• 【Maven】使用Maven构建多模块项目


    Maven多模块项目

      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

        

        

    配置个模块的依赖

    •   在parent项目pom.xml中建立依赖管理(dependencyManagement)
       1 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       2     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
       3     <modelVersion>4.0.0</modelVersion>
       4     <groupId>com.hd</groupId>
       5     <artifactId>test-hd-parent</artifactId>
       6     <version>0.0.1-SNAPSHOT</version>
       7     <packaging>pom</packaging>
       8     <modules>
       9         <module>test-hd-api</module>
      10         <module>test-hd-service</module>
      11         <module>test-hd-resource</module>
      12         <module>test-hd-foundation</module>
      13         <module>test-hd-modules</module>
      14     </modules>
      15 
      16 
      17     <!-- maven依赖 -->
      18     <dependencyManagement>
      19 
      20         <dependencies>
      21             <!-- hd -->
      22             <dependency>
      23                 <groupId>com.hd</groupId>
      24                 <artifactId>test-hd-api</artifactId>
      25                 <version>0.0.1-SNAPSHOT</version>
      26             </dependency>
      27 
      28             <dependency>
      29                 <groupId>com.hd</groupId>
      30                 <artifactId>test-hd-service</artifactId>
      31                 <version>0.0.1-SNAPSHOT</version>
      32             </dependency>
      33 
      34             <dependency>
      35                 <groupId>com.hd</groupId>
      36                 <artifactId>test-hd-resource</artifactId>
      37                 <version>0.0.1-SNAPSHOT</version>
      38             </dependency>
      39 
      40             <dependency>
      41                 <groupId>com.hd</groupId>
      42                 <artifactId>test-hd-foundation</artifactId>
      43                 <version>0.0.1-SNAPSHOT</version>
      44             </dependency>
      45 
      46             <!-- Servlet -->
      47             <dependency>
      48                 <groupId>javax.servlet</groupId>
      49                 <artifactId>javax.servlet-api</artifactId>
      50                 <version>3.0.1</version>
      51                 <scope>provided</scope>
      52             </dependency>
      53             <dependency>
      54                 <groupId>javax.servlet.jsp</groupId>
      55                 <artifactId>jsp-api</artifactId>
      56                 <version>2.2</version>
      57                 <scope>provided</scope>
      58             </dependency>
      59 
      60             <!-- jstl -->
      61             <dependency>
      62                 <groupId>javax.servlet</groupId>
      63                 <artifactId>jstl</artifactId>
      64                 <version>1.2</version>
      65             </dependency>
      66 
      67             <dependency>
      68                 <groupId>taglibs</groupId>
      69                 <artifactId>standard</artifactId>
      70                 <version>1.1.2</version>
      71             </dependency>
      72 
      73             <dependency>
      74                 <groupId>junit</groupId>
      75                 <artifactId>junit</artifactId>
      76                 <version>3.8.1</version>
      77                 <scope>test</scope>
      78             </dependency>
      79 
      80         </dependencies>
      81     </dependencyManagement>
      82 
      83 </project>
    •     test-hd-foundation中的依赖
       1 <?xml version="1.0"?>
       2 <project
       3     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
       4     xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
       5     <modelVersion>4.0.0</modelVersion>
       6     <parent>
       7         <groupId>com.hd</groupId>
       8         <artifactId>test-hd-parent</artifactId>
       9         <version>0.0.1-SNAPSHOT</version>
      10     </parent>
      11     <artifactId>test-hd-foundation</artifactId>
      12 
      13     <dependencies>
      14 
      15         <!-- servlet -->
      16         <dependency>
      17             <groupId>javax.servlet</groupId>
      18             <artifactId>jstl</artifactId>
      19         </dependency>
      20 
      21         <dependency>
      22             <groupId>taglibs</groupId>
      23             <artifactId>standard</artifactId>
      24         </dependency>
      25 
      26         <dependency>
      27             <groupId>junit</groupId>
      28             <artifactId>junit</artifactId>
      29         </dependency>
      30     </dependencies>
      31 
      32     <build>
      33         <plugins>
      34             <!-- define the project compile level -->
      35             <plugin>
      36                 <groupId>org.apache.maven.plugins</groupId>
      37                 <artifactId>maven-compiler-plugin</artifactId>
      38                 <version>2.3.2</version>
      39                 <configuration>
      40                     <source>1.7</source>
      41                     <target>1.7</target>
      42                 </configuration>
      43             </plugin>
      44         </plugins>
      45     </build>
      46 </project>
    •     test-hd-api中的依赖关系
       1 <?xml version="1.0"?>
       2 <project
       3     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
       4     xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
       5     <modelVersion>4.0.0</modelVersion>
       6     <parent>
       7         <groupId>com.hd</groupId>
       8         <artifactId>test-hd-parent</artifactId>
       9         <version>0.0.1-SNAPSHOT</version>
      10     </parent>
      11     <artifactId>test-hd-api</artifactId>
      12     <dependencies>
      13 
      14         <dependency>
      15             <groupId>com.hd</groupId>
      16             <artifactId>test-hd-foundation</artifactId>
      17         </dependency>
      18 
      19         <!-- servlet -->
      20         <dependency>
      21             <groupId>javax.servlet</groupId>
      22             <artifactId>jstl</artifactId>
      23         </dependency>
      24 
      25         <dependency>
      26             <groupId>taglibs</groupId>
      27             <artifactId>standard</artifactId>
      28         </dependency>
      29 
      30         <dependency>
      31             <groupId>junit</groupId>
      32             <artifactId>junit</artifactId>
      33         </dependency>
      34     </dependencies>
      35     <build>
      36         <plugins>
      37             <!-- define the project compile level -->
      38             <plugin>
      39                 <groupId>org.apache.maven.plugins</groupId>
      40                 <artifactId>maven-compiler-plugin</artifactId>
      41                 <version>2.3.2</version>
      42                 <configuration>
      43                     <source>1.7</source>
      44                     <target>1.7</target>
      45                 </configuration>
      46             </plugin>
      47         </plugins>
      48         <finalName>test-hd-api</finalName>
      49     </build>
      50 </project>
      View Code
    •     test-hd-resource中的依赖关系
       1 <?xml version="1.0"?>
       2 <project
       3     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
       4     xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
       5     <modelVersion>4.0.0</modelVersion>
       6     <parent>
       7         <groupId>com.hd</groupId>
       8         <artifactId>test-hd-parent</artifactId>
       9         <version>0.0.1-SNAPSHOT</version>
      10     </parent>
      11     <artifactId>test-hd-resource</artifactId>
      12     <dependencies>
      13 
      14         <dependency>
      15             <groupId>junit</groupId>
      16             <artifactId>junit</artifactId>
      17         </dependency>
      18     </dependencies>
      19 
      20     <build>
      21         <plugins>
      22             <!-- define the project compile level -->
      23             <plugin>
      24                 <groupId>org.apache.maven.plugins</groupId>
      25                 <artifactId>maven-compiler-plugin</artifactId>
      26                 <version>2.3.2</version>
      27                 <configuration>
      28                     <source>1.7</source>
      29                     <target>1.7</target>
      30                 </configuration>
      31             </plugin>
      32         </plugins>
      33     </build>
      34 </project>
      View Code
    •     test-hd-service中的依赖关系
       1 <?xml version="1.0"?>
       2 <project
       3     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
       4     xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
       5     <modelVersion>4.0.0</modelVersion>
       6     <parent>
       7         <groupId>com.hd</groupId>
       8         <artifactId>test-hd-parent</artifactId>
       9         <version>0.0.1-SNAPSHOT</version>
      10     </parent>
      11     <artifactId>test-hd-service</artifactId>
      12     <dependencies>
      13 
      14         <dependency>
      15             <groupId>com.hd</groupId>
      16             <artifactId>test-hd-foundation</artifactId>
      17         </dependency>
      18 
      19         <dependency>
      20             <groupId>com.hd</groupId>
      21             <artifactId>test-hd-api</artifactId>
      22         </dependency>
      23 
      24         <!-- servlet -->
      25         <dependency>
      26             <groupId>javax.servlet</groupId>
      27             <artifactId>jstl</artifactId>
      28         </dependency>
      29 
      30         <dependency>
      31             <groupId>taglibs</groupId>
      32             <artifactId>standard</artifactId>
      33         </dependency>
      34 
      35         <dependency>
      36             <groupId>junit</groupId>
      37             <artifactId>junit</artifactId>
      38         </dependency>
      39     </dependencies>
      40 
      41 
      42     <build>
      43         <plugins>
      44             <!-- define the project compile level -->
      45             <plugin>
      46                 <groupId>org.apache.maven.plugins</groupId>
      47                 <artifactId>maven-compiler-plugin</artifactId>
      48                 <version>2.3.2</version>
      49                 <configuration>
      50                     <source>1.7</source>
      51                     <target>1.7</target>
      52                 </configuration>
      53             </plugin>
      54         </plugins>
      55         <finalName>test-hd-service</finalName>
      56     </build>
      57 </project>
      View Code
    •   test-hd-module中的依赖关系
       1 <?xml version="1.0" encoding="UTF-8"?>
       2 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       3     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
       4     <modelVersion>4.0.0</modelVersion>
       5     <parent>
       6         <groupId>com.hd</groupId>
       7         <artifactId>test-hd-parent</artifactId>
       8         <version>0.0.1-SNAPSHOT</version>
       9     </parent>
      10 
      11     <artifactId>test-hd-modules</artifactId>
      12     <packaging>pom</packaging>
      13 
      14     <modules>
      15         <module>test-hd-www</module>
      16         <module>test-hd-admin</module>
      17     </modules>
      18 
      19     <dependencies>
      20 
      21         <dependency>
      22             <groupId>com.hd</groupId>
      23             <artifactId>test-hd-foundation</artifactId>
      24         </dependency>
      25 
      26         <dependency>
      27             <groupId>com.hd</groupId>
      28             <artifactId>test-hd-service</artifactId>
      29         </dependency>
      30         <dependency>
      31             <groupId>com.hd</groupId>
      32             <artifactId>test-hd-api</artifactId>
      33         </dependency>
      34 
      35         <dependency>
      36             <groupId>com.hd</groupId>
      37             <artifactId>test-hd-resource</artifactId>
      38         </dependency>
      39 
      40         <!-- servlet -->
      41         <dependency>
      42             <groupId>javax.servlet</groupId>
      43             <artifactId>jstl</artifactId>
      44         </dependency>
      45 
      46         <dependency>
      47             <groupId>taglibs</groupId>
      48             <artifactId>standard</artifactId>
      49         </dependency>
      50 
      51         <dependency>
      52             <groupId>junit</groupId>
      53             <artifactId>junit</artifactId>
      54         </dependency>
      55 
      56     </dependencies>
      57 </project>
      View Code
    •     test-hd-www中的依赖关系
       1 <?xml version="1.0"?>
       2 <project
       3     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
       4     xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
       5     <modelVersion>4.0.0</modelVersion>
       6     <parent>
       7         <groupId>com.hd</groupId>
       8         <artifactId>test-hd-modules</artifactId>
       9         <version>0.0.1-SNAPSHOT</version>
      10     </parent>
      11     <artifactId>test-hd-www</artifactId>
      12     <packaging>war</packaging>
      13 
      14     <build>
      15         <plugins>
      16             <!-- define the project compile level -->
      17             <plugin>
      18                 <groupId>org.apache.maven.plugins</groupId>
      19                 <artifactId>maven-compiler-plugin</artifactId>
      20                 <version>2.3.2</version>
      21                 <configuration>
      22                     <source>1.7</source>
      23                     <target>1.7</target>
      24                 </configuration>
      25             </plugin>
      26         </plugins>
      27         <finalName>test-hd-www</finalName>
      28     </build>
      29 
      30 </project>
      View Code
    •     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http://localhost:8080/test-hd-www

        

    •   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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  • 原文地址:https://www.cnblogs.com/h--d/p/6001366.html
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