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使用Maven构建多模块项目

2017-12-15 11:22 477 查看


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)

                 
4000
   ----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)

    




配置多个模块的依赖

  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>


 

    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>


 

    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>


 

  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>

113a0
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>


 

    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>


 

    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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