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一：介绍：
ant 是jakarta的一个编译工具，如果你了解linux/unix下的makefile你就很容易
理解ant的用途了。ant最适合你使用ultraedit(editplus)写java程序，然后你使用ant去编译，同时javadoc ,生成一个jar,war，实现文件的copy都可以在build.xml通过不同的tager去实现，还是很方便的一个东东强烈推荐是使用。
二：下载
你可以从下面的地址下载到ant,目前版本：1.41
http://jakarta.apache.org/builds/jakarta-ant/release/v1.4.1/bin/
三：安装
a:)windows
1:解压你下载的文件，会有一个jakarta-ant(版本号的)目录产生，把他改名为ant
2:copy ant 目录到你需要的位置。
3:在环境变量中添加：ant_home=ant的安装目录，path中加$ant_home$\in;注意你同时必须已经安装了jdk,并添加了java_home的环境变量，同时早path中加了$java_home$\in;
b:)linux/unix
1:解压你下载的文件，会有一个jakarta-ant(版本号的)目录产生，把他改名为ant
2:copy ant 目录到你需要的位置。
3:在环境变量中添加：ant_home=ant的安装目录，path中加$ant_home$\in;注意你同时必须已经安装了jdk,并添加了java_home的环境变量，同时早path中加了$java_home$\in;实现修改环境变量你需要修改.bash_profile文件。
如下
ant_home=/usr/local/ant
java_home=/usr/local/jdk
path=$path:$home/bin:/usr/local/ant/bin:/usr/local/jdk/bin
export path ant_home java_home
四:编写build.xml
build.xml相当linux下的makefile,具体的实现都在build.xml中实现。
我给给例子说明一下。
build.xml
================================================================
<project name="bingo" default="build" basedir="../.." >
<!–basedir设定工作目录–>
<property name="version" value="1.0"/>
<!– the base directory relative to which most targets are built –>
<property name="base" value="."/>
<!– the directory where source files are stored. –>
<property name="java.source.dir" value="bingo/src"/>
<!–代码保存路径–>
<!– destination for compiled files –>
<property name="javac.dest" value="bingo/classes"/>
<!–class保存路径–>
<!– destination for generated jar files –>
<property name="jar.dest" value="bingo/jar"/>
<!–jar文件保存路径–>
<!– destination for documentation files generated or not –>
<property name="docs" value="bingo/docs"/>
<!–javadoc文件保存路径–>
<!– destination for javadoc generated files –>
<property name="javadoc.dest" value="bingo/docs"/>
<!– the stem where most log4j source code is located. –>
<property name="stem" value="com/bingo"/>
<property name="base-files" value="include"/>
<!– original manifest.mf file before filtering. –>
<property name="manifest.src" value="bingo/build/manifest.mf"/>
<!– some targets needs a more precise stem. –>
<property name="bstem" value="${java.source.dir}/${stem}"/>
<property name="tomcat.dir" value="c:/apache/tomcat"/>
<property name="webapp.dir" value="${tomcat.dir}/webapps/root/web-inf/classes"/>
<!–list all package used in this project –>
<property name="packagelist" value="
com.bingo,
com.bingo.database,
com.bingo.dbocw,
com.bingo.util,
com.bingo.taglibs.jndi,
com.bingo.finance.database,
com.bingo.finance.entity,
com.bingo.finance.manager"
/>
<!–你的project中所有的包–>
<!– list all jar or file used in this project –>
<property name="classpath" value="${classpath};
${base-files}/tomcat/servlet.jar;
${base-files}/tomcat/webserver.jar;
${base-files}/log4j/log4j.jar;
${base-files}/log4j/log4j-core.jar"
/>
<!–你需要用到的包–>
<target name="init">
<tstamp />
</target>
<target name="build" depends="init">
<echo>
building…
</echo>
<mkdir dir="${javac.dest}" />
<javac srcdir="${java.source.dir}"
destdir="${javac.dest}"
classpath="${classpath}"
debug="on"/>
</target>
<!– ================================================================= –>
<!– copy class files to tomcat dir. –>
<!– ================================================================= –>
<target name="copy" depends="build">
<copy todir="${webapp.dir}/com/bingo">
<fileset dir="${javac.dest}/com/bingo">
<include name="*.class"/>
</fileset>
</copy>
<copy todir="${webapp.dir}/com/bingo/util">
<fileset dir="${javac.dest}/com/bingo/util">
<include name="*.class"/>
</fileset>
</copy>
<copy todir="${webapp.dir}/com/bingo/database">
<fileset dir="${javac.dest}/com/bingo/database">
<include name="*.class"/>
</fileset>
</copy>
<copy todir="${webapp.dir}/com/bingo/dbocw">
<fileset dir="${javac.dest}/com/bingo/dbocw">
<include name="*.class"/>
</fileset>
</copy>
<copy todir="${webapp.dir}/com/bingo/finance/database">
<fileset dir="${javac.dest}/com/bingo/finance/database">
<include name="*.class"/>
</fileset>
</copy>
<copy todir="${webapp.dir}/com/bingo/finance/entity">
<fileset dir="${javac.dest}/com/bingo/finance/entity">
<include name="*.class"/>
</fileset>
</copy>
<copy todir="${webapp.dir}/com/bingo/finance/manager">
<fileset dir="${javac.dest}/com/bingo/finance/manager">
<include name="*.class"/>
</fileset>
</copy>
</target>
<!– ================================================================= –>
<!– remove all generated (compiled) class files. –>
<!– ================================================================= –>
<target name="clean" depends="init">
<delete dir="${javac.dest}/" />
</target>
<!– ================================================================= –>
<!– remove all backup files. –>
<!– ================================================================= –>
<target name="delete" depends="init">
<delete >
<fileset dir="${java.source.dir}/com/bingo">
<include name="*.bak"/>
</fileset>
</delete>
<delete >
<fileset dir="${java.source.dir}/com/bingo/util">
<include name="*.bak"/>
</fileset>
</delete>
<delete >
<fileset dir="${java.source.dir}/com/bingo/database">
<include name="*.bak"/>
</fileset>
</delete>
<delete >
<fileset dir="${java.source.dir}/com/bingo/finance/database">
<include name="*.bak"/>
</fileset>
</delete>
<delete >
<fileset dir="${java.source.dir}/com/bingo/finance/entity">
<include name="*.bak"/>
</fileset>
</delete>
<delete >
<fileset dir="${java.source.dir}/com/bingo/finance/manager">
<include name="*.bak"/>
</fileset>
</delete>
</target>
<!– ================================================================= –>
<!– remove the temporary manifest file, actual work is done in the –>
<!– dependencies. –>
<!– ================================================================= –>
<target name="prejar" depends="build">
<mkdir dir="${jar.dest}"/>
<filter token="version" value="${version}" />
<copy file="${manifest.src}" tofile="${jar.dest}/manifest.mf"
filtering="true"/>
</target>
<!– ================================================================= –>
<!– this target create bingo.jar –>
<!– ================================================================= –>
<target name="jar" depends="prejar">
<delete file="${jar.dest}/bingo.jar"/>
<jar jarfile="${jar.dest}/bingo.jar" basedir="${javac.dest}"
manifest="${jar.dest}/manifest.mf"
/>
</target>
<!– ================================================================= –>
<!– this target builds the javadoc files. –>
<!– ================================================================= –>
<target name="javadoc" depends="build,init">
<mkdir dir="${javadoc.dest}" />
<javadoc sourcepath="${java.source.dir}"
destdir="${javadoc.dest}"
classpath="${classpath}"
packagenames="${packagelist}"
version="true"
protected="true"
author="true"
use="true"
windowtitle="bingo free java code version ${version}"
header="bingo free java code${version}"
/>
</target>
</project>
