maven的命令使用笔记

(1)创建web项目
mvn archetype:create -DgroupId=com.mycompany.webapp -DartifactId=myweb -DarchetypeArtifactId=maven-archetype-webapp

(2)转化成java项目
cmd 进入项目目录下,执行：
mvn eclipse:eclipse

(3)打包而不测试
mvn package -DskipTests=true

mvn clean install -DskipTests=true

(4)打jar包时，复制依赖包：
mvn dependency:copy-dependencies

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-dependency-plugin
    </artifactId>
    <configuration>
     <outputDirectory>${basedir}/app/lib
     </outputDirectory>
    </configuration>
</plugin>

(5)运行测试：
   <plugin>
       <groupId>org.mortbay.jetty</groupId>
       <artifactId>maven-jetty-plugin</artifactId>
   </plugin>

mvn jetty:run

(6)安装第三方包：
mvn install:install-file -DgroupId=org.slf4j -DartifactId=slf4j-log4j12 -Dversion=1.5.6 -Dfile=slf4j-log4j12-1.5.6.jar -Dpackaging=jar -DgeneratePom=true

备注：
mvn install:install-file
-DgroupId=<your_group_name>
-DartifactId=<your_artifact_name>
-Dversion=<snapshot>
-Dfile=<path_to_your_jar_file>
-Dpackaging=jar
-DgeneratePom=true

简单解释一下：
archetype 是一个内建插件，他的create任务将建立项目骨架
archetypeArtifactId 项目骨架的类型

可用项目骨架有：
* maven-archetype-archetype
* maven-archetype-j2ee-simple
* maven-archetype-mojo
* maven-archetype-portlet
* maven-archetype-profiles (currently under development)
* maven-archetype-quickstart
* maven-archetype-simple (currently under development)
* maven-archetype-site
* maven-archetype-site-simple, and
* maven-archetype-webapp

(7)解决maven传递依赖中的版本冲突

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>
     maven-project-info-reports-plugin
    </artifactId>
   </plugin>

mvn project-info-reports:dependencies 。生成项目依赖的报表，这样你就能够在报表中找出你版本冲突的相关性依赖了。

最后在相应的dependency中加上exclusions来排除相关的传递依赖。

例：

              <dependency>
                        <groupId>jaxen</groupId>
                        <artifactId>jaxen</artifactId>
                        <version>1.1.1</version>
                        <exclusions>
                                <exclusion>
                                        <groupId>com.ibm.icu</groupId>
                                        <artifactId>icu4j</artifactId>
                                </exclusion>
                        </exclusions>
                        <scope>runtime</scope>
                </dependency>

备注pom的简要例子：

<?xml version="1.0" encoding="UTF-8"?>
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>mypro</groupId>
<artifactId>mypro</artifactId>
<version>0.0.1</version>
<description></description>

<build>
  <plugins>
   <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-jar-plugin</artifactId>
    <configuration>
     <outputDirectory>${basedir}/app</outputDirectory>
     <archive>
      <manifestFile>${basedir}/MANIFEST.MF</manifestFile>
          <manifest>
             <addClasspath>true</addClasspath>

<mainClass>com.mypro.Main </mainClass>

</manifest>

     </archive>
     <excludes>
      <exclude>system.properties</exclude>
     </excludes>
    </configuration>
   </plugin>
            <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-compiler-plugin</artifactId>
    <configuration>
     <source>1.6</source>
     <target>1.6</target>
        <encoding>UTF-8</encoding>
    </configuration>
   </plugin>
   <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-dependency-plugin
    </artifactId>
    <configuration>
     <outputDirectory>${basedir}/app/lib
     </outputDirectory>
    </configuration>
   </plugin>
  </plugins>
</build>

<dependencies>
     <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring</artifactId>
   <version>2.5.5</version>
  </dependency>
  
  <dependency>
      <groupId>javax.activation</groupId>
   <artifactId>activation</artifactId>
   <version>1.1</version>
  </dependency>
  
  <dependency>
      <groupId>javax.mail</groupId>
   <artifactId>mail</artifactId>
   <version>1.4.3</version>
  </dependency>
  <dependency>
   <groupId>commons-lang</groupId>
   <artifactId>commons-lang</artifactId>
   <version>2.3</version>
  </dependency>
  <dependency>
   <groupId>commons-io</groupId>
   <artifactId>commons-io</artifactId>
   <version>1.4</version>
  </dependency>
  <dependency>
   <groupId>commons-logging</groupId>
   <artifactId>commons-logging</artifactId>
   <version>1.0.4</version>
  </dependency>
  <dependency>
   <groupId>log4j</groupId>
   <artifactId>log4j</artifactId>
   <version>1.2.14</version>
  </dependency>
  <dependency>
   <groupId>junit</groupId>
   <artifactId>junit</artifactId>
   <version>4.8.1</version>
   <scope>test</scope>
  </dependency>
  <dependency>
   <groupId>ojdbc</groupId>
   <artifactId>ojdbc</artifactId>
   <version>14</version>
  </dependency>
</dependencies>
</project>