maven如何打web项目

增加：
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
<encoding>UTF-8</encoding>
<compilerArgs>
            <arg>-extdirs</arg>
            <arg>WebContent/WEB-INF/lib</arg>
        </compilerArgs>
</configuration>
</plugin>
pom.xml实例：

<?xml version="1.0" encoding="UTF-8"?>

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

  <modelVersion>4.0.0</modelVersion>
  <packaging>war</packaging>

  <name>totems-manager</name>
  <groupId>totems</groupId>
  <artifactId>manager</artifactId>
  <version>v1.0.0.1.1115-SNAPSHOT</version>
   
  <properties> 
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>
<build>
    <finalName>manager</finalName>
    <sourceDirectory>${basedir}/src</sourceDirectory>
    <!-- 这样也可以把所有的xml文件，打包到相应位置。-->
    <resources>
        <resource>
            <directory>src</directory>
            <includes>
                <include>**/*.properties</include>
                <include>**/*.xml</include>
            </includes>
            <filtering>false</filtering><!--这里是false，用true会报 数据库连接 错误-->
        </resource>
    </resources>
    <plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
<encoding>UTF-8</encoding>
<compilerArgs>
            <arg>-extdirs</arg>
            <arg>WebContent/WEB-INF/lib</arg>
        </compilerArgs>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.4</version>
<configuration>
<warSourceDirectory>WebContent</warSourceDirectory>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>

<dependencies>
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>servlet-api</artifactId>
    <version>2.5</version>
    <scope>provided</scope>
</dependency>
</dependencies>
<!-- 本地环境配置 下面是配置的私服，跟maven打web包没关系  -->
  <repositories>
<repository>
<id>sapling-snapshots</id>
<url>http://192.168.0.219:8081/nexus/content/groups/sapling/</url>
</repository>
</repositories>

<pluginRepositories>
<pluginRepository>
<id>sapling-snapshots</id>
<url>http://192.168.0.219:8081/nexus/content/groups/sapling/</url>
</pluginRepository>
</pluginRepositories>

<distributionManagement>
<snapshotRepository>
<id>sapling-snapshot</id>
<name>sapling Porject Snapshot</name>
<url>http://192.168.0.219:8081/nexus/content/repositories/snapshots/</url>
<uniqueVersion>true</uniqueVersion>
</snapshotRepository>
<repository>
<id>sapling-release</id>
<name>sapling Porject Release</name>
<url>http://192.168.0.219:8081/nexus/content/repositories/releases/</url>
</repository>
</distributionManagement>

</project>