我在XML中具有此结构:
<resource id="2023984310000103605" name="Rebelezza">
<prices>
<price datefrom="2019-10-31" dateto="2019-12-31" price="2690.0" currency="EUR" />
<price datefrom="2020-01-01" dateto="2020-03-31" price="2690.0" currency="EUR" />
<price datefrom="2020-03-31" dateto="2020-04-30" price="3200.0" currency="EUR" />
</prices>
<products>
<product name="specific-product1">
<prices>
<price datefrom="2019-10-31" dateto="2019-12-31" price="2690.0" currency="EUR" />
<price datefrom="2020-01-01" dateto="2020-03-31" price="2690.0" currency="EUR" />
<price datefrom="2020-03-31" dateto="2020-04-30" price="3200.0" currency="EUR" />
</prices>
</product>
</products>
</resource>
如何使用XPath选择器仅获取资源下的价格,而又不获取产品内部的价格。
此刻,我有类似的东西:
resources = resourcesParsed.xpath("//resource")
for resource in resources do
prices = resource.xpath(".//prices/price[number(translate(@dateto, '-', '')) >= 20190101]")
end
但是,我得到的价格既直接在资源要素下,又在产品之下。我对产品价格不感兴趣。