maven模块化

╰半夏微凉° 2021-09-19 10:52 441阅读 0赞

**目录**

（一）创建父类项目：新建maven project，项目名：maven-ssm-base，packageing：pom

（二）创建子类项目

1.创建maven module，项目名：maven-ssm-mapper,packaging:jar

2.创建maven module，项目名：maven-ssm-bean,packaging:jar

2.创建maven module，项目名：maven-ssm-service,packaging:jar

3.创建maven module，项目名：maven-ssm-controller,packaging:war

（三）完善各个模块代码

--------------------

![20190515115904407.png][]

# （一）创建父类项目：新建maven project，项目名：maven-ssm-base，packageing：pom  #

新建maven project，项目名：maven-ssm-base，packageing：pom

![2019051508402497.png][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70][]![2019051508373085.png][]

# （二）创建子类项目  #

## 1.创建maven module，项目名：maven-ssm-mapper,packaging:jar ##

![20190515084002904.png][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 1][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 2][]![20190515115144812.png][]

## 2.创建maven module，项目名：maven-ssm-bean,packaging:jar ##

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 3][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 4][]![20190515085351744.png][]

## 2.创建maven module，项目名：maven-ssm-service,packaging:jar ##

![20190515115349345.png][]

## 3.创建maven module，项目名：maven-ssm-controller,packaging:war ##

![20190515085209588.png][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 5][]![20190515115245613.png][]

# （三）完善各个模块代码 #

1.将bean模块打成jar包，并在mapper模块中引用

（1）右键maven-ssm-bean项目-【run as】-【maven install】，发现报了如下错误：

![20190515085906481.png][]

解决这个错误很简单，右键maven-ssm-bean项目-【build path】-【configure build path】

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 6][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 7][]

然后再次右键maven-ssm-bean项目-【run as】-【maven install】，发现build成功！

![20190515090154156.png][]

然后我们去maven-ssm-mapper的pom.xml的dependencies中添加maven-ssm-bean包

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 8][]

创建测试，在mapper模块右键new-other-Junit test case

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 9][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 10][]

![2019051509263036.png][]

service模块中引入mapper包

![20190515092908987.png][]

在service模块中新建测试代码

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 11][]![20190515093111884.png][]

ItemMapperTest.java:

package com.sikiedu.mapper;
    
    import java.util.List;
    
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.test.context.ContextConfiguration;
    import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    
    import com.sikiedu.bean.ItemInfo;
    
    @RunWith(SpringJUnit4ClassRunner.class)
    @ContextConfiguration("classpath:applicationContext_mapper.xml")
    public class ItemMapperTest {
    
    	@Autowired
    	private ItemMapper itemMapper;
    	@Test
    	public void test() {
    		System.out.println("this is ItemMapperTest");
    		List<ItemInfo> allList = itemMapper.getAllList();
    		for (ItemInfo itemInfo : allList) {
    			System.out.println("itemInfo="+itemInfo);
    		}
    		
    	}
    
    }

ItemServicelmplTest.java:

package com.sikiedu.service;
    
    import static org.junit.Assert.*;
    
    import java.util.List;
    
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.test.context.ContextConfiguration;
    import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
    
    import com.sikiedu.bean.ItemInfo;
    
    
    //@ContextConfiguration(locations={"classpath:applicationContext_service.xml",
    //		                         "classpath:applicationContext_transaction.xml"})
    @ContextConfiguration("classpath*:applicationContext_*.xml")
    @RunWith(SpringJUnit4ClassRunner.class)
    public class ItemServicelmplTest {
    
    	@Autowired
    	private ItemService itemService;
    	
    	@Test
    	public void test() {
    	
    		System.out.println("this is ItemServicelmplTest");
    		List<ItemInfo> allList = itemService.getAllList();
    		for (ItemInfo itemInfo : allList) {
    			System.out.println("itemInfo="+itemInfo);
    			
    		}
    		
    	}
    
    }

web.xml:

<?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
      <display-name>Maven-ssm</display-name>
      <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
      </welcome-file-list>
      <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.css</url-pattern>
        <url-pattern>*.ttf</url-pattern>
        <url-pattern>*.woff</url-pattern>
        <url-pattern>*.js</url-pattern>
        <url-pattern>*.png</url-pattern>
        <url-pattern>*.jpg</url-pattern>
        <url-pattern>*.gif</url-pattern>
      </servlet-mapping>
      <filter>
        <filter-name>encoding</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
          <param-name>encoding</param-name>
          <param-value>utf-8</param-value>
        </init-param>
      </filter>
      <filter-mapping>
        <filter-name>encoding</filter-name>
        <url-pattern>/*</url-pattern>
      </filter-mapping>
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath*:applicationContext_*.xml</param-value>
      </context-param>
      <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:springmvc.xml</param-value>
        </init-param>
      </servlet>
      <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
      </servlet-mapping>
    </web-app>

运行结果：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 12][]

剩下的代码参考：[https://blog.csdn.net/qq\_40323256/article/details/90168191][https_blog.csdn.net_qq_40323256_article_details_90168191]

[20190515115904407.png]: /images/20210725/dca64a53312740a5b0e2e010d5c66596.png
[2019051508402497.png]: /images/20210725/93acdf2f9ff34fc6a341c9c2ab831d39.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20190515083125477.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[2019051508373085.png]: /images/20210725/1f03b0d1d7cc41dc8b9b01bad9efa186.png
[20190515084002904.png]: https://img-blog.csdnimg.cn/20190515084002904.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20190515084121174.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20190515084203532.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[20190515115144812.png]: /images/20210725/3592b2dc662841a8bd5456d575570cae.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 3]: https://img-blog.csdnimg.cn/2019051508471759.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 4]: https://img-blog.csdnimg.cn/20190515084902175.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[20190515085351744.png]: /images/20210725/027e59f02540472cbe90294b5f59a780.png
[20190515115349345.png]: /images/20210725/abfda0f141d649d8a42d4c7aba2406a1.png
[20190515085209588.png]: https://img-blog.csdnimg.cn/20190515085209588.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 5]: https://img-blog.csdnimg.cn/20190515085226971.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[20190515115245613.png]: /images/20210725/d8566f55147f48cbbec2afb486e3caa2.png
[20190515085906481.png]: /images/20210725/711b25404f9b4a3eb291fd9442dc47ab.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 6]: https://img-blog.csdnimg.cn/20190515090047389.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 7]: /images/20210725/c2a14fe5b73648ca8936d46b4ed22da3.png
[20190515090154156.png]: /images/20210725/3baacd67c69649489057d72121d0834f.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 8]: /images/20210725/8175065a148b4167b909633e2fcc2499.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 9]: https://img-blog.csdnimg.cn/2019051509133068.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 10]: /images/20210725/73541020c0c540279e419481c87fb505.png
[2019051509263036.png]: /images/20210725/406f9819167c481a8f0eb174a24c0964.png
[20190515092908987.png]: /images/20210725/bc01fd1d514641caae4bc87f260d25ec.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 11]: https://img-blog.csdnimg.cn/20190515093044107.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[20190515093111884.png]: /images/20210725/18707f0c2c614c0ca86aedaeeb6e9e50.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 12]: /images/20210725/1493caf21400459483817ed9be7425eb.png
[https_blog.csdn.net_qq_40323256_article_details_90168191]: https://blog.csdn.net/qq_40323256/article/details/90168191