在java开发中，ant为我们提供了一个非常强大的项目构建功能。日常开发中，常用的功能是：编译、打包、运行junit testcase、检查编码规范。在此给出这些常用功能的一个ant模板文件，与各位共享。
<?xml version="1.0" encoding="gb2312"?>
<project name="Test Project" default="all" basedir=".">

    <property name="src.code" value="src"/>
    <property name="src.junit" value="junit"/>
    <property name="lib.dir" value="lib"/>
    <property name="lib.jar" value="TestClass.jar"/>
  
    <!-- checkstyle configuration -->
    <property name="checkstyle.config" value="checkstyle.xml"/>
    <taskdef resource="checkstyletask.properties"
             classpath="${lib.dir}/checkstyle-all-3.1.jar"/>
  
  
    <!-- 输出文档 -->
    <property name="doc.dir" value="doc"/>
    <property name="doc.api" value="${doc.dir}/api"/>
    <property name="javadoc.package" value="com.*"/>
  
    <!-- 输出二进制文件 -->
    <property name="dist.root" value="dist"/>
    <property name="dist.proj" value="${dist.root}/proj"/>
    <property name="dist.classes" value="${dist.proj}/classes"/>
    <property name="dist.lib" value="${dist.proj}/lib"/>
    <property name="dist.junit" value="${dist.root}/junit"/>
  
    <!-- classpath -->
    <path id="classpath">
        <fileset dir="${lib.dir}">
            <include name="**/*.jar"/>
        </fileset>
    </path>
  
    <path id="proj.libs">
        <fileset dir="${dist.lib}">
            <include name="**/*.jar"/>
        </fileset>     
    </path>
  
    <target name="init">
        <mkdir dir="${doc.dir}"/>
        <mkdir dir="${dist.root}"/>
        <mkdir dir="${dist.proj}"/>
        <mkdir dir="${dist.lib}"/>
        <tstamp/>
        <echo message="${TSTAMP}"></echo>
    </target>
  
    <target name="all" depends="compilesrc， javadoc， checkstyle"/>
  
    <!-- 编译源文件 -->
    <target name="compilesrc" depends="init">
        <mkdir dir="${dist.classes}"/>
       
        <javac destdir="${dist.classes}" deprecation="on">
            <src path="${src.code}"/>
            <classpath refid="classpath"/>
        </javac>

        <jar jarfile="${dist.lib}/${lib.jar}" basedir="${dist.classes}">
            <include name="**/*.class"/>
        </jar>     
    </target>
  
    <!--  产生javadoc -->
    <target name="javadoc" depends="init">
        <mkdir dir="${doc.api}"/>
       
        <javadoc packagenames="${javadoc.package}" sourcepath="${src.code}"
             private="yes" defaultexcludes="yes" destdir="${doc.dir}/api">
            <classpath refid="classpath"/>
        </javadoc>
    </target>
  
    <!--  编译Junit文件 -->
    <target name="compilejunit" depends="compilesrc">
        <mkdir dir="${dist.junit}"/>
       
        <javac destdir="${dist.junit}" deprecation="on">
            <src path="${src.junit}"/>
            <classpath refid="classpath"/>
            <classpath refid="proj.libs"/>
        </javac>       
    </target>
  
    <!-- 运行checkstyle检查代码规范 -->
    <target name="checkstyle" depends="init">
        <checkstyle config="${checkstyle.config}">
            <fileset dir="${src.code}" includes="**/*.java"/>
            <formatter type="plain"/>
            <formatter type="xml" toFile="${dist.root}/checkstyle_errors.xml"/>
        </checkstyle>
    </target>
  
    <!--  运行junit  -->
    <target name="junit" depends="compilejunit">
        <junit printsummary="yes" haltonfailure="yes">
            <classpath>
                <path refid="classpath"/>
                <pathelement location="${dist.junit}"/>
            </classpath>
           
            <formatter type="plain"/>
       
            <!-- test name="com.TestClassTest" haltonfailure="no" outfile="result"/ -->
       
            <batchtest todir="${dist.junit}">
                <fileset dir="${dist.junit}" includes="**/Test*.class" />
            </batchtest>
        </junit>
    </target>
  
    <!-- 清除产生的类、junit相关类、文档 -->
    <target name="clean">
        <delete dir="${dist.classes}"/>
        <delete dir="${dist.junit}"/>
        <delete dir="${doc.api}"/>
    </target>
  
    <!-- 清除所有输出结果 -->
    <target name="cleanall" depends="clean">
        <delete dir="${doc.dir}"/>
        <delete dir="${dist.root}"/>
    </target>
</project>