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2.1、maven父子模块
在实际开发中,我们基本都会用maven父子分模块的方式进行项目的开发。
2.2、实际操作
2.2.1、手工建立一个ssmm0的文件夹,并在该文件夹中加入一个pom.xml文件,该pom.xml文件内容如下:
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/maven-v4_0_0.xsd"> 4 5 <modelVersion>4.0.0</modelVersion> 6 7 <groupId>com.xxx</groupId> 8 <artifactId>ssmm0</artifactId> 9 <version>1.0-SNAPSHOT</version> 10 11 <name>ssmm0</name> 12 <packaging>pom</packaging><!-- 父模块 --> 13 14 <!-- 管理子模块 --> 15 <modules> 16 <module>ssmm</module> 17 </modules> 18 19 <properties> 20 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> 21 <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> 22 </properties> 23 </project>
注意:
2.2.2、将上一章建好的那个项目ssmm放入ssmm0文件夹下,修改pom.xml如下:
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/maven-v4_0_0.xsd"> 4 5 <modelVersion>4.0.0</modelVersion> 6 7 <!-- 指定父模块 --> 8 <parent> 9 <groupId>com.xxx</groupId> 10 <artifactId>ssmm0</artifactId> 11 <version>1.0-SNAPSHOT</version> 12 </parent> 13 14 <groupId>com.xxx.ssmm0</groupId> 15 <artifactId>ssmm0-ssmm</artifactId> 16 <!--<version>1.0-SNAPSHOT</version>--><!-- 父模块已经指定了版本号,这里就不用了--> 17 18 <name>ssmm0-ssmm</name> 19 <packaging>war</packaging> 20 21 <properties> 22 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> 23 <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> 24 </properties> 25 26 <!-- 引入实际依赖 --> 27 <dependencies> 28 <!-- json --> 29 <dependency> 30 <groupId>com.alibaba</groupId> 31 <artifactId>fastjson</artifactId> 32 <version>1.1.39</version> 33 </dependency> 34 <!-- servlet --> 35 <dependency> 36 <groupId>javax.servlet</groupId> 37 <artifactId>javax.servlet-api</artifactId> 38 <version>3.0.1</version> 39 <scope>provided</scope> 40 </dependency> 41 <!-- spring --> 42 <dependency> 43 <groupId>org.springframework</groupId> 44 <artifactId>spring-core</artifactId> 45 <version>3.2.6.RELEASE</version> 46 </dependency> 47 <dependency> 48 <groupId>org.springframework</groupId> 49 <artifactId>spring-beans</artifactId> 50 <version>3.2.6.RELEASE</version> 51 </dependency> 52 <dependency> 53 <groupId>org.springframework</groupId> 54 <artifactId>spring-context</artifactId> 55 <version>3.2.6.RELEASE</version> 56 </dependency> 57 <dependency> 58 <groupId>org.springframework</groupId> 59 <artifactId>spring-web</artifactId> 60 <version>3.2.6.RELEASE</version> 61 </dependency> 62 <dependency> 63 <groupId>org.springframework</groupId> 64 <artifactId>spring-webmvc</artifactId> 65 <version>3.2.6.RELEASE</version> 66 </dependency> 67 <!-- 这个是使用velocity的必备包 --> 68 <dependency> 69 <groupId>org.springframework</groupId> 70 <artifactId>spring-context-support</artifactId> 71 <version>3.2.6.RELEASE</version> 72 <scope>compile</scope> 73 </dependency> 74 <!-- mysql --> 75 <dependency> 76 <groupId>mysql</groupId> 77 <artifactId>mysql-connector-java</artifactId> 78 <version>5.1.27</version> 79 <scope>runtime</scope> 80 </dependency> 81 <!-- 数据源 --> 82 <dependency> 83 <groupId>org.apache.tomcat</groupId> 84 <artifactId>tomcat-jdbc</artifactId> 85 <version>7.0.47</version> 86 </dependency> 87 <!