IDEA maven3 构建多模块项目

  • 创建父项目common-parent
    • File>>New>>Project>>Empty Project>>填写项目名称和项目路径>>Finish
    • File>>New>>Module>>选择maven>>Create from archetype>>maven-archetype-quickstart>>Next>>GroupId>>ArtifactId>>Next>>Maven home dictory>>User setting file>>Override>>Next>>Module name[common-parent]>>Content root>>Next>>等待生成pom文件
    • 修改pom.xml文件
    <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>co.mico</groupId>
  <artifactId>common-parent</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>pom</packaging><!--修改打包方式-->

  <name>common-parent</name>
  <url>http://maven.apache.org</url>

  <!--集中定义依赖版本号-->
  <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
      <junit.version>4.12</junit.version>
      ...(省略)
  </properties>

  <dependencyManagement>
      <dependencies>
          <!-- 时间操作组件 -->
          <dependency>
              <groupId>joda-time</groupId>
              <artifactId>joda-time</artifactId>
              <version>${joda-time.version}</version>
          </dependency>
         ...(省略)
  </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>3.5.1</version>
              <configuration>
                  <source>1.8</source>
                  <target>1.8</target>
                  <encoding>UTF-8</encoding>
              </configuration>
          </plugin>
      </plugins>
  </build>
</project>
  • 创建子项目公共工具类common-utils
    • 公共工具类是继承自父项目common-parent
    • File>>New>>Module>>选择maven>>Create from archetype>>maven-archetype-portlet>>Add as module to [这里选择none]>>Parent[这里是cn.william.common-parent] >>GroupId>>ArtifactId>>Next>>Maven home dictory>>User setting file>>Override>>Next>>Module name[common-utils]>>Content Root[注意修改目录结构，common-parent同级目录]>>Next>>等待生成pom文件
    • 修改pom文件,打包方式为jar
    <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>common-parent</artifactId>
      <groupId>cn.william</groupId>
      <version>1.0-SNAPSHOT</version>
      <relativePath>../common-parent/pom.xml</relativePath>
  </parent>
  <modelVersion>4.0.0</modelVersion>

  <artifactId>common-utils</artifactId>
  <packaging>jar</packaging><!-- 打成jar包 -->

  <name>common-utils</name>
  <url>http://maven.apache.org</url>

  <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <!-- jar包的依赖 -->
  <dependencies>
      <!-- 时间操作组件 -->
      <dependency>
          <groupId>joda-time</groupId>
          <artifactId>joda-time</artifactId>
      </dependency>
      ...(省略)
  </dependencies>

</project>
  • 创建子项目taotao-manager[开发项目]，与工具类的创建方式一致，打包方式为pom 
    <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>common-parent</artifactId>
      <groupId>cn.william</groupId>
      <version>1.0-SNAPSHOT</version>
      <relativePath>../common-parent/pom.xml</relativePath>
  </parent>
  <modelVersion>4.0.0</modelVersion>

  <artifactId>uncertain-manager</artifactId>
  <packaging>pom</packaging>

  <name>uncertain-manager</name>
  <url>http://maven.apache.org</url>
  <modules>
      <module>taotao-manager-pojo</module>
      <module>taotao-manager-mapper</module>
      <module>taotao-manager-service</module>
      <module>taotao-manager-web</module>
  </modules>

  <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <!-- 依赖管理 -->
  <dependencies>
      <dependency>
          <groupId>cn.william</groupId>
          <artifactId>common-utils</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>8080</port>
                  <path>/</path>
              </configuration>
          </plugin>
      </plugins>
  </build>


</project>
  • 创建开发项目的子项目taotao-manager-pojo
    • 选中ncertain-manager项目>>New>>>>选择maven>>Create from archetype>>maven-archetype-quickstart>>Add as module to [这里选择cn.william.uncertain-manager]>>Parent[这里是cn.william.uncertain-manager] >>GroupId>>ArtifactId>>Next>>Maven home dictory>>User setting file>>Override>>Next>>Module name[uncertain-manager-pojo]>>Content Root[注意修改目录结构，uncertain-manager下级目录]>>Next>>等待生成pom文件
    • 修改pom文件 
      <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>cn.william</groupId>
    <version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

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

<name>taotao-manager-pojo</name>
<url>http://maven.apache.org</url>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

</project>
  • 创建开发项目的子项目taotao-manager-mapper，创建方式与pojo项目一致，打包方式也为jar，但是mapper项目依赖pojo项目：
    • pom文件依赖配置 
      <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>cn.william</groupId>
    <version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<artifactId>taotao-manager-mapper</artifactId>
<packaging>jar</packaging>

<name>taotao-manager-mapper</name>
<url>http://maven.apache.org</url>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

<dependencies>
    <!-- 依赖与pojo子模块 -->
    <dependency>
        <groupId>cn.william</groupId>
        <artifactId>taotao-manager-pojo</artifactId>
        <version>1.0-SNAPSHOT</version>
    </dependency>
    <!-- Mybatis -->
    <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>
  • 创建开发项目的子项目taotao-manager-service，创建方式与pojo项目一致，打包方式也为jar，但是service项目依赖mapper项目：
    • pom文件
    <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>cn.william</groupId>
      <version>1.0-SNAPSHOT</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>

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

  <name>taotao-manager-service</name>
  <url>http://maven.apache.org</url>

  <properties>
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <dependencies>
      <!-- 依赖与mapper子模块 -->
      <dependency>
          <groupId>cn.william</groupId>
          <artifactId>taotao-manager-mapper</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>
      ...（省略）
  </dependencies>
</project>
  • 创建开发项目的子项目taotao-manager-web,创建方式与pojo项目一致，打包方式为war,archetype是maven-archetype-quickstart,web项目依赖service项目
    • pom文件配置
    <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>cn.william</groupId>
      <version>1.0-SNAPSHOT</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>taotao-manager-web</artifactId>
  <packaging>war</packaging><!--打成war包-->
  <name>taotao-manager-web Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
      <!-- 依赖于service -->
      <dependency>
          <groupId>cn.william</groupId>
          <artifactId>taotao-manager-service</artifactId>
          <version>1.0-SNAPSHOT</version>
      </dependency>
      ...（省略）
  </dependencies>
  <build>
      <finalName>taotao-manager-web</finalName>
  </build>
</project>
  • 运行
    • web项目下新建index.jsp
    • 确保taotao-manager的pom中配置了tomcat的插件
    <build>
  <!-- 配置插件 -->
  <plugins>
      <plugin>
          <groupId>org.apache.tomcat.maven</groupId>
          <artifactId>tomcat7-maven-plugin</artifactId>
          <configuration>
              <port>8080</port>
              <path>/</path>
          </configuration>
      </plugin>
  </plugins>
</build>
    • Run>>Edit Configurations>>Add New Configurations>>Maven>>Name[taotao-manager]>>Working directory[taotao-manger项目的目录]>>Command line[clean tomcat7:run]
    • Run之前先将所有模块安装一下
  • 图文原文：基于maven使用IDEA创建多模块项目
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