maven指定额外的jar

<plugin>
	<groupId>org.apache.maven.plugins</groupId>
	<artifactId>maven-compiler-plugin</artifactId>
		<version>2.3.2</version>
		<configuration>
			<source>1.6</source>
			<target>1.6</target>
			<encoding>UTF-8</encoding>
              [color=red]           <compilerArguments>
                              <extdirs>src\main\webapp\WEB-INF\lib</extdirs>
                         </compilerArguments>[/color]
		</configuration>
</plugin>