Ant 打包成jar

<?xml version="1.0"?>
<project name="OQLStudy" basedir="." default="makeJar">
	<property name="build" value="${basedir}/dist/"></property>
	<property name="classes" value="${basedir}/bin/"></property>
	<target name="clean">
		<delete dir="${classes}"></delete>
		<delete dir="${build}"></delete>
	</target>
	<target name="compile" depends="clean">
		<mkdir dir="${classes}"/>
		<mkdir dir="${build}"/>
		<javac encoding="GBK" srcdir="src" destdir="${classes}" source="1.6" includeantruntime="false"></javac>
	</target>
	<target name="makeJar" depends="compile">
		<jar destfile="${build}/demo.jar" basedir="${classes}">
			<manifest>
				<attribute name="Main-class" value="Demo.MapQueryDemo"/>
			</manifest>
		</jar>		
	</target>
</project>