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Idea多模块工程创建——继承、聚合

一、工程介绍

淘淘网上商城是一个综合性的B2C平台，类似京东商城、天猫商城。会员可以在商城浏览商品、下订单，以及参加各种活动。
管理员、运营可以在平台后台管理系统中管理商品、订单、会员等。
客服可以在后台管理系统中处理用户的询问以及投诉。

具体实现：

Idea多模块工程创建——继承、聚合-LMLPHP

二、工程目录

Idea多模块工程创建——继承、聚合-LMLPHP

taotao-parent（父工程管理jar包的版本）

   |-taotao-common（把通用的工具类打包）

   |-taotao-manager（继承父工程）

      |-taotao-manager-pojo

      |-taotao-manager-dao

      |-taotao-manager-service

      |-taotao-manager-web（war包）

taotao-parent 为项目的父工程，用来管理jar包及版本

taotao-common为通用工程，继承父工程，就是把通用的工具类打包

taotao-manager为开发工程，同样继承父工程

其中，taotao-manager-pojo，taotao-manager-dao，taotao-manager-service和

taotao-manager-web均为开发工程的一个子模块，依赖于开发工程taotao-manager

前3个子模块打成jar包，taotao-manager-web打成war包

三、创建工程

1. 创建taotao-parent父类工程，后面所有的工程全部继承该工程
File → New → Project

Idea多模块工程创建——继承、聚合-LMLPHP

Maven → Next

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

创建完后，删除生成的src目录，修改打包方式为pom，taotao-parent:pom.xml

maven中有3种工程：

    1、pom工程：用在父级或聚合工程中，用来做jar包的版本控制。

    2、war工程：会打包成war，发布在服务器上。如网站或服务。

    3、jar工程：打包成jar用作jar包使用。
 <?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>

     <!--功能：父工程，打包方式为pom，管理jar包的版本号。项目中的所有工程都应该继承父工程-->

     <!--包含项目中用到的所有jar包版本-->

     <groupId>com.taotao</groupId>

     <artifactId>taotao-parent</artifactId>

     <packaging>pom</packaging>

     <version>1.0-SNAPSHOT</version>

     <!--里面的module自动生成，当下面工程比如taotao-commom手动删除时，module不会自动就删除，还得手动删除-->

     <modules>

         <module>../taotao-common</module>

         <module>../taotao-manager</module>

     </modules>

     <!-- 集中定义依赖版本号 -->

     <properties>

         <junit.version>4.12</junit.version>

         <spring.version>4.1.3.RELEASE</spring.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>

