<div class=’aaaa bbbb’>春天的菠菜</div>
1、通过定位一个class方式
//div[contains(@class,"aaaa")])
#它会取得所有class为aaaa的元素
2、通过定位两个class方式
/div[contains(@class,"aaaa") and contains(@class,"bbbb")]
#它会取class同时有aaaa和bbbb的元素
3、不包含某个
//div[not(contains(class, 'aaaa'))]
4、组合
//div[contains(@class,"slider-active") and not(contains(class, 'slider-copy'))]
5、or
//*[@class="aaaa"or contains(@class,"bbbb")]/div/div[text()="文字"]
6、如果目标 class 不一定是第一个
//*[contains(concat("", @class, ""), "slider-copy")]
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