-- mybatis --> 88 <dependency> 89 <groupId>org.mybatis</groupId> 90 <artifactId>mybatis</artifactId> 91 <version>3.1.1</version> 92 </dependency> 93 <dependency> 94 <groupId>org.mybatis</groupId> 95 <artifactId>mybatis-spring</artifactId> 96 <version>1.1.1</version> 97 </dependency> 98 <!-- velocity --> 99 <dependency> 100 <groupId>org.apache.velocity</groupId> 101 <artifactId>velocity</artifactId> 102 <version>1.5</version> 103 </dependency> 104 <dependency> 105 <groupId>velocity-tools</groupId> 106 <artifactId>velocity-tools-generic</artifactId> 107 <version>1.2</version> 108 </dependency> 109 <!-- 用于加解密 --> 110 <dependency> 111 <groupId>commons-codec</groupId> 112 <artifactId>commons-codec</artifactId> 113 <version>1.7</version> 114 </dependency> 115 <dependency> 116 <groupId>org.bouncycastle</groupId> 117 <artifactId>bcprov-jdk15on</artifactId> 118 <version>1.47</version> 119 </dependency> 120 <!-- 集合工具类 --> 121 <dependency> 122 <groupId>org.apache.commons</groupId> 123 <artifactId>commons-collections4</artifactId> 124 <version>4.0</version> 125 </dependency> 126 <!-- http --> 127 <dependency> 128 <groupId>org.apache.httpcomponents</groupId> 129 <artifactId>httpclient</artifactId> 130 <version>4.2.6</version> 131 </dependency> 132 </dependencies> 133 </project>
注意:在上一章的基础上做了以下几点修改
<properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> </properties>
建议:
这几点建议,在我们编写和部署项目的时候都一目了然;以上几点建议,请对照着以上两个pom.xml文件对号入座。
2.2.3、在ssmm0的文件夹中,即父模块pom.xml所在的文件夹中运行命令窗口,执行"mvn clean compile"命令
2.2.4、编译成功后,将项目ssmm0以maven项目引入eclipse(具体方法:见第一章)
引入的项目结构如下:
注意:
2.2.5、运行ssmm项目,进行测试
这样,就建立起了一个maven的父子模块项目了。
注:若以后再增加一个新的模块该怎么做?
1)我们在父模块的pom.xml文件中添加<module>
2)在ssmm0文件夹下手工创建一个字maven项目(创建方式见第一章),假设为ssmm2,ssmm2的pom.xml文件类似于ssmm子项目的pom.xml即可
3)在ssmm2文件夹中,打开命令窗口,执行"mvn compile"
4)将ssmm2引入eclipse
5)用eclipse的maven插件编译在ssmm0上执行:"Run as"-->"Maven build"-->"clean compile"
这样,就新建了一个子项目了。
针对maven这一块有几点建议:(很重要)
<localRepository>E:/Java/mavenLocalRepository</localRepository>
<!-- nexus --> <repositories> <repository> <id>xxx-Nexus</id> <name>xxx Maven Repository</name> <url>http://xxx.com/nexus/</url> </repository> </repositories>
一个<repository>标签就是一个私服,可以加多个私服。
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/maven-v4_0_0.xsd"> 4 5 <modelVersion>4.0.0</modelVersion> 6 7 <groupId>com.xxx</groupId> 8 <artifactId>ssmm0</artifactId> 9 <version>1.0-SNAPSHOT</version> 10 11 <name>ssmm0</name> 12 <packaging>pom</packaging><!-- 父模块 --> 13 14 <!-- 管理子模块 --> 15 <modules> 16 <module>ssmm</module> 17 </modules> 18 19 <properties> 20 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> 21 <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> 22 </properties> 23 24 <!-- dependencyManagement不会引入实际的依赖,只是作为一个依赖池,供其和其子类使用 --> 25 <dependencyManagement> 26 <dependencies> 27 <!-- json --> 28 <dependency> 29 <groupId>com.alibaba</groupId> 30 <artifactId>fastjson</artifactId> 31 <version>1.1.39</version> 32 </dependency> 33 <!