Ant的使用
Ant的使用
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Ant,以我自身的理解,它的作用类似与Linux下的makefile,可以对软件项目进行编译、生成文档、单元测试、打包、部署等;但又不同与makefile,因为makefile是基于shell的构建工具,但Ant是基于Java的构建工具,且使用Java语言可以很容易的对它进行扩展,Ant是基于XML的书写格式。
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一、安装Ant
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1、 先将Ant解压到一个目录,假如解压到D:\ant
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2、 设置环境变量
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set ANT_HOME=d:\ant
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set PATH=%PATH%;%ANT_HOME%\bin
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二、使用Ant
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Ant的构建文件是用XML格式书写的,每个build文件包含一个project和至少一个默认的target。
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<?xml version="1.0" encoding="UTF-8"?>
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<project name="jartest" default="jar" basedir=".">
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<target name="jar" depends="war">
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<jar jarfile="${basedir}/Operation.jar">
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<fileset dir="bin">
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<include name="**/*.class" />
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</fileset>
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<!--
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<fileset dir="src">
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<include name="jndi.properties"/>
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</fileset>
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-->
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</jar>
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</target>
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<target name="war">
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<war warfile="OperationTest.war" webxml="web/WEB-INF/web.xml">
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<fileset dir="web">
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<include name="**/*.jsp"/>
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</fileset>
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</war>
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</target>
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</project>
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1、 Project
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Project有三个属性name,default,basedir
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Name:Project的名字
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Default:build文件运行时默认的target
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Basedir:进行项目构建的根目录,如果没有设置此项,则默认与build文件同目录
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2、 Target
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一个Target可以依赖于其它多个Target,
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<target name="A"/>
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<target name="B" depends="A"/>
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想要执行B必需先执行A
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Target的属性:name,depends,if,unless,description
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Name:Target的名字
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Depends:执行当前Target时需要依赖的Target
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If:这个属性的名字必需设置,当前的Target才能执行
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<target name="A" if="file"/>
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Unless:这个属性的名字必需不能设置,当前的Target才能执行
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<target name="A" unless="file"/>
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Description:对当前Target的一段描述
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3、 Tasks
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具体需求执行的任务,这个就有很多了,如:WAR, EAR, JAVAC, JAVA, JAR, COPY, COPYDIR, COPYFILE, MKDIR, MOVE, DELETE, ECHO, EXEC, UNZIP, ZIP, TAR, UNJAR, UNTAR, UNWAR, SCP, FTP, TELNET, 等等,以下是各Task的属性介绍:
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(1) Javac:编译Java源文件
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Srcdir:Java文件的目录
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Destdir:Class文件的保存目录
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Includes:需要包含哪些文件
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Excludes:不包含哪些文件
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Classpath:编译时需要引用的classpath
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Debug:编译时是否包含debug信息
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<javac destdir="${build}" classpath="xyz.jar" debug="on">
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<src path="${src}"/>
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<src path="${src2}"/>
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<include name="mypackage/p1/**"/>
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<include name="mypackage/p2/**"/>
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<exclude name="mypackage/p1/testpackage/**"/>
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</javac>
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(2) Java:运行class文件
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Classname:需要执行的class文件名
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Jar:需要执行的jar文件,必须包含程序入口类,有Main方法的类
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Args:执行class需要的参数
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Classpath:需要使用的classpath
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<java jar="dist/test.jar" fork="true" failonerror="true" maxmemory="128m">
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<arg value="-h"/>
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<classpath>
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<pathelement location="dist/test.jar"/>
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<pathelement path="${java.class.path}"/>
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</classpath>
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</java>
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(3) Jar:将多个class文件打成一个jar包
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Destfile:需要创建的jar文件名
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Basedir:文件的来源
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Includes:需要包含哪些文件
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Excludes:不包含哪些文件
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<jar destfile="${dist}/lib/app.jar"
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basedir="${build}/classes"
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includes="mypackage/test/**"
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excludes="**/Test.class"
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/>
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(4) War:将文件打包成War文件
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Destfile:需要创建的war文件名
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Webxml:web.xml文件的路径及文件名
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Basedir:文件的来源
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Includes:需要包含哪些文件
