告诉我PLIZ 隐藏在这里 xpath 试图从输入中获取 data-sell 的内容
<块引用>输入 [@data-currency = 'USD'] / @data-buy
有了这样的要求
<块引用>data-buy = "74.19" data-buy = "74.19" data-buy = "74.19"
但我首先需要正确的输入，我不需要只需要数据属性的内容而不需要属性本身，即：
<块引用>74.19
不完全
<块引用>data-buy = "74.19"
在页面上这个代码
<input type = "hidden" data-currency = "USD" data-sell = "78" data-buy = "74.19">
<input type = "hidden" data-currency = "USD" data-sell = "78" data-buy = "74.19">
<input type = "hidden" data-currency = "USD" data-sell = "78" data-buy = "74.19">