将平面 XML 转换为嵌套 XML [英] Converting a Flat XML to a Nested XML
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问题描述
我想弄清楚如何使用 xslt 将平面 xml 文件转换为嵌套的 xml 文件.下面是我试图转换的平面 xml 的示例.我正在使用 xslt 2,所以我可以使用分组命令,但我不知道如何.
I'm trying to figure out how to convert a flat xml file to a nested xml file using xslt. Below is an example of the flat xml that I'm trying to transform. I'm using xslt 2 so I can us the grouping commands but I don't know how.
我正在寻找的结果结构是:
The resulting structure I'm looking for is:
<sources>
<sourcetype>
<sourcetypename>Career Fair</sourcetypename>
<sourcelist>
<source>
<sourcename>Ann Arbor News Fair</sourcename>
<sourceid>CFE-10001</sourceid>
<eventlist>
<event>
<eventname></eventname>
<eventid></eventid>
</event>
</eventlist>
</source>
</sourcelist>
</sourcetype>
</sources>
--- 平面 XML ----
--- Flat XML ----
<?xml version="1.0" encoding="UTF-8"?>
<ExportXML xmlns:ns1="http://www.taleo.com/ws/integration/toolkit/2005/07" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.taleo.com/ws/integration/toolkit/2005/07" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
<record>
<field name="TypeName">Billboards</field>
<field name="SourceName">Billboard</field>
<field name="SourceID">BLD-200284</field>
<field name="EventName"></field>
<field name="EventID"></field>
<field name="State">Active</field>
</record>
<record>
<field name="TypeName">Career Fair</field>
<field name="SourceName">Ann Arbor News Fair</field>
<field name="SourceID">CFE-10001</field>
<field name="EventName"></field>
<field name="EventID"></field>
<field name="State">Active</field>
</record>
<record>
<field name="TypeName">Career Fair</field>
<field name="SourceName">Black Data Processing Association (BDPA) </field>
<field name="SourceID">CFE-10002</field>
<field name="EventName"></field>
<field name="EventID"></field>
<field name="State">Active</field>
</record>
<record>
<field name="TypeName">Career Fair</field>
<field name="SourceName">Career Concepts</field>
<field name="SourceID">CFE-10760</field>
<field name="EventName"></field>
<field name="EventID"></field>
<field name="State">Active</field>
</record>
</ExportXML>
推荐答案
嵌套一堆 for-each-group
元素开始看起来很讨厌,但它完成了工作:
Nesting a bunch of for-each-group
elements starts to look pretty nasty, but it gets the job done:
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:t="http://www.taleo.com/ws/integration/toolkit/2005/07">
<xsl:output omit-xml-declaration="yes" indent="yes"/>
<xsl:template match="/">
<sources>
<xsl:for-each-group select="/*/t:record"
group-by="t:field[@name='TypeName']">
<sourcetype>
<sourcetypename>
<xsl:value-of select="current-grouping-key()"/>
</sourcetypename>
<sourcelist>
<xsl:for-each-group select="current-group()"
group-by="t:field[@name='SourceID']">
<source>
<sourcename>
<xsl:value-of select="t:field[@name='SourceName']"/>
</sourcename>
<sourceid>
<xsl:value-of select="current-grouping-key()"/>
</sourceid>
<eventlist>
<xsl:for-each-group
select="current-group()" group-by="t:field[@name='EventID']">
<event>
<eventname>
<xsl:value-of
select="t:field[@name='EventName']"/>
</eventname>
<eventid>
<xsl:value-of
select="current-grouping-key()"/>
</eventid>
</event>
</xsl:for-each-group>
</eventlist>
</source>
</xsl:for-each-group>
</sourcelist>
</sourcetype>
</xsl:for-each-group>
</sources>
</xsl:template>
</xsl:stylesheet>
输出:
<sources xmlns:t="http://www.taleo.com/ws/integration/toolkit/2005/07">
<sourcetype>
<sourcetypename>Billboards</sourcetypename>
<sourcelist>
<source>
<sourcename>Billboard</sourcename>
<sourceid>BLD-200284</sourceid>
<eventlist>
<event>
<eventname/>
<eventid/>
</event>
</eventlist>
</source>
</sourcelist>
</sourcetype>
<sourcetype>
<sourcetypename>Career Fair</sourcetypename>
<sourcelist>
<source>
<sourcename>Ann Arbor News Fair</sourcename>
<sourceid>CFE-10001</sourceid>
<eventlist>
<event>
<eventname/>
<eventid/>
</event>
</eventlist>
</source>
<source>
<sourcename>Black Data Processing Association (BDPA) </sourcename>
<sourceid>CFE-10002</sourceid>
<eventlist>
<event>
<eventname/>
<eventid/>
</event>
</eventlist>
</source>
<source>
<sourcename>Career Concepts</sourcename>
<sourceid>CFE-10760</sourceid>
<eventlist>
<event>
<eventname/>
<eventid/>
</event>
</eventlist>
</source>
</sourcelist>
</sourcetype>
</sources>
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