看个例子:
<?xml version="1.0"?>
<project name="Hello World Project" default="info">
<target name="info">
<echo>Hello World - Welcome to Apache Ant! + ${ant.file}</echo>
</target>
</project>
输出:
<?xml version="1.0"?>
<project name="Hello World Project" default="info">
<property name="sitename" value="www.tutorialspoint.com"/>
<target name="info">
<echo>Apache Ant version is ${ant.version} - You are at ${sitename} </echo>
</target>
</project>
输出: