[英]XSLT group by child nodes under each parent
我在弄清楚如何在for循環之類的子循環中按子節點分組時遇到了一些麻煩。 起始XML看起來像這樣(省略了一些節點):
<Report>
<LAC_SalesOrderId>
<APL>
<LAