• 【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)
    <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>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="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <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>
            <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-api中的依赖关系

    <?xml version="1.0"?>
    <project
        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <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="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <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="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <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="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>
        <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="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
        xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <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

    转 : https://www.cnblogs.com/h--d/p/6001366.html

    腾讯课堂相关的maven课程: https://ke.qq.com/course/2526203?taid=9184890644237307

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  • 原文地址:https://www.cnblogs.com/fps2tao/p/13941377.html
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