ant打包配置

<?xml version="1.0" encoding="UTF-8"?>
<project name="struts2" default="about" basedir=".">
   <target name="init">
       <property name="build" value="build" />
       <property name="src" value="src"/>
       <property environment="myenc"/>
       <!-- 写成 WebContent/WEB-INF/lib/*.jar会报错
              至于原因我就不清楚了
         -->
       <property name="struts2jar1"
                 value="WebContent/WEB-INF/lib/freemarker-2.3.15.jar"
                 />
       <property name="struts2jar2"
                 value="WebContent/WEB-INF/lib/struts2-core-2.1.8.1.jar"
                 /> 
      <property name="struts2jar3"
                 value="WebContent/WEB-INF/lib/xwork-core-2.1.6.jar"
                 /> 
       <mkdir dir="${build}" />
       <mkdir dir="${build}/WEB-INF"/>
       <mkdir dir="${build}/WEB-INF/classes"/>
       
       <copy todir="${build}">
          <fileset dir="${basedir}">
       <!-- 这里有点小bug -->
               <include name="*.jsp" />
               <include name="WEB-INF/**"/>
               <exclude name="bulid.xml"/>
          </fileset>
       </copy>
   </target>
   <target name="compile" depends="init">
      
       <javac srcdir="${src}"
              destdir="${build}/WEB-INF/classes"
              classpath="${struts2jar1}:${struts2jar2}:${struts2jar3}"
               />
        <echo>
         正在编译...
      </echo>       
   </target>
   <target name="struts2war" depends="compile">
     
      <war warfile="D:/apache-tomcat-6.0.18/webapps/struts2.war"
           webxml="${build}/WEB-INF/web.xml"
           >
           <lib dir="${build}/WEB-INF/lib"/>
           <fileset dir="${build}" />
      </war>
       <echo>
        正在打包...
      </echo>
   </target>
   
   <target name="about">
      <echo>
        要开始打包了...
      </echo>
   </target>
</project>