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Excludes:不包含哪些文件
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<war destfile="myapp.war" webxml="src/metadata/myapp.xml">
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<fileset dir="src/html/myapp"/>
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<fileset dir="src/jsp/myapp"/>
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<lib dir="thirdparty/libs">
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<exclude name="jdbc1.jar"/>
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</lib>
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<classes dir="build/main"/>
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<zipfileset dir="src/graphics/images/gifs"
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prefix="images"/>
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</war>
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(5) Ear:将文件打包成Ear文件
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Destfile:需要创建的ear文件名
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appxml:META-INF/application.xml文件的路径及文件名
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Basedir:文件的来源
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Includes:需要包含哪些文件
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Excludes:不包含哪些文件
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<ear destfile="${build.dir}/myapp.ear" appxml="${src.dir}/metadata/application.xml">
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<fileset dir="${build.dir}" includes="*.jar,*.war"/>
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</ear>
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(6) Mkdir:创建一个目录
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<mkdir dir="${dist}"/>
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(7) Delete:删除一个文件,或文件夹及其包含的文件
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File:需要删除的文件名
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Dir:需要删除的目录
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<delete file="/lib/ant.jar"/>
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<delete dir="lib"/>
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<delete>
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<fileset dir="." includes="**/*.bak"/>
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</delete>
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4、 Properties
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一个Project可以设置多个Property,可以在build文件内使用,也可以通过Ant命令使用
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(1) 在build文件内
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<property name="build" location="build"/>
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<delete dir="${build}"/>
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(2) 通过Ant命令,使用选项为:-Dproperty=value
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<property name="build" location="build"/>
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执行Ant命令:ant –Dbuild=aa 则location的值就变为aa了
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设置Property的六种方式
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(1) 通过name,value的属性设置
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<property name="foo.dist" value="dist"/>
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(2) 通过name,refid的属性设置
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(3) 通过file,url,resource属性设置,foo.properties是键值对的属性文件
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<property file="foo.properties"/>
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<property resource="foo.properties"/>
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<property url="http://www.mysite.com/bla/props/foo.properties"/>
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(4) 通过environment属性设置,获得环境变量
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<property environment="env"/>
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<echo message="ANT_HOME is set to = ${env.ANT_HOME}"/>
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三、运行Ant
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ant [options] [target [target2 [target3]
]]
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Options:
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-help, -h print this message
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-projecthelp, -p print project help information
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-version print the version information and exit
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-diagnostics print information that might be helpful to
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diagnose or report problems.
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-quiet, -q be extra quiet
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-verbose, -v be extra verbose
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-debug, -d print debugging information
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-emacs, -e produce logging information without adornments
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-lib <path> specifies a path to search for jars and classes
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-logfile <file> use given file for log
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-l <file> ''
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-logger <classname> the class which is to perform logging
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-listener <classname> add an instance of class as a project listener
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-noinput do not allow interactive input
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-buildfile <file> use given buildfile
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-file <file> ''
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-f <file> ''
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-D<property>=<value> use value for given property
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-keep-going, -k execute all targets that do not depend
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on failed target(s)
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-propertyfile <name> load all properties from file with -D
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properties taking precedence
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-inputhandler <class> the class which will handle input requests
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-find <file> (s)earch for buildfile towards the root of
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-s <file> the filesystem and use it
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-nice number A niceness value for the main thread:
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1 (lowest) to 10 (highest); 5 is the default
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-nouserlib Run ant without using the jar files from ${user.home}/.ant/lib
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-noclasspath Run ant without using CLASSPATH
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如:ant -buildfile test.xml -Dbuild=build/classes dist
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