Two more examples: //@*, which examines all attributes of all tags; and //tr/td|th, which retrieves all td or th elements within a tr.
另外两个例子://@*,它检查所有标记的所有属性;//tr/td|th检索 tr里面的所有 td或 th元素。
Two more examples: //@*, which examines all attributes of all tags; and //tr/td|th, which retrieves all td or th elements within a tr.
另外两个例子://@*,它检查所有标记的所有属性;//tr/td|th检索 tr里面的所有 td或 th元素。
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