maven pom.xml详解

什么是pom?
    pom作为项目对象模型。通过xml表示maven项目，使用pom.xml来实现。主要描述了项目：包括配置文件；开发者需要遵循的规则，缺陷管理系统，组织和licenses，项目的url，项目的依赖性，以及其他所有的项目相关因素。

pom.xml 配置文件

 <project>
     <parent>
         ...
     parent>

     <modelVersion>4.0.0modelVersion>


     <groupId>...groupId>
     <artifactId>...artifactId>
     <version>...version>
     <packaging>...packaging>

     <scm>
         ...
     scm>

     <dependencies>
         ...
     dependencies>

     <dependencyManagement>
         ...
     dependencyManagement>

     <modules>
         ...
     modules>

     <properties>
         ...
     properties>


     <build>
         ...
     build>
     <reporting>
         ...
     reporting>


     <name>...name>
     <description>...description>
     <url>...url>
     <inceptionYear>...inceptionYear>

     <licenses>
     licenses>

     <organization>
     organization>

     <developers>
     developers>

     <contributors>
     contributors>


     <issueManagement>
     issueManagement>

     <ciManagement>
     ciManagement>

     <mailingLists>
     mailingLists>

     <prerequisites>
     prerequisites>

     <repositories>
     repositories>

     <pluginRepositories>
     pluginRepositories>

     <distributionManagement>
     distributionManagement>

     <profiles>
     profiles>
 project>

maven POM.xml详解

 <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/4.0.0http://maven.apache.org/maven-v4_0_0.xsd">

     <parent>

      <artifactId/>

      <groupId/>

      <version/>

      <relativePath/>
  parent>

     <modelVersion>4.0.0modelVersion>

     <groupId>asia.banseongroupId>

     <artifactId>banseon-maven2artifactId>

     <packaging>jarpackaging>

     <version>1.0-SNAPSHOTversion>

     <name>banseon-mavenname>

     <url>http://www.baidu.com/banseonurl>

     <description>A maven project to study maven.description>

  <prerequisites>

     <maven/>
  prerequisites>

     <issueManagement>

         <system>jirasystem>

         <url>http://jira.baidu.com/banseonurl>
     issueManagement>

  <ciManagement>

   <system/>

   <url/>

   <notifiers>

    <notifier>

     <type/>

     <sendOnError/>

     <sendOnFailure/>

     <sendOnSuccess/>

     <sendOnWarning/>

     <address/>

     <configuration/>
    notifier>
   notifiers>
  ciManagement>

     <inceptionYear/>

     <mailingLists>

         <mailingList>

             <name>Demoname>

             <post>[email protected]post>

             <subscribe>[email protected]subscribe>

             <unsubscribe>[email protected]unsubscribe>

             <archive>http:/hi.baidu.com/banseon/demo/dev/archive>
         mailingList>
     mailingLists>

     <developers>

         <developer>

             <id>HELLO WORLDid>

             <name>banseonname>

             <email>[email protected]email>

             <url/>

             <roles>
                 <role>Project Managerrole>
                 <role>Architectrole>
             roles>

             <organization>demoorganization>

             <organizationUrl>http://hi.baidu.com/banseonorganizationUrl>

             <properties>
                 <dept>Nodept>
             properties>

             <timezone>-5timezone>
         developer>
     developers>

     <contributors>

      <contributor>
    <name/><email/><url/><organization/><organizationUrl/><roles/><timezone/><properties/>
      contributor>
     contributors>

     <licenses>

         <license>

             <name>Apache 2name>

             <url>http://www.baidu.com/banseon/LICENSE-2.0.txturl>

             <comments>A business-friendly OSS licensecomments>
         license>
     licenses>

     <scm>

         <connection>
             scm:svn:http://svn.baidu.com/banseon/maven/banseon/banseon-maven2-trunk(dao-trunk)
         connection>

         <developerConnection>
             scm:svn:http://svn.baidu.com/banseon/maven/banseon/dao-trunk
         developerConnection>

         <tag/>

         <url>http://svn.baidu.com/banseonurl>
     scm>

     <organization>

         <name>demoname>

         <url>http://www.baidu.com/banseonurl>
     organization>

     <build>

   <sourceDirectory/>

   <scriptSourceDirectory/>

   <testSourceDirectory/>

   <outputDirectory/>

   <testOutputDirectory/>

   <extensions>

    <extension>

     <groupId/>

     <artifactId/>

     <version/>
    extension>
   extensions>

   <defaultGoal/>

   <resources>

    <resource>

     <targetPath/>

     <filtering/>

     <directory/>

     <includes/>

     <excludes/>
    resource>
   resources>

   <testResources>

    <testResource>
     <targetPath/><filtering/><directory/><includes/><excludes/>
    testResource>
   testResources>

   <directory/>

   <finalName/>

   <filters/>

   <pluginManagement>

    <plugins>

     <plugin>

      <groupId/>

      <artifactId/>

      <version/>

      <extensions/>

      <executions>

       <execution>

        <id/>

        <phase/>

        <goals/>

        <inherited/>

        <configuration/>
       execution>
      executions>

      <dependencies>

       <dependency>
        ......
       dependency>
      dependencies>

      <inherited/>

      <configuration/>
     plugin>
    plugins>
   pluginManagement>

   <plugins>

    <plugin>
     <groupId/><artifactId/><version/><extensions/>
     <executions>
      <execution>
       <id/><phase/><goals/><inherited/><configuration/>
      execution>
     executions>
     <dependencies>

