原来的方式是从根节点，一般是html开始逐一向下进行元素定位，这种方式唯一缺点在于整个xpath语句会很长，比如： /html/body ...
A plain Java program xpath.java that reads some search keywords from input, searches the eBay API for items in the category with id=72 (the computers category) that ...
Industry uses selenium to manufacture photocells, photographic exposure meters, solar cells, and rectifiers for home entertainment equipment. Further uses are in metal alloys, xerography, red or black ...
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