1
<DataSet xmlns="http://www.atcomp.cz/webservices">
<xs:schema xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" id="file_mame">...</xs:schema>
<diffgr:diffgram xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" xmlns:diffgr="urn:schemas-microsoft-com:xml-diffgram-v1">
<alldata xmlns="">
<category diffgr:id="category1" msdata:rowOrder="0">
<category_code>P.../category_code>
<category_name>...</category_name>
<subcategory diffgr:id="subcategory1" msdata:rowOrder="0">
<category_code>...</category_code>
<subcategory_code>...</subcategory_code>
<subcategory_name>...</subcategory_name>
</subcategory>
....
如何获取所有categories
和subcategories
的数据?用Nokogiri解析XML文件?
我想是这样的:
reader.xpath('//DataSet/diffgr:diffgram/alldata').each do |node|
但是这给了我:
undefined method `xpath' for #<Nokogiri::XML::Reader:0x000001021d1750>
感谢你回答约翰,但不幸的是,脚本不进入循环=>所以解析不会开始 – user984621 2012-07-17 19:12:05
此外,我只是试图打印出'put doc',结果只是'<?xml version =“1.0”?>'' ,这很奇怪 – user984621 2012-07-17 19:22:13
它听起来像你的'my_ document_string_or_io'是空的 – 2012-07-17 21:34:21