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我想要以下xmlns:fb属性:
xmlns:fb
<html xmlns:fb="http://www.facebook.com/2008/fbml"></html>
如果我使用它不起作用:
hxs.select('//html/@xmlns:fb')
您可以使用//html/namespace::fb而不是//html/@xmlns:fb获取 URI ' http://www.facebook.com/2008/fbml '
//html/namespace::fb
//html/@xmlns:fb