-- servlet --> 34 <dependency> 35 <groupId>javax.servlet</groupId> 36 <artifactId>javax.servlet-api</artifactId> 37 <version>3.0.1</version> 38 <scope>provided</scope> 39 </dependency> 40 <!-- spring --> 41 <dependency> 42 <groupId>org.springframework</groupId> 43 <artifactId>spring-core</artifactId> 44 <version>3.2.6.RELEASE</version> 45 </dependency> 46 <dependency> 47 <groupId>org.springframework</groupId> 48 <artifactId>spring-beans</artifactId> 49 <version>3.2.6.RELEASE</version> 50 </dependency> 51 <dependency> 52 <groupId>org.springframework</groupId> 53 <artifactId>spring-context</artifactId> 54 <version>3.2.6.RELEASE</version> 55 </dependency> 56 <dependency> 57 <groupId>org.springframework</groupId> 58 <artifactId>spring-web</artifactId> 59 <version>3.2.6.RELEASE</version> 60 </dependency> 61 <dependency> 62 <groupId>org.springframework</groupId> 63 <artifactId>spring-webmvc</artifactId> 64 <version>3.2.6.RELEASE</version> 65 </dependency> 66 <!-- 这个是使用velocity的必备包 --> 67 <dependency> 68 <groupId>org.springframework</groupId> 69 <artifactId>spring-context-support</artifactId> 70 <version>3.2.6.RELEASE</version> 71 </dependency> 72 <!-- mysql --> 73 <dependency> 74 <groupId>mysql</groupId> 75 <artifactId>mysql-connector-java</artifactId> 76 <version>5.1.27</version> 77 <scope>runtime</scope> 78 </dependency> 79 <!-- 数据源 --> 80 <dependency> 81 <groupId>org.apache.tomcat</groupId> 82 <artifactId>tomcat-jdbc</artifactId> 83 <version>7.0.47</version> 84 </dependency> 85 <!-- mybatis --> 86 <dependency> 87 <groupId>org.mybatis</groupId> 88 <artifactId>mybatis</artifactId> 89 <version>3.1.1</version> 90 </dependency> 91 <dependency> 92 <groupId>org.mybatis</groupId> 93 <artifactId>mybatis-spring</artifactId> 94 <version>1.1.1</version> 95 </dependency> 96 <!-- velocity --> 97 <dependency> 98 <groupId>org.apache.velocity</groupId> 99 <artifactId>velocity</artifactId> 100 <version>1.5</version> 101 </dependency> 102 <dependency> 103 <groupId>velocity-tools</groupId> 104 <artifactId>velocity-tools-generic</artifactId> 105 <version>1.2</version> 106 </dependency> 107 <!-- 用于加解密 --> 108 <dependency> 109 <groupId>commons-codec</groupId> 110 <artifactId>commons-codec</artifactId> 111 <version>1.7</version> 112 </dependency> 113 <dependency> 114 <groupId>org.bouncycastle</groupId> 115 <artifactId>bcprov-jdk15on</artifactId> 116 <version>1.47</version> 117 </dependency> 118 <!-- 集合工具类 --> 119 <dependency> 120 <groupId>org.apache.commons</groupId> 121 <artifactId>commons-collections4</artifactId> 122 <version>4.0</version> 123 </dependency> 124 <!-- http --> 125 <dependency> 126 <groupId>org.apache.httpcomponents</groupId> 127 <artifactId>httpclient</artifactId> 128 <version>4.2.6</version> 129 </dependency> 130 </dependencies> 131 </dependencyManagement> 132 133 <!-- 引入实际依赖 --> 134 <dependencies> 135 <!-- json --> 136 <dependency> 137 <groupId>com.alibaba</groupId> 138 <artifactId>fastjson</artifactId> 139 </dependency> 140 <!