         <slf4j.version>1.6.6</slf4j.version>

         <jackson.version>2.4.2</jackson.version>

         <druid.version>1.0.9</druid.version>

         <httpclient.version>4.3.5</httpclient.version>

         <jstl.version>1.2</jstl.version>

         <servlet-api.version>2.5</servlet-api.version>

         <jsp-api.version>2.0</jsp-api.version>

         <joda-time.version>2.5</joda-time.version>

         <commons-lang3.version>3.3.2</commons-lang3.version>

         <commons-io.version>1.3.2</commons-io.version>

         <commons-net.version>3.3</commons-net.version>

         <pagehelper.version>3.4.2</pagehelper.version>

         <jsqlparser.version>0.9.1</jsqlparser.version>

         <commons-fileupload.version>1.3.1</commons-fileupload.version>

         <jedis.version>2.7.2</jedis.version>

         <solrj.version>4.10.3</solrj.version>

         <freemarker.version>2.3.23</freemarker.version>

         <quartz.version>2.2.2</quartz.version>

     </properties>

     <dependencyManagement>

         <dependencies>

             <!-- 时间操作组件 -->

             <dependency>

                 <groupId>joda-time</groupId>

                 <artifactId>joda-time</artifactId>

                 <version>${joda-time.version}</version>

             </dependency>

             <!-- Apache工具组件 -->

             <dependency>

                 <groupId>org.apache.commons</groupId>

                 <artifactId>commons-lang3</artifactId>

                 <version>${commons-lang3.version}</version>

             </dependency>

             <dependency>

                 <groupId>org.apache.commons</groupId>

                 <artifactId>commons-io</artifactId>

                 <version>${commons-io.version}</version>

             </dependency>

             <dependency>

                 <groupId>commons-net</groupId>

                 <artifactId>commons-net</artifactId>

                 <version>${commons-net.version}</version>

             </dependency>

             <!-- Jackson Json处理工具包 -->

             <dependency>

                 <groupId>com.fasterxml.jackson.core</groupId>

                 <artifactId>jackson-databind</artifactId>

                 <version>${jackson.version}</version>

             </dependency>

             <!-- httpclient -->

             <dependency>

                 <groupId>org.apache.httpcomponents</groupId>

                 <artifactId>httpclient</artifactId>

                 <version>${httpclient.version}</version>

             </dependency>

             <!-- 单元测试 -->

             <dependency>

                 <groupId>junit</groupId>

                 <artifactId>junit</artifactId>

                 <version>${junit.version}</version>

                 <scope>test</scope>

             </dependency>

             <!-- 日志处理 -->

             <dependency>

                 <groupId>org.slf4j</groupId>

                 <artifactId>slf4j-log4j12</artifactId>

                 <version>${slf4j.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>com.github.pagehelper</groupId>

                 <artifactId>pagehelper</artifactId>

                 <version>${pagehelper.version}</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>

             <!-- 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-context-support</artifactId>

                 <version>${spring.version}</version>

             </dependency>

             <!-- JSP相关 -->

             <dependency>

                 <groupId>jstl</groupId>

                 <artifactId>jstl</artifactId>

                 <version>${jstl.version}</version>

             </dependency>

             <dependency>

                 <groupId>javax.servlet</groupId>

                 <artifactId>servlet-api</artifactId>

                 <version>${servlet-api.version}</version>

                 <scope>provided</scope>

             </dependency>

             <dependency>

                 <groupId>javax.servlet</groupId>

                 <artifactId>jsp-api</artifactId>

                 <version>${jsp-api.version}</version>

                 <scope>provided</scope>

             </dependency>

             <!-- 文件上传组件 -->

             <dependency>

                 <groupId>commons-fileupload</groupId>

                 <artifactId>commons-fileupload</artifactId>

                 <version>${commons-fileupload.version}</version>

             </dependency>

             <!-- Redis客户端 -->

             <dependency>

                 <groupId>redis.clients</groupId>

                 <artifactId>jedis</artifactId>

                 <version>${jedis.version}</version>

             </dependency>

             <!-- solr客户端 -->

             <dependency>

                 <groupId>org.apache.solr</groupId>

                 <artifactId>solr-solrj</artifactId>

                 <version>${solrj.version}</version>

             </dependency>

             <dependency>

                 <groupId>org.freemarker</groupId>

                 <artifactId>freemarker</artifactId>

                 <version>${freemarker.version}</version>

             </dependency>

             <!-- quartz任务调度框架 -->

             <dependency>

                 <groupId>org.quartz-scheduler</groupId>

                 <artifactId>quartz</artifactId>

                 <version>${quartz.version}</version>

             </dependency>

         </dependencies>

     </dependencyManagement>

     <build>

         <finalName>${project.artifactId}</finalName>

         <resources>

             <resource>

                 <directory>src/main/java</directory>

                 <includes>

                     <include>**/*.xml</include>

                 </includes>

                 <filtering>true</filtering>

             </resource>

             <resource>

                 <directory>src/main/resources</directory>

             </resource>

         </resources>

         <plugins>

             <!-- 资源文件拷贝插件 -->

             <plugin>

                 <groupId>org.apache.maven.plugins</groupId>

                 <artifactId>maven-resources-plugin</artifactId>

                 <version>2.7</version>

                 <configuration>

                     <encoding>UTF-8</encoding>

                 </configuration>

             </plugin>

             <!-- java编译插件 -->

             <plugin>

                 <groupId>org.apache.maven.plugins</groupId>

                 <artifactId>maven-compiler-plugin</artifactId>

                 <version>3.7.0</version>

                 <configuration>

                     <source>1.8</source>

                     <target>1.8</target>

                     <encoding>UTF-8</encoding>

                 </configuration>

             </plugin>

         </plugins>

         <pluginManagement>

             <plugins>

                 <!-- 配置Tomcat插件 -->

                 <plugin>

                     <groupId>org.apache.tomcat.maven</groupId>

                     <artifactId>tomcat7-maven-plugin</artifactId>

                     <version>2.2</version>

                 </plugin>

             </plugins>

         </pluginManagement>

     </build>

 </project>

2. 创建通用工程taotao-common，继承父工程，保存的是通用的工具类及pojo，打包方式jar包
在taotao-parent文件上右击创建新的model，和创建maven类似不需要勾选信息，taotao-parent→ New → Module

注意：因为common 与 parent 只有继承、但没有聚合的关系，所以在新建common项目的时候 Add as module to 要设置为 null。manager同理。

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

然后会出现如下如下界面：

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

修改打包方式为jar，taotao-common: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>taotao-parent</artifactId>

         <groupId>com.taotao</groupId>

         <version>1.0-SNAPSHOT</version>

         <relativePath>../taotao-parent/pom.xml</relativePath>

     </parent>

     <modelVersion>4.0.0</modelVersion>

     <!--功能：通用的工具类，通用的pojo 打包方式jar-->

     <!--继承parent工程-->

     <artifactId>taotao-common</artifactId>

     <dependencies>

         <!--====================添加工具类包的依赖=======================-->

         <!-- 时间操作组件 -->

         <dependency>

             <groupId>joda-time</groupId>

             <artifactId>joda-time</artifactId>

         </dependency>

         <!-- Apache工具组件 -->

         <dependency>

             <groupId>org.apache.commons</groupId>

             <artifactId>commons-lang3</artifactId>

         </dependency>

         <dependency>

             <groupId>org.apache.commons</groupId>

             <artifactId>commons-io</artifactId>

         </dependency>

         <dependency>

             <groupId>commons-net</groupId>

             <artifactId>commons-net</artifactId>

         </dependency>

         <!-- Jackson Json处理工具包 -->

         <dependency>

             <groupId>com.fasterxml.jackson.core</groupId>

             <artifactId>jackson-databind</artifactId>

         </dependency>

         <!-- httpclient -->

         <dependency>

             <groupId>org.apache.httpcomponents</groupId>

             <artifactId>httpclient</artifactId>

         </dependency>

         <!-- 单元测试 -->

         <dependency>

             <groupId>junit</groupId>

             <artifactId>junit</artifactId>

         </dependency>

         <!-- 日志处理 -->

         <dependency>

             <groupId>org.slf4j</groupId>

             <artifactId>slf4j-log4j12</artifactId>

         </dependency>

     </dependencies>

 </project>

3. 创建taotao-manager聚合工程，打包方式pom，里面有一堆模块。创建工程类似taotao-common的过程，在taotao-parent文件上右击创建新的model，和创建maven类似不需要勾选信息：taotao-parent→ New → Module → Next → taotao-manager

taotao-manager：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>taotao-parent</artifactId>

         <groupId>com.taotao</groupId>

         <version>1.0-SNAPSHOT</version>

         <relativePath>../taotao-parent/pom.xml</relativePath>

     </parent>

     <modelVersion>4.0.0</modelVersion>

     <artifactId>taotao-manager</artifactId>

     <packaging>pom</packaging>

     <modules>

         <module>taotao-manager-pojo</module>

         <module>taotao-manager-dao</module>

         <module>taotao-manager-service</module>

         <module>taotao-manager-web</module>

     </modules>

     <dependencies>

         <!--工程之间的依赖 manager依赖common-->

         <dependency>

             <groupId>com.taotao</groupId>

             <artifactId>taotao-common</artifactId>

             <version>1.0-SNAPSHOT</version>

         </dependency>

     </dependencies>

     <build>

         <!--配置插件-->

         <plugins>

             <plugin>

                 <groupId>org.apache.tomcat.maven</groupId>

                 <artifactId>tomcat7-maven-plugin</artifactId>

                 <configuration>

                     <port>8086</port>

                     <path>/</path>

                 </configuration>

             </plugin>

         </plugins>

     </build>

 </project>

3.1 添加模块，打包方式都为jar，taotao-manager-pojo，taotao-manager-dao，taotao-manager-service创建方式一样

taotao-manager-pojo

在taotao-manager上右键New → Module → Next → taotao-manager-pojo，过程类似mall-common的创建但是路径选择需要重写填写，如下图：

Idea多模块工程创建——继承、聚合-LMLPHP

taotao-manager-pojo:pom.xml pojo不需要依赖其它jar包

 <?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>taotao-manager</artifactId>

