Ant输出信息

 

Ant文件

<?xml version="1.0" encoding="utf8"?>
<project name="echoMsg" basedir="." default="showProp">
	<description>echo all kinds of info</description>
	
	<!--定义要输入的内容 -->
	<property name="username" value="admin"/>
	<property name="password" value="123"/>
	<property name="url" value="jdbc:mysql://localhost:8080/demo" />
	<property name="driver" value="com.mysql.jdbc.Driver"/>
	<property name="targetFile" value="myprop.properties"/>
	
	
	<target name="init">
			<echo message="------ init target run ---------" />
			<delete file="${targetFile}"/>
			<echo message="------ delete file success ---------" />
	</target>
	
	<target name="echoSimpMsg" depends="init">
			<echo message="------ echoSimpMsg target run ---------" />
			<echo message="echo a simple Msg" />
	</target>
	
	<!-- 将配置信息输出到文件 -->
	<target name="echoMsgToFile" depends="echoSimpMsg">
			<echo message="------ echoMsgToFile target run ---------" />
			<!-- 使用 ${line.seperator}作为换行符 -->
			<echo file="${targetFile}" message="username1=${username}${line.separator}password1=${password}" />
			<echo message="------ echoMsgToFile target finished ---------" />
	</target>
	
	<!-- 将配置信息追加到文件 -->
	<target name="appendMsgToFile" depends="echoMsgToFile">
			<echo message="------ appendMsgToFile target run ---------" />
			<echo file="${targetFile}" message="${line.separator}url1=${url}${line.separator}driver1=${driver}" append="true"/>
			<echo message="------ appendMsgToFile target finished ---------" />
	</target>
	
	<!-- 从输出的文件中读取配置信息-->
	<target name="showProp" depends="appendMsgToFile">
			<!-- 使用局部的property才可以显示，不能放在上面 -->
			<property file="${targetFile}"/>
			<echo message="------ appendMsgToFile target run ---------" />
			<echo message="username1=${username1}"/>
			<echo message="password1=${password1}"/>
			<echo message="url1=${url1}"/>
			<echo message="driver1=${driver1}"/>
			<echo message="------ target over ---------" />
	</target>
</project>