使用Maven構建多模塊層級項目


Maven多模塊項目

  Maven多模塊項目,適用於一些比較大的項目,通過合理的模塊拆分,實現代碼的復用,便於維護和管理。尤其是一些開源框架,也是采用多模塊的方式,提供插件集成,用戶可以根據需要配置指定的模塊。

  項目結構如下:

      test-hd-parent   (父級)
             ---pom.xml
             ---test-hd-api          (第三方接口層)
                    ----pom.xml    
           ---test-hd-foundation     (基礎工具層)
                    ----pom.xml
             ---test-hd-resource     (資源層) 
                    ----pom.xml
             ---test-hd-service       (邏輯業務層)
                    ----pom.xml
           ---test-hd-modules     (web層)
                    ----pom.xml
                ---test-hd-www         (web模塊1)
                            ----pom.xml
                ---test-hd-admin        (web模塊2)
                            ----pom.xml     

創建一個父maven工程

  •   新建一個maven項目,選擇存儲位置,並選擇創建一個簡單的maven工程

    

  •   輸入Group Id、Artifact Id、Packaging,packaging選擇pom包

    

  •   生成父工程,pom.xml如下

    

  •   刪除工程中的src 目錄

    

創建子模塊

  •   右擊父工程名---》New---》Project,然后選擇新建一個maven module工程

    

  •   設置子工程名以及父工程,再設置快速創建模式

    

  •   得到子工程(test-hd-api,第三方接口層),設置編譯的jdk

    

  •   同理設置,子模塊:test-hd-foundation(基礎工具層)、test-hd-resource(資源層) 、test-hd-service(邏輯業務層)
  •   新建test-hd-modules (web層),選擇創建一個a simple project,輸入Group Id、Artifact Id、Packaging,packaging選擇pom包

        

創建web子模塊

  •   web子模塊在建在test-hd-modules (web層)里面,右擊test-hd-modules 工程名---》New---》Project,然后選擇新建一個maven module工程,設置子工程名以及父工程,選擇新建web項目

    

    

 

配置個模塊的依賴

  在parent項目pom.xml中建立依賴管理(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依賴 -->
    <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中的依賴

<?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中的依賴關系

<?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中的依賴關系

<?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中的依賴關系

<?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中的依賴關系

<?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中的依賴關系

<?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整個工程,右擊父工程名--》Maven--》Update Project

    

打包和發布

  •   打包,右擊父工程名 test-hd-parent---->Run As--->Maven Install

   

 

  •   打包web子工程,右擊工程名test-hd-www--->Run As ---> Maven Build...---> Goals: clean package--->Run

      

      

 

  •   右擊工程名test-hd-www,進行刷新,找到war包,放到tomcat的webapps中,啟動tomcat,即可訪問工程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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