Documentation IndexFetch the complete documentation index at: /llms.txtUse this file to discover all available pages before exploring further.
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
知行之桥用户手册
使用 arc:notnull 检查指定对象中的属性是否有值;arc:exists 是此关键字的同义词。
<arc:call op="fileListDir" output="out"> <arc:notnull attr="filename"> <arc:set attr="[title]" value="[filename]"/> <arc:else> <arc:set attr="[title]" value="Unnamed file"/> </arc:else> </arc:notnull> <arc:push title="[title]"> [out.file:*] </arc:push> </arc:call>