ant 打包简介

<project name="client" default="init" basedir=".">
    <description>
        simple example build file
    </description>
  <!-- set global properties for this build -->
  <property name="src" location="src"/>
  <property name="build" value="build"/>
  <property name="dist"  location="dist"/>
  <property name="lib" location="lib"></property>

  <target name="init">
    <!-- Create the time stamp -->
    <tstamp/>
    <!-- Create the build directory structure used by compile -->
    <mkdir dir="${build}"/>
  </target>

<path id="classpath">
<fileset dir="${lib}" includes="*.jar"/>
</path>


  <target name="compile" depends="init"
        description="compile the source " >
    <!-- Compile the java code from ${src} into ${build} -->
    <javac srcdir="${src}" destdir="${build}">
    <compilerarg line="-encoding UTF-8"/>

    <classpath refid="classpath"></classpath>
    </javac>
  </target>

  <target name="dist" depends="compile"
        description="generate the distribution" >
    <!-- Create the distribution directory -->
    <mkdir dir="${dist}/lib"/>

    <!-- Put everything in ${build} into the MyProject-${DSTAMP}.jar file -->
    <jar jarfile="${dist}/lib/client-${DSTAMP}.jar" basedir="${build}"/>
  </target>

  <target name="clean"
        description="clean up" >
    <!-- Delete the ${build} and ${dist} directory trees -->
    <delete dir="${build}"/>
    <delete dir="${dist}"/>
  </target>
</project>

突然发现apache上的东东很好理解！（可能没深入，笑话我吧！）
比如上面的ant，看似简单，却起到不小的作用。
讲下自认为要注意的几点（其中的依赖关系，想必不用我说大家都我比我清楚）

1.<compilerarg line="-encoding UTF-8"/>
修改编码方式
2.   <javac srcdir="${src}" destdir="${build}">
里面的destdir 生成后或寻找的目的地址