlet</groupId>
                        <artifactId>javax.servlet-api</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
            <dependency>
                <groupId>org.springframework.security</groupId>
                <artifactId>spring-security-cas</artifactId>
                <version>4.1.0.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>org.jasig.cas.client</groupId>
                <artifactId>cas-client-core</artifactId>
                <version>3.3.3</version>
                <!-- 排除log4j包冲突 -->
                <exclusions>
                    <exclusion>
                        <groupId>org.slf4j</groupId>
                        <artifactId>log4j-over-slf4j</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
            <!-- solr客户端 -->
            <dependency>
                <groupId>org.apache.solr</groupId>
                <artifactId>solr-solrj</artifactId>
                <version>${solrj.version}</version>
            </dependency>
            <dependency>
                <groupId>com.janeluo</groupId>
                <artifactId>ikanalyzer</artifactId>
                <version>${ik.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.httpcomponents</groupId>
                <artifactId>httpcore</artifactId>
                <version>4.4.4</version>
            </dependency>
            <dependency>
                <groupId>org.apache.httpcomponents</groupId>
                <artifactId>httpclient</artifactId>
                <version>4.5.3</version>
            </dependency>
            <dependency>
                <groupId>dom4j</groupId>
                <artifactId>dom4j</artifactId>
                <version>1.6.1</version>
            </dependency>
            <dependency>
                <groupId>xml-apis</groupId>
                <artifactId>xml-apis</artifactId>
                <version>1.4.01</version>
            </dependency>
        </dependencies>
    
        <build>
            <finalName>${project.artifactId}</finalName>
    
            <pluginManagement>
                <plugins>
                    <plugin>
                        <artifactId>maven-clean-plugin</artifactId>
                        <version>3.1.0</version>
                    </plugin>
                    <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
                    <plugin>
                        <artifactId>maven-resources-plugin</artifactId>
                        <version>3.0.2</version>
                    </plugin>
                    <plugin>
                        <artifactId>maven-compiler-plugin</artifactId>
                        <version>3.8.0</version>
                    </plugin>
                    <plugin>
                        <artifactId>maven-surefire-plugin</artifactId>
                        <version>2.22.1</version>
                    </plugin>
                    <plugin>
                        <artifactId>maven-war-plugin</artifactId>
                        <version>3.2.2</version>
                    </plugin>
                    <plugin>
                        <artifactId>maven-install-plugin</artifactId>
                        <version>2.5.2</version>
                    </plugin>
                    <plugin>
                        <artifactId>maven-deploy-plugin</artifactId>
                        <version>2.8.2</version>
                    </plugin>
                </plugins>
            </pluginManagement>
    
    
            <resources>
                <resource>
                    <directory>src/main/java</directory>
                    <includes>
                        <include>**/*.properties</include>
                        <include>**/*.xml</include>
                    </includes>
                </resource>
                <resource>
                    <directory>src/main/resources</directory>
                    <includes>
                        <include>**/*.properties</include>
                        <include>**/*.xml</include>
                    </includes>
                </resource>
            </resources>
        </build>
    
    </project>

      4. 先点击library,然后点击File-->new-->module,建立maven web工程:dubboxDemo-Service (服务提供者),并继承父工程

      5. pom.xml

    <?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>parent</artifactId>
            <groupId>com.zgh</groupId>
            <version>1.0-SNAPSHOT</version>
            <relativePath>../parent/pom.xml</relativePath>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>dubboxDemo-Service</artifactId>
        <packaging>war</packaging>
    
        <name>dubboxDemo-Service Maven Webapp</name>
        <!-- FIXME change it to the project's website -->
        <url>http://www.example.com</url>
    
        <build>
            <finalName>${artifactId}</finalName>
            <plugins>
                <!-- 配置Tomcat插件 -->
                <plugin>
                    <groupId>org.apache.tomcat.maven</groupId>
                    <artifactId>tomcat7-maven-plugin</artifactId>
                    <version>2.2</version>
                    <configuration>
                        <!--服务启动端口从9000开始-->
                        <port>9000</port>
                        <!--发布路径,发布到Tomcat的根目录,不用写项目(虚拟路径)名访问-->
                        <path>/</path>
                        <uriEncoding>UTF-8</uriEncoding>
                        <!--插件里显示的名称-->
                        <server>tomcat7</server>
                    </configuration>
                </plugin>
            </plugins>
        </build>
    </project>

      6. 同理建立工程:dubboxDemo-web (服务消费者)

    <?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>parent</artifactId>
            <groupId>com.zgh</groupId>
            <version>1.0-SNAPSHOT</version>
            <relativePath>../parent/pom.xml</relativePath>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>dubboxDemo-web</artifactId>
        <packaging>war</packaging>
    
