build.xml

<project default="jar" name="Acid">
	<!-- 工程目录结构
    project
        |-bin
        |-src
        |-libs
        |-out
        |-build.xml
    -->
	<property name="lib.dir" value="libs" />
	<property name="src.dir" value="src" />
	<property name="classes.dir" value="bin" />

	<property name="output.dir" value="out" />
	<property name="jarname" value="AppInfo.jar" />
	<property name="mainclass" value="AppMainFrame" />

	<!-- 第三方jar包的路径 -->
	<path id="lib-classpath">
		<fileset dir="${lib.dir}">
			<include name="**/*.jar" />
		</fileset>
	</path>

	<!-- 1. 初始化工作，如创建目录等 -->
	<target name="init">
		<mkdir dir="${classes.dir}" />
		<mkdir dir="${output.dir}" />
	</target>

	<!-- 2. 编译 -->
	<target name="compile" depends="init">
		<javac srcdir="${src.dir}" destdir="${classes.dir}">
			<compilerarg line="-encoding UTF-8" />
			<!--<classpath refid="lib-classpath" />-->
		</javac>
	</target>

	<!-- 3. 打包jar文件 -->
	<target name="jar" depends="compile">
		<!--
		<copy todir="${output.dir}/lib">
            <fileset dir="${lib.dir}"/>
        </copy>
		-->
		<!--Create a property containing all .jar files,
        prefix lib/, and seperated with a space
		<pathconvert property="mf.classpath" pathsep=" ">
			<mapper>
				<chainedmapper>
					<flattenmapper />
					<globmapper from="*" to="lib/*" />
				</chainedmapper>
			</mapper>
			<path refid="lib-classpath" />
		</pathconvert>
		-->
		<!-- jar文件的输出路径 -->
		<jar destfile="${output.dir}/${jarname}" basedir="${classes.dir}">
			<zipgroupfileset dir="${lib.dir}" includes="*.jar">
			</zipgroupfileset>
			<manifest>
				<attribute name="Main-class" value="${mainclass}" />
				<attribute name="Class-Path" value="${mf.classpath}" />
			</manifest>
		</jar>
	</target>
</project>