scripting - ANT 如何使用 Ant 1.8 中的词法作用域属性？

Question

我的脚本无法工作，因为属性一旦设置就变得不可写

<target name="test" >

    <fileset id="dir1" dir="./dir1"/>
    <fileset id="dir2" dir="./dir2"/>

    <pathconvert property="path.converted" refid="dir1"/>
    <echo message="${path.converted}"/>
    <property name="path.converted" value="set this property manually"/>
    <echo>${path.converted}</echo>
    <pathconvert property="path.converted" refid="dir2"/>
    <echo message="${path.converted}"/>
</target>

总是回显相同的结果，但我希望回显不同

我在 Apache Ant 1.8.0 版本中读到，

Lexically scoped local properties, i.e. properties that are only defined inside a target, sequential block or similar environment. This is very useful inside of s where a macro can now define a temporary property that will disappear once the task has finished.

如何使用它们？

Answer 1

我找到了解决方案。使用local task

<target name="direct" depends="">

    <fileset id="dir1" dir="./dir1"/>
    <fileset id="dir2" dir="./dir2"/>

    <!--<property name="path.converted" value="0"/>-->
    <local name="path.converted"/>

    <pathconvert property="path.converted" refid="dir1"/>
    <echo message="${path.converted}"/>
    <local name="path.converted"/>
    <property name="path.converted" value="0"/>

    <echo>${path.converted}</echo>
    <local name="path.converted"/>
    <pathconvert property="path.converted" refid="dir2"/>
    <echo message="${path.converted}"/>

</target>