         <groupId>com.taotao</groupId>

         <version>1.0-SNAPSHOT</version>

     </parent>

     <modelVersion>4.0.0</modelVersion>

     <artifactId>taotao-manager-pojo</artifactId>

 </project>

taotao-manager-dao:pom.xml dao的运行需要Mybatis等的支持，所以要添加依赖

 <?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">

     <parent>

         <artifactId>taotao-manager</artifactId>

         <groupId>com.taotao</groupId>

         <version>1.0-SNAPSHOT</version>

     </parent>

     <modelVersion>4.0.0</modelVersion>

     <artifactId>taotao-manager-dao</artifactId>

     <dependencies>

         <!--依赖pojo-->

         <dependency>

             <artifactId>taotao-manager-pojo</artifactId>

             <groupId>com.taotao</groupId>

             <version>1.0-SNAPSHOT</version>

         </dependency>

         <!--====================添加mybatis等数据库相关依赖===========================-->

         <dependency>

             <groupId>org.mybatis</groupId>

             <artifactId>mybatis</artifactId>

         </dependency>

         <dependency>

             <groupId>org.mybatis</groupId>

             <artifactId>mybatis-spring</artifactId>

         </dependency>

         <dependency>

             <groupId>com.github.miemiedev</groupId>

             <artifactId>mybatis-paginator</artifactId>

         </dependency>

         <dependency>

             <groupId>com.github.pagehelper</groupId>

             <artifactId>pagehelper</artifactId>

         </dependency>

         <!-- MySql -->

         <dependency>

             <groupId>mysql</groupId>

             <artifactId>mysql-connector-java</artifactId>

         </dependency>

         <!-- 连接池 -->

         <dependency>

             <groupId>com.alibaba</groupId>

             <artifactId>druid</artifactId>

         </dependency>

     </dependencies>

 </project>

taotao-manager-service: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>taotao-manager</artifactId>

         <groupId>com.taotao</groupId>

         <version>1.0-SNAPSHOT</version>

     </parent>

     <modelVersion>4.0.0</modelVersion>

     <artifactId>taotao-manager-service</artifactId>

     <dependencies>

         <!--依赖dao-->

         <dependency>

             <artifactId>taotao-manager-dao</artifactId>

             <groupId>com.taotao</groupId>

             <version>1.0-SNAPSHOT</version>

         </dependency>

         <!--加载spring-->

         <dependency>

             <groupId>org.springframework</groupId>

             <artifactId>spring-context</artifactId>

         </dependency>

         <dependency>

             <groupId>org.springframework</groupId>

             <artifactId>spring-beans</artifactId>

         </dependency>

         <dependency>

             <groupId>org.springframework</groupId>

             <artifactId>spring-webmvc</artifactId>

         </dependency>

         <dependency>

             <groupId>org.springframework</groupId>

             <artifactId>spring-jdbc</artifactId>

         </dependency>

         <dependency>

             <groupId>org.springframework</groupId>

             <artifactId>spring-aspects</artifactId>

         </dependency>

         <dependency>

             <groupId>org.springframework</groupId>

             <artifactId>spring-context-support</artifactId>

         </dependency>

     </dependencies>

 </project>

3.2 添加模块taotao-manager-web表现层，打包方式为war，同样taotao-manager上右键New → Module → Next，如下图所示，
只不过这里选择webapp这项不同，点next下一步

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

pom.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/maven-v4_0_0.xsd">

     <parent>

         <artifactId>taotao-manager</artifactId>

         <groupId>com.taotao</groupId>

         <version>1.0-SNAPSHOT</version>

     </parent>

     <modelVersion>4.0.0</modelVersion>

     <artifactId>taotao-manager-web</artifactId>

     <packaging>war</packaging>

     <name>taotao-manager-web Maven Webapp</name>

     <url>http://maven.apache.org</url>

     <!--添加依赖-->

     <dependencies>

         <dependency>

             <groupId>com.taotao</groupId>

             <artifactId>taotao-manager-service</artifactId>

             <version>1.0-SNAPSHOT</version>

         </dependency>

         <!-- JSP相关 -->

         <dependency>

             <groupId>jstl</groupId>

             <artifactId>jstl</artifactId>

         </dependency>

         <dependency>

             <groupId>javax.servlet</groupId>

             <artifactId>servlet-api</artifactId>

             <scope>provided</scope>

         </dependency>

         <dependency>

             <groupId>javax.servlet</groupId>

             <artifactId>jsp-api</artifactId>

             <scope>provided</scope>

         </dependency>

         <!-- 文件上传组件 -->

         <dependency>

             <groupId>commons-fileupload</groupId>

             <artifactId>commons-fileupload</artifactId>

         </dependency>

     </dependencies>

     <build>

         <finalName>taotao-manager-web</finalName>

     </build>

 </project>

4. 右上角Edit Configurations

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

需要把taotao-parent、taotao-common等需要安装的都安装到本地仓库,然后点击下图中的绿色小三角就OK了。

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

Idea多模块工程创建——继承、聚合-LMLPHP

参考：https://www.jianshu.com/p/616d193ccfed

下篇：taotao-整合SSM框架

04-15 18:06
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