xpath 查找具有最大属性的节点
问题描述：
我有一个这样的 xml 结构.
I have an xml structure like this.
<pages>
<page a="1">111</page>
<page a="1" b="2">222</page>
<page a="1">333</page>
<page a="1" b="2" c="3" d="4">444</page>
<page a="1" b="2">555</page>
<page a="1">666</page>
</pages>
Xpath 应返回值 444，因为该节点已获得最大数量的属性.我们应该怎么做?请帮忙.
Xpath should return the value 444 since that node has got the maximum number of attributes. How can we do this? Please help.
答
根据 http://wiki.orbeon.com/forms/doc/developer-guide/xpath-2-0-support Orbeon 支持 XPath 2.0，因此您可以执行诸如 /pages 之类的操作/page[count(@*) eq max(/pages/page/count(@*))].
According to http://wiki.orbeon.com/forms/doc/developer-guide/xpath-2-0-support Orbeon supports XPath 2.0 so you can do stuff like /pages/page[count(@*) eq max(/pages/page/count(@*))].