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  • Eclipse中Ant的配置与测试 转

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    Ant是Java平台下非常棒的批处理命令执行程序,能非常方便地自动完成编译,测试,打包,部署等等一系列任务,大大提高开发效率。如果你现在还没有开始使用Ant,那就要赶快开始学习使用,使自己的开发水平上一个新台阶。Eclipse中已经集成了Ant,我们可以直接在Eclipse中运行Ant。以前面建立的Hello工程为例,创建以下目录结构:

    新建一个build.xml,放在工程根目录下。build.xml定义了Ant要执行的批处理命令。虽然Ant也可以使用其它文件名,但是遵循标准能更使开发更规范,同时易于与别人交流。 通常,src存放Java源文件,classes存放编译后的class文件,lib存放编译和运行用到的所有jar文件,web存放JSP等web文件,dist存放打包后的jar文件,doc存放API文档。然后在根目录下创建build.xml文件,输入以下内容:

    
    <?xml version="1.0"?>
    <project name="Hello world" default="doc">
    	<!-- properies -->
    	<property name="src.dir" value="src" />
    	<property name="report.dir" value="report" />
    	<property name="classes.dir" value="classes" />
    	<property name="lib.dir" value="lib" />
    	<property name="dist.dir" value="dist" />
    	<property name="doc.dir" value="doc" />
    	<!-- 定义classpath -->
    	<path id="master-classpath">
    		<fileset file="${lib.dir}/*.jar" />
    		<pathelement path="${classes.dir}" />
    	</path>
    	<!-- 初始化任务 -->
    	<target name="init">
    	</target>
    	<!-- 编译 -->
    	<target name="compile" depends="init" description="compile the source files">
    		<mkdir dir="${classes.dir}" />
    		<javac srcdir="${src.dir}" destdir="${classes.dir}" target="1.4">
    			<classpath refid="master-classpath" />
    		</javac>
    	</target>
    	<!-- 测试 -->
    	<target name="test" depends="compile" description="run junit test">
    		<mkdir dir="${report.dir}" />
    		<junit printsummary="on" haltonfailure="false" failureproperty="tests.failed"
    			showoutput="true">
    			<classpath refid="master-classpath" />
    			<formatter type="plain" />
    			<batchtest todir="${report.dir}">
    				<fileset dir="${classes.dir}">
    					<include name="**/*Test.*" />
    				</fileset>
    			</batchtest>
    		</junit>
    		<fail if="tests.failed">
    			***********************************************************
    			**** One or more tests failed! Check the output ... ****
    			***********************************************************
    		</fail>
    	</target>
    	<!-- 打包成jar -->
    	<target name="pack" depends="test" description="make .jar file">
    		<mkdir dir="${dist.dir}" />
    		<jar destfile="${dist.dir}/hello.jar" basedir="${classes.dir}">
    			<exclude name="**/*Test.*" />
    			<exclude name="**/Test*.*" />
    		</jar>
    	</target>
    	<!-- 输出api文档 -->
    	<target name="doc" depends="pack" description="create api doc">
    		<mkdir dir="${doc.dir}" />
    		<javadoc destdir="${doc.dir}" author="true" version="true"
    			use="true" windowtitle="Test API">
    			<packageset dir="${src.dir}" defaultexcludes="yes">
    				<include name="example/**" />
    			</packageset>
    			<doctitle><![CDATA[<h1>Hello, test</h1>]]></doctitle>
    			<bottom><![CDATA[<i>All Rights Reserved.</i>]]></bottom>
    			<tag name="todo" scope="all" description="To do:" />
    		</javadoc>
    	</target>
    </project>
    
    

    选中Hello工程,然后选择“Project”,“Properties”,“Builders”,“New…”,选择“Ant Build”:

    填入Name:Ant_Builder;Buildfile:build.xml;Base Directory:${workspace_loc:/Hello}(按“Browse Workspace”选择工程根目录),由于用到了junit.jar包,搜索Eclipse目录,找到junit.jar,把它复制到Hello/lib目录下,并添加到Ant的Classpath中:

    然后在Builder面板中钩上Ant_Build,去掉Java Builder:

    再次编译,即可在控制台看到Ant的输出:

    
    Buildfile: F:eclipse-projectsHellouild.xml
    init:
    compile:
    [mkdir] Created dir: F:eclipse-projectsHelloclasses
    [javac] Compiling 2 source files to F:eclipse-projectsHelloclasses
    test:
    [mkdir] Created dir: F:eclipse-projectsHello
    eport
    [junit] Running example.HelloTest
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 0.02 sec
    pack:
    [mkdir] Created dir: F:eclipse-projectsHellodist
    [jar] Building jar: F:eclipse-projectsHellodisthello.jar
    doc:
    [mkdir] Created dir: F:eclipse-projectsHellodoc
    [javadoc] Generating Javadoc
    [javadoc] Javadoc execution
    [javadoc] Loading source files for package example...
    [javadoc] Constructing Javadoc information...
    [javadoc] Standard Doclet version 1.4.2_04
    [javadoc] Building tree for all the packages and classes...
    [javadoc] Building index for all the packages and classes...
    [javadoc] Building index for all classes...
    [javadoc] Generating F:eclipse-projectsHellodocstylesheet.css...
    [javadoc] Note: Custom tags that could override future standard tags:  
    @todo. To avoid potential overrides, use at least one period character (.) in custom tag names.
    [javadoc] Note: Custom tags that were not seen:  @todo
    BUILD SUCCESSFUL
    Total time: 11 seconds
    
    

    Ant依次执行初始化,编译,测试,打包,生成API文档一系列任务,极大地提高了开发效率。将来开发J2EE项目时,还可加入部署等任务。并且,即使脱离了Eclipse环境,只要正确安装了Ant,配置好环境变量ANT_HOME=<Ant解压目录>,Path=…;%ANT_HOME%in,在命令行提示符下切换到Hello目录,简单地键入ant即可。

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  • 原文地址:https://www.cnblogs.com/jiangxinnju/p/5040436.html
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