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终于有时间搞java了，今天使用IDEA基于maven搭建了多模块聚合工程，经过了多番尝试，终于成功啦！
注意：这里是在原作者的基础上改进的版本，原作者的版本的pom依赖存在问题，所以，这里的依赖全部是我自己的依赖，图片按照这个来完全没有问题！
一.工程目录
下面是搭建之后的目录
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先看一下目录关系
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
二.创建工程
1.先创建一个空工程，步骤如下：
File——>new——>project
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选择Empty——>next
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填写工程名称和位置，点击finnish，完成了空工程的创建
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2.创建父工程 taotao-parent，步骤如下：
File——>New——>Module
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点maven，勾选archetype，选quickstart这项，然后Next下一步
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填写GroupId，一般为组织名称；填写ArtifactId，为项目名称
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选择本地maven目录及maven配置文件
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填写项目名称及位置，点Finish，父工程创建完成
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等待生成pom文件，修改打包方式为pom，pom文件为：
<projectxmlns="/POM/4.0.0"xmlns:xsi="/2001/XMLSchema-instance"xsi:schemaLocation="/POM/4.0.0/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.chinapost</groupId><artifactId>post-parent</artifactId><version>1.0-SNAPSHOT</version><packaging>pom</packaging><!--集中定义依赖版本号--><properties><junit.version>4.10</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>1.6.4</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></properties><dependencyManagement><dependencies><!--单元测试--><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>${junit.version}</version><scope>test</scope></dependency><!--Spring--><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>${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><!--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><!--分页助手--><dependency><groupId>com.github.pagehelper</groupId><artifactId>pagehelper</artifactId><version>3.7.5</version></dependency><dependency><groupId>com.github.jsqlparser</groupId><artifactId>jsqlparser</artifactId><version>0.9.1</version></dependency><!--通用Mapper--><dependency><groupId>com.github.abel533</groupId><artifactId>mapper</artifactId><version>2.3.4</version></dependency><!--MySql--><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>${mysql.version}</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>${slf4j.version}</version></dependency><!--JacksonJson处理工具包--><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>${jackson.version}</version></dependency><!--连接池--><dependency><groupId>com.jolbox</groupId><artifactId>bonecp-spring</artifactId><version>0.8.0.RELEASE</version></dependency><!--httpclient--><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>${httpclient.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>${jsp-api.version}</version><scope>provided</scope></dependency><!--时间操作组件--><dependency><groupId>joda-time</groupId><artifactId>joda-time</artifactId><version>${joda-time.version}</version></dependency><!--Apache工具组件--><dependency><groupId>mons</groupId><artifactId>commons-lang3</artifactId><version>${commons-lang3.version}</version></dependency><dependency><groupId>mons</groupId><artifactId>commons-io</artifactId><version>${commons-io.version}</version></dependency></dependencies></dependencyManagement><build><finalName>${project.artifactId}</finalName><plugins><!--资源文件拷贝插件--><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-resources-plugin</artifactId><version>2.7</version><configuration><encoding>UTF-8</encoding></configuration></plugin><!--java编译插件--><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.2</version><configuration><source>1.7</source><target>1.7</target><encoding>UTF-8</encoding></configuration></plugin></plugins><pluginManagement><plugins><!--配置Tomcat插件--><plugin><groupId>org.apache.tomcat.maven</groupId><artifactId>tomcat7-maven-plugin</artifactId><version>2.2</version></plugin></plugins></pluginManagement></build></project>
3.创建通用工程taotao-common
File——>New——>Module
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点maven后直接next下一步
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继承taotao-parent,填写ArtifactId,然后next下一步
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填写通用模块名称，点finish，通用模块创建完成
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开发模块taotao-manager与通用模块创建方式一致
taotao-common的pom.xml
<projectxmlns="/POM/4.0.0"xmlns:xsi="/2001/XMLSchema-instance"xsi:schemaLocation="/POM/4.0.0/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>com.chinapost</groupId><artifactId>post-parent</artifactId><version>1.0-SNAPSHOT</version></parent><groupId>com.chinapost</groupId><artifactId>post-common</artifactId><version>1.0-SNAPSHOT</version><packaging>jar</packaging><dependencies><!--JacksonJson处理工具包--><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>${jackson.version}</version></dependency><!--时间操作组件--><dependency><groupId>joda-time</groupId><artifactId>joda-time</artifactId><version>${joda-time.version}</version></dependency><!--Apache工具组件--><dependency><groupId>mons</groupId><artifactId>commons-lang3</artifactId><version>${commons-lang3.version}</version></dependency></dependencies></project>
taotao-manager的pom.xml
