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Java实战开发(三)丨 Maven搭建多模块企业级项目

maven 多模块项目,适用于一些比较大的项目,通过合理的模块拆分,实现代码的复用,便于维护和管理。尤其是一些开源框架,也是采用多模块的方式,提供插件集成,用户可以根据需要配置指定的模块。

项目结构如下:

    test-hd-parent   (父级)

     —pom.xml

     —test-hd-api     (第三方接口层)

       —-pom.xml

      —test-hd-foundation (基础工具层)

       —-pom.xml

     —test-hd-resource  (资源层)

      —-pom.xml

     —test-hd-service    (逻辑业务层)

       —-pom.xml

      —test-hd-modules    (web层)

      —-pom.xml

          —test-hd-www      (web模块1)

         —-pom.xml

          —test-hd-admin      (web模块2)

         —- pom .xml     

创建一个父maven工程

  • 新建一个maven项目,选择存储位置,并选择创建一个简单的maven工程

  • 输入Group Id、Artifact Id、Packaging,packaging选择pom包

  • 生成父工程,pom.xml如下

  • 删除工程中的src 目录

创建子模块

  • 右击父工程名—》New—》Project,然后选择新建一个maven module工程

  • 设置子工程名以及父工程,再设置快速创建模式

  • 得到子工程(test-hd-api,第三方接口层),设置编译的jdk

  • 同理设置,子模块:test-hd-foundation(基础工具层)、test-hd-resource(资源层) 、test-hd-service(逻辑业务层)

  • 新建test-hd-modules (web层),选择创建一个a simple project,输入Group Id、Artifact Id、Packaging,packaging选择pom包

创建web子模块

  • web子模块在建在test-hd-modules (web层)里面,右击test-hd- modules 工程名—》New—》Project,然后选择新建一个maven module工程,设置子工程名以及父工程,选择新建web项目

  • 配置maven web项目,参照:【Maven】Eclipse 使用Maven创建Java Web项目

  • 同理可以配置其他的web子模块 test-hd-admin(web模块2)

配置个模块的依赖

  • 在parent项目pom.xml中建立依赖管理(dependencyManagement)

<project xmlns=”” xmlns:xsi=””

xsi:schemaLocation=” “>

<modelVersion>4.0.0</modelVersion>

<groupId>com.hd</groupId>

<artifactId>test-hd-parent</artifactId>

<version>0.0.1-SNAPSHOT</version>

<packaging>pom</packaging>

<modules>

<module>test-hd-api</module>

<module>test-hd-service</module>

<module>test-hd-resource</module>

<module>test-hd-foundation</module>

<module>test-hd-modules</module>

</modules>

<!– maven依赖 –>

<dependencyManagement>

<dependencies>

<!– hd –>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-api</artifactId>

<version>0.0.1-SNAPSHOT</version>

</dependency>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-service</artifactId>

<version>0.0.1-SNAPSHOT</version>

</dependency>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-resource</artifactId>

<version>0.0.1-SNAPSHOT</version>

</dependency>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-foundation</artifactId>

<version>0.0.1-SNAPSHOT</version>

</dependency>

<!– servlet –>

<dependency>

<groupId> javax .servlet</groupId>

<artifactId>javax.servlet-api</artifactId>

<version>3.0.1</version>

<scope>provided</scope>

</dependency>

<dependency>

<groupId>javax.servlet.jsp</groupId>

<artifactId>jsp-api</artifactId>

<version>2.2</version>

<scope>provided</scope>

</dependency>

<!– jstl –>

<dependency>

<groupId>javax.servlet</groupId>

<artifactId>jstl</artifactId>

<version>1.2</version>

</dependency>

<dependency>

<groupId>taglibs</groupId>

<artifactId>standard</artifactId>

<version>1.1.2</version>

</dependency>

<dependency>

<groupId> junit </groupId>

<artifactId>junit</artifactId>

<version>3.8.1</version>

<scope>test</scope>

</dependency>

</dependencies>

</dependencyManagement>

</project>

  • test-hd-foundation中的依赖

<?xml version=”1.0″?>

<project

xsi:schemaLocation=” ”

xmlns=”” xmlns:xsi=””>

<modelVersion>4.0.0</modelVersion>

<parent>

<groupId>com.hd</groupId>

<artifactId>test-hd-parent</artifactId>

<version>0.0.1-SNAPSHOT</version>

</parent>

<artifactId>test-hd-foundation</artifactId>

<dependencies>

<!– servlet –>

<dependency>

<groupId>javax.servlet</groupId>

<artifactId>jstl</artifactId>

</dependency>

<dependency>

<groupId>taglibs</groupId>

<artifactId>standard</artifactId>

</dependency>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

</dependency>

</dependencies>

<build>

< plugin s>

<!– define the project compile level –>

<plugin>

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

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

<version>2.3.2</version>

<configuration>

<source>1.7</source>

<target>1.7</target>

</configuration>

</plugin>

</plugins>

</build>

</project>

  • test-hd-api中的依赖关系

<?xml version=”1.0″?>

<project

xsi:schemaLocation=” ”

xmlns=”” xmlns:xsi=””>

<modelVersion>4.0.0</modelVersion>

<parent>

<groupId>com.hd</groupId>

<artifactId>test-hd-parent</artifactId>

<version>0.0.1-SNAPSHOT</version>

</parent>

<artifactId>test-hd-api</artifactId>

<dependencies>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-foundation</artifactId>

</dependency>

<!– servlet –>

<dependency>

<groupId>javax.servlet</groupId>

<artifactId>jstl</artifactId>

</dependency>

<dependency>

<groupId>taglibs</groupId>

<artifactId>standard</artifactId>

</dependency>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

</dependency>

</dependencies>

<build>

<plugins>

<!– define the project compile level –>

<plugin>

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

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

<version>2.3.2</version>

<configuration>

<source>1.7</source>

<target>1.7</target>

</configuration>

</plugin>

</plugins>

<finalName>test-hd-api</finalName>

</build>

</project>

  • test-hd-resource中的依赖关系

<?xml version=”1.0″?>

<project

xsi:schemaLocation=” ”

xmlns=”” xmlns:xsi=””>

<modelVersion>4.0.0</modelVersion>

<parent>

<groupId>com.hd</groupId>

<artifactId>test-hd-parent</artifactId>

<version>0.0.1-SNAPSHOT</version>

</parent>

<artifactId>test-hd-resource</artifactId>

<dependencies>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

</dependency>

</dependencies>

<build>

<plugins>

<!– define the project compile level –>

<plugin>

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

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

<version>2.3.2</version>

<configuration>

<source>1.7</source>

<target>1.7</target>

</configuration>

</plugin>

</plugins>

</build>

</project>

  • test-hd-service中的依赖关系

<?xml version=”1.0″?>

<project

xsi:schemaLocation=” ”

xmlns=”” xmlns:xsi=””>

<modelVersion>4.0.0</modelVersion>

<parent>

<groupId>com.hd</groupId>

<artifactId>test-hd-parent</artifactId>

<version>0.0.1-SNAPSHOT</version>

</parent>

<artifactId>test-hd-service</artifactId>

<dependencies>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-foundation</artifactId>

</dependency>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-api</artifactId>

</dependency>

<!– servlet –>

<dependency>

<groupId>javax.servlet</groupId>

<artifactId>jstl</artifactId>

</dependency>

<dependency>

<groupId>taglibs</groupId>

<artifactId>standard</artifactId>

</dependency>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

</dependency>

</dependencies>

<build>

<plugins>

<!– define the project compile level –>

<plugin>

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

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

<version>2.3.2</version>

<configuration>

<source>1.7</source>

<target>1.7</target>

</configuration>

</plugin>

</plugins>

<finalName>test-hd-service</finalName>

</build>

</project>

  • test-hd-module中的依赖关系

<?xml version=”1.0″ encoding=”UTF-8″?>

<project xmlns=”” xmlns:xsi=””

xsi:schemaLocation=” “>

<modelVersion>4.0.0</modelVersion>

<parent>

<groupId>com.hd</groupId>

<artifactId>test-hd-parent</artifactId>

<version>0.0.1-SNAPSHOT</version>

</parent>

<artifactId>test-hd-modules</artifactId>

<packaging>pom</packaging>

<modules>

<module>test-hd-www</module>

<module>test-hd-admin</module>

</modules>

<dependencies>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-foundation</artifactId>

</dependency>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-service</artifactId>

</dependency>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-api</artifactId>

</dependency>

<dependency>

<groupId>com.hd</groupId>

<artifactId>test-hd-resource</artifactId>

</dependency>

<!– servlet –>

<dependency>

<groupId>javax.servlet</groupId>

<artifactId>jstl</artifactId>

</dependency>

<dependency>

<groupId>taglibs</groupId>

<artifactId>standard</artifactId>

</dependency>

<dependency>

<groupId>junit</groupId>

<artifactId>junit</artifactId>

</dependency>

</dependencies>

</project>

  • test-hd-www中的依赖关系

<?xml version=”1.0″?>

<project

xsi:schemaLocation=” ”

xmlns=”” xmlns:xsi=””>

<modelVersion>4.0.0</modelVersion>

<parent>

<groupId>com.hd</groupId>

<artifactId>test-hd-modules</artifactId>

<version>0.0.1-SNAPSHOT</version>

</parent>

<artifactId>test-hd-www</artifactId>

<packaging>war</packaging>

<build>

<plugins>

<!– define the project compile level –>

<plugin>

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

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

<version>2.3.2</version>

<configuration>

<source>1.7</source>

<target>1.7</target>

</configuration>

</plugin>

</plugins>

<finalName>test-hd-www</finalName>

</build>

</project>

  • 最后使用maven-update整个工程,右击父工程名–》Maven–》Update Project

打包和发布

  • 打包,右击父工程名 test-hd-parent—->Run As—>Maven Install

  • 打包web子工程,右击工程名test-hd-www—>Run As —> Maven Build…—> Goals: clean package—>Run

  • 右击工程名test-hd-www,进行刷新,找到war包,放到 tomcat 的webapps中,启动tomcat,即可访问工程

  • 可以去tomcat下面webapps》test-hd-www》WEB-INF》lib中,看到引用的jar包

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文章来源:智云一二三科技

文章标题:Java实战开发(三)丨 Maven搭建多模块企业级项目

文章地址:https://www.zhihuclub.com/191044.shtml

关于作者: 智云科技

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