war标签：

	<target name="build" depends="build-subprojects,build-project" description="打包war">    
	        <war destfile="bin/AresApp.war" webxml="src/main/webapp/WEB-INF/web.xml">    
	            <!--拷贝WebRoot下除了Web-INF和META-INF的两个文件夹-->    
	            <fileset dir="bin" />  
				<fileset dir="src/main/webapp/" includes="WEB-INF/"/>
	        </war>    
	</target>

jar标签：

	<target depends="build-subprojects,build-project" name="build">
		<jar jarfile="bin/${ant.project.name}.jar" basedir="bin" excludes="${ant.project.name}.jar" manifest="src/META-INF/MANIFEST.MF">
			<manifest>
				<attribute name="Bundle-Version" value="${version}"/>
			</manifest>
		</jar>
	</target>

Q.E.D.