      <dependency>
       ......
      dependency>
     dependencies>
     <goals/><inherited/><configuration/>
    plugin>
   plugins>
  build>

  <profiles>

   <profile>

    <id/>

     <activeByDefault/>

     <jdk/>

     <os>

      <name>Windows XPname>

      <family>Windowsfamily>

      <arch>x86arch>

      <version>5.1.2600version>
     os>

      <name>mavenVersionname>

      <value>2.0.3value>
     property>

      <exists>/usr/local/hudson/hudson-home/jobs/maven-guide-zh-to-production/workspace/exists>

      <missing>/usr/local/hudson/hudson-home/jobs/maven-guide-zh-to-production/workspace/missing>
     file>
    activation>

    <build>
     <defaultGoal/>
     <resources>
      <resource>
       <targetPath/><filtering/><directory/><includes/><excludes/>
      resource>
     resources>
     <testResources>
      <testResource>
       <targetPath/><filtering/><directory/><includes/><excludes/>
      testResource>
     testResources>
     <directory/><finalName/><filters/>
     <pluginManagement>
      <plugins>

       <plugin>
        <groupId/><artifactId/><version/><extensions/>
        <executions>
         <execution>
          <id/><phase/><goals/><inherited/><configuration/>
         execution>
        executions>
        <dependencies>

         <dependency>
          ......
         dependency>
        dependencies>
        <goals/><inherited/><configuration/>
       plugin>
      plugins>
     pluginManagement>
     <plugins>

      <plugin>
       <groupId/><artifactId/><version/><extensions/>
       <executions>
        <execution>
         <id/><phase/><goals/><inherited/><configuration/>
        execution>
       executions>
       <dependencies>

        <dependency>
         ......
        dependency>
       dependencies>
       <goals/><inherited/><configuration/>
      plugin>
     plugins>
    build>

    <modules/>

    <repositories>

     <repository>
      <releases>
       <enabled/><updatePolicy/><checksumPolicy/>
      releases>
      <snapshots>
       <enabled/><updatePolicy/><checksumPolicy/>
      snapshots>
      <id/><name/><url/><layout/>
     repository>
    repositories>

    <pluginRepositories>

     <pluginRepository>
      <releases>
       <enabled/><updatePolicy/><checksumPolicy/>
      releases>
      <snapshots>
       <enabled/><updatePolicy/><checksumPolicy/>
      snapshots>
      <id/><name/><url/><layout/>
     pluginRepository>
    pluginRepositories>

    <dependencies>

     <dependency>
      ......
     dependency>
    dependencies>

    <reports/>

    <reporting>
     ......
    reporting>

    <dependencyManagement>
     <dependencies>

      <dependency>
       ......
      dependency>
     dependencies>
    dependencyManagement>

    <distributionManagement>
     ......
    distributionManagement>

    <properties/>
   profile>
  profiles>

  <modules/>

     <repositories>

         <repository>

          <releases>

     <enabled/>

     <updatePolicy/>

     <checksumPolicy/>
    releases>

    <snapshots>
     <enabled/><updatePolicy/><checksumPolicy/>
    snapshots>

    <id>banseon-repository-proxyid>

             <name>banseon-repository-proxyname>

             <url>http://192.168.1.169:9999/repository/url>

             <layout>defaultlayout>
         repository>
     repositories>

     <pluginRepositories>

   <pluginRepository>
    ......
   pluginRepository>
  pluginRepositories>


     <dependencies>
         <dependency>

             <groupId>org.apache.mavengroupId>

             <artifactId>maven-artifactartifactId>

             <version>3.8.1version>

             <type>jartype>

             <classifier>classifier>

             <systemPath>systemPath>

             <exclusions>
              <exclusion>
                     <artifactId>spring-coreartifactId>
                     <groupId>org.springframeworkgroupId>
                 exclusion>
             exclusions>

             <optional>trueoptional>
         dependency>
     dependencies>

     <reports>reports>

  <reporting>

   <excludeDefaults/>

   <outputDirectory/>

   <plugins>

    <plugin>

     <groupId/>

     <artifactId/>

     <version/>

     <inherited/>

     <configuration/>

     <reportSets>

      <reportSet>

       <id/>

       <configuration/>

       <inherited/>

       <reports/>
      reportSet>
     reportSets>
    plugin>
   plugins>
  reporting>

  <dependencyManagement>
   <dependencies>

    <dependency>
     ......
    dependency>
   dependencies>
  dependencyManagement>

     <distributionManagement>

         <repository>

    <uniqueVersion/>
    <id>banseon-maven2id>
    <name>banseon maven2name>
             <url>file://${basedir}/target/deployurl>
             <layout/>
   repository>

   <snapshotRepository>
    <uniqueVersion/>
    <id>banseon-maven2id>
             <name>Banseon-maven2 Snapshot Repositoryname>
             <url>scp://svn.baidu.com/banseon:/usr/local/maven-snapshoturl>
    <layout/>
   snapshotRepository>

         <site>

             <id>banseon-siteid>

             <name>business api websitename>

             <url>
                 scp://svn.baidu.com/banseon:/var/www/localhost/banseon-web
             url>
         site>

   <downloadUrl/>

   <relocation>

    <groupId/>

    <artifactId/>

    <version/>

    <message/>
   relocation>

   <status/>
     distributionManagement>

     <properties/>
 project>