原文位于
http://www.w3.org/TR/1999/REC-xpath-19991116这是其中的解释!
2.5 Abbreviated Syntax
Here are some examples of location paths using abbreviated syntax:para selects the para element children of the context node
http://www.w3.org/TR/1999/REC-xpath-19991116这是其中的解释!
2.5 Abbreviated Syntax
Here are some examples of location paths using abbreviated syntax:para selects the para element children of the context node
楼主提的看不大懂