xpath?? ??? ???? ?? ID? ?? ?? ??? ???? ????. ? ?? ?????.
???val ?? 'images'? ?? xpath?? ??? ???? ??? ??????
4
0
0
?? ??: XPATH? ?? ??? ???
XPath ??? $somevariable語(yǔ)法即$符號(hào)加變量名，然后在xpath ???? ???? ???? ?? ?? ?????.
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