-- servlet --> 141 <dependency> 142 <groupId>javax.servlet</groupId> 143 <artifactId>javax.servlet-api</artifactId> 144 </dependency> 145 <!-- spring --> 146 <dependency> 147 <groupId>org.springframework</groupId> 148 <artifactId>spring-core</artifactId> 149 </dependency> 150 <dependency> 151 <groupId>org.springframework</groupId> 152 <artifactId>spring-beans</artifactId> 153 </dependency> 154 <dependency> 155 <groupId>org.springframework</groupId> 156 <artifactId>spring-context</artifactId> 157 </dependency> 158 <dependency> 159 <groupId>org.springframework</groupId> 160 <artifactId>spring-web</artifactId> 161 </dependency> 162 <dependency> 163 <groupId>org.springframework</groupId> 164 <artifactId>spring-webmvc</artifactId> 165 </dependency> 166 <!-- 这个是使用velocity的必备包 --> 167 <dependency> 168 <groupId>org.springframework</groupId> 169 <artifactId>spring-context-support</artifactId> 170 </dependency> 171 <!-- mysql --> 172 <dependency> 173 <groupId>mysql</groupId> 174 <artifactId>mysql-connector-java</artifactId> 175 </dependency> 176 <!-- 数据源 --> 177 <dependency> 178 <groupId>org.apache.tomcat</groupId> 179 <artifactId>tomcat-jdbc</artifactId> 180 </dependency> 181 <!-- mybatis --> 182 <dependency> 183 <groupId>org.mybatis</groupId> 184 <artifactId>mybatis</artifactId> 185 </dependency> 186 <dependency> 187 <groupId>org.mybatis</groupId> 188 <artifactId>mybatis-spring</artifactId> 189 </dependency> 190 <!-- velocity --> 191 <dependency> 192 <groupId>org.apache.velocity</groupId> 193 <artifactId>velocity</artifactId> 194 </dependency> 195 <dependency> 196 <groupId>velocity-tools</groupId> 197 <artifactId>velocity-tools-generic</artifactId> 198 </dependency> 199 <!-- 集合工具类 --> 200 <dependency> 201 <groupId>org.apache.commons</groupId> 202 <artifactId>commons-collections4</artifactId> 203 </dependency> 204 </dependencies> 205 </project>
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/maven-v4_0_0.xsd"> 4 5 <modelVersion>4.0.0</modelVersion> 6 7 <!-- 指定父模块 --> 8 <parent> 9 <groupId>com.xxx</groupId> 10 <artifactId>ssmm0</artifactId> 11 <version>1.0-SNAPSHOT</version> 12 </parent> 13 14 <groupId>com.xxx.ssmm0</groupId> 15 <artifactId>ssmm0-ssmm</artifactId> 16 <!--<version>1.0-SNAPSHOT</version>--><!-- 父模块已经指定了版本号,这里就不用了--> 17 18 <name>ssmm0-ssmm</name> 19 <packaging>war</packaging> 20 21 <properties> 22 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> 23 <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> 24 </properties> 25 26 <!-- 引入实际依赖 --> 27 <dependencies> 28 <!-- 用于加解密 --> 29 <dependency> 30 <groupId>commons-codec</groupId> 31 <artifactId>commons-codec</artifactId> 32 </dependency> 33 <dependency> 34 <groupId>org.bouncycastle</groupId> 35 <artifactId>bcprov-jdk15on</artifactId> 36 </dependency> 37 <!-- http --> 38 <dependency> 39 <groupId>org.apache.httpcomponents</groupId> 40 <artifactId>httpclient</artifactId> 41 </dependency> 42 </dependencies> 43 </project>
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原文地址:http://www.cnblogs.com/java-zhao/p/5107569.html