摘要：https://stackoverflow.com/questions/36019544/if-double-slash-is-used-2-times-in-xpath-what-does-it-mean Double slash // means any descendant node of t 阅读全文

摘要：教程 https://www.w3schools.com/xml/xpath_nodes.asp 节点之间的关系 Parent，Children，Siblings，Ancestors，Descendants qutoric 最新的online工具 http://www.qutoric.com/xsl 阅读全文