        <name>dubboxDemo-web Maven Webapp</name>
        <!-- FIXME change it to the project's website -->
        <url>http://www.example.com</url>
    
        <build>
            <finalName>${artifactId}</finalName>
            <plugins>
                <!-- 配置Tomcat插件 -->
                <plugin>
                    <groupId>org.apache.tomcat.maven</groupId>
                    <artifactId>tomcat7-maven-plugin</artifactId>
                    <version>2.2</version>
                    <configuration>
                        <!--服务启动端口从9000开始-->
                        <port>9001</port>
                        <!--发布路径,发布到Tomcat的根目录,不用写项目(虚拟路径)名访问-->
                        <path>/</path>
                        <uriEncoding>UTF-8</uriEncoding>
                        <!--插件里显示的名称-->
                        <server>tomcat7</server>
                    </configuration>
                </plugin>
            </plugins>
        </build>
    </project>

     四。配置dubboxDemo-Service

      1. dubboxDemo-Service 工程新建接口: UserService

    package com.dubboxDemo.service;
    
    public interface UserService {
        public String getName();
    }

      2. 实现这个接口

    package com.dubboxDemo.service.impl;
    
    import com.alibaba.dubbo.config.annotation.Service;
    import com.dubboxDemo.service.UserService;
    
    @Service
    public class UserServiceImpl implements UserService {
        @Override
        public String getName() {
            return "我的 dubboDemo";
        }
    }

      3. 配置applicationContext-service.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">
    
        <!--服务名称,可修改,默认为工程名-->
        <dubbo:application name="dubboxdemo-service"/>
        <!--注册地址-->
        <dubbo:registry address="zookeeper://10.20.0.129:2181"/>
        <!--实现接口的包名称-->
        <dubbo:annotation package="com.dubboxDemo.service.impl"/>
        <!--<dubbo:protocol name="dubbo" host="192.168.1.4" port="20883" />-->
    </beans>

      4. 配置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>
      <display-name>Archetype Created Web Application</display-name>
    
      <!-- 加载spring容器 -->
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <!--配置路径-->
        <param-value>classpath:applicationContext*.xml</param-value>
      </context-param>
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
    </web-app>

    五。配置dubboxDemo-web

      1. 把工程dubboxDemo-Service里的接口 UserService 复制下来,包路径要两者一样

      2. 实现控制器

    package com.dubboxDemo.controller;
    
    import com.alibaba.dubbo.config.annotation.Reference;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    import com.dubboxDemo.service.UserService;
    
    @Controller
    @RequestMapping("/user")
    public class UserController {
        @Reference
        private UserService userService;
        @RequestMapping("/showName")
        @ResponseBody
        public String showName(){
            return userService.getName();
        }
    }

      3. 配置applicationContext-web.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:mvc="http://www.springframework.org/schema/mvc"
           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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">
    
        <!--mvc 转换器-->
        <mvc:annotation-driven >
            <mvc:message-converters register-defaults="false">
                <!--转换成字符串-->
                <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                    <constructor-arg value="UTF-8" />
                </bean>
            </mvc:message-converters>
        </mvc:annotation-driven>
    
        <!-- 引用dubbo 服务 -->
        <dubbo:application name="dubboxdemo-web" />
        <!--注册地址-->
        <dubbo:registry address="zookeeper://10.20.0.129:2181"/>
        <!--调用服务的包路径-->
        <dubbo:annotation package="com.dubboxDemo.controller"/>
    </beans>

      4. 配置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>
      <display-name>Archetype Created Web Application</display-name>
    
      <!-- 解决post乱码 -->
      <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>
      <!--符合url的才会处理乱码-->
      <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>
    
      <!--所有请求由SpringMVC管理,即交给DispatcherServlet-->
      <servlet>
      <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
      <init-param>
        <param-name>contextConfigLocation</param-name>
        <!--springMVC 配置文件-->
        <param-value>classpath:applicationContext-web.xml</param-value>
      </init-param>
      </servlet>
    
      <!--符合url的才会转交-->
      <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>*.do</url-pattern>
      </servlet-mapping>
    </web-app>

    六。测试

      1. 运行dubboxDemo-Service(服务提供者)

      2. dubbo-admin查看,服务提供者的信息(ip地址和端口(默认20880)等)存储到了zookeepe

     

      3. 同理启动dubboxDemo-web(服务消费者),然后浏览器输入:http://localhost:9001/user/showName.do ,服务消费者会去注册中心zookeepe拿到服务提供者的ip地址和端口(默认20880),然后到该地址和端口调用

      4. dubbo-admin查看,已经被消费了

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  • 原文地址:https://www.cnblogs.com/GH-123/p/10385426.html
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