<projectxmlns="/POM/4.0.0"xmlns:xsi="/2001/XMLSchema-instance"xsi:schemaLocation="/POM/4.0.0/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>com.chinapost</groupId><artifactId>post-parent</artifactId><version>1.0-SNAPSHOT</version></parent><groupId>com.chinapost</groupId><artifactId>post-manager</artifactId><version>1.0-SNAPSHOT</version><packaging>pom</packaging><dependencies><dependency><groupId>com.chinapost</groupId><artifactId>post-common</artifactId><version>1.0-SNAPSHOT</version></dependency><!--单元测试--><dependency><groupId>junit</groupId><artifactId>junit</artifactId><scope>test</scope></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId></dependency><!--Apache工具组件--><dependency><groupId>mons</groupId><artifactId>commons-lang3</artifactId><version>${commons-lang3.version}</version></dependency><dependency><groupId>mons</groupId><artifactId>commons-io</artifactId><version>${commons-io.version}</version></dependency></dependencies><build><plugins><!--配置Tomcat插件--><plugin><groupId>org.apache.tomcat.maven</groupId><artifactId>tomcat7-maven-plugin</artifactId><configuration><port>8999</port><path>/</path></configuration></plugin></plugins></build><modules><module>post-manager-pojo</module><module>post-manager-dao</module><module>post-manager-service</module><module>post-manager-web</module></modules></project>
4.创建开发模块下的子模块，分两类介绍，taotao-manager-pojo，taotao-manager-dao，taotao-manager-service创建方式一样，taotao-manager-web的创建有点差别
1）以taotao-manager-pojo为例
File——>new——>module
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选maven——>勾选archetype——>选quickstart这项——>点next
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继承taotao-manager，填写ArtifactId
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这里注意改写路径，点finish，一个子模块创建完成
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taotao-manager-pojo的pom.xml
<projectxmlns="/POM/4.0.0"xmlns:xsi="/2001/XMLSchema-instance"xsi:schemaLocation="/POM/4.0.0/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>com.chinapost</groupId><artifactId>post-manager</artifactId><version>1.0-SNAPSHOT</version></parent><groupId>com.chinapost</groupId><artifactId>post-manager-pojo</artifactId><version>1.0-SNAPSHOT</version><packaging>jar</packaging><dependencies><dependency><groupId>com.chinapost</groupId><artifactId>post-common</artifactId><version>1.0-SNAPSHOT</version></dependency><dependency><groupId>javax.persistence</groupId><artifactId>persistence-api</artifactId><version>1.0</version></dependency></dependencies></project>
taotao-manager-dao的pom.xml
<projectxmlns="/POM/4.0.0"xmlns:xsi="/2001/XMLSchema-instance"xsi:schemaLocation="/POM/4.0.0/xsd/maven-4.0.0.xsd"><parent><artifactId>post-manager</artifactId><groupId>com.chinapost</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>post-manager-dao</artifactId><packaging>jar</packaging><name>post-manager-dao</name><url></url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>com.chinapost</groupId><artifactId>post-manager-pojo</artifactId><version>1.0-SNAPSHOT</version></dependency><!--Mybatis--><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId></dependency><!--通用Mapper--><dependency><groupId>com.github.abel533</groupId><artifactId>mapper</artifactId></dependency></dependencies></project>
taotao-manager-service的pom.xml
<projectxmlns="/POM/4.0.0"xmlns:xsi="/2001/XMLSchema-instance"xsi:schemaLocation="/POM/4.0.0/xsd/maven-4.0.0.xsd"><parent><artifactId>post-manager</artifactId><groupId>com.chinapost</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>post-manager-service</artifactId><packaging>jar</packaging><name>post-manager-service</name><url></url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>com.chinapost</groupId><artifactId>post-manager-dao</artifactId><version>1.0-SNAPSHOT</version></dependency><!--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><!--分页助手--><dependency><groupId>com.github.pagehelper</groupId><artifactId>pagehelper</artifactId></dependency><dependency><groupId>com.github.jsqlparser</groupId><artifactId>jsqlparser</artifactId></dependency></dependencies></project>
2）taotao-manager-web创建
同样File——>New——>Module
只不过这里选择webapp这项（唯一不同的地方，其他地方类似），点next下一步
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同样继承taotao-manager
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同样需要改写路径，点击finish，taotao-manager-web子模块创建完成
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taotao-manager-web的pom.xml
<projectxmlns="/POM/4.0.0"xmlns:xsi="/2001/XMLSchema-instance"xsi:schemaLocation="/POM/4.0.0/maven-v4_0_0.xsd"><parent><artifactId>post-manager</artifactId><groupId>com.chinapost</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>post-manager-web</artifactId><packaging>war</packaging><name>post-manager-web</name><url></url><!--添加依赖--><dependencies><dependency><groupId>com.chinapost</groupId><artifactId>post-manager-service</artifactId><version>1.0-SNAPSHOT</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.1</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-aspects</artifactId></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId></dependency><!--MySql--><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId></dependency><!--JacksonJson处理工具包--><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId></dependency><!--连接池--><dependency><groupId>com.jolbox</groupId><artifactId>bonecp-spring</artifactId></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><!--时间操作组件--><dependency><groupId>joda-time</groupId><artifactId>joda-time</artifactId></dependency></dependencies><build><finalName>post-manger-web</finalName></build></project>
5.接下来运行工程使用：tomcat7:run
右上角Edit Configurations
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选maven
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需要把taotao-parent等需要安装的都安装到本地仓库。
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最后运行，如下图所示，就说明跑通了！
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总结：
之前看别人的博客，有选择portlet项，自己弄死活跑不通。
taotao-parent,taotao-manager-pojo,taotao-manager-dao,taotao-manager-service选择quickstart那项；
taotao-common，taotao-manager啥都不选；
taotao-manager-web选择webapp那项。
还要注意打包方式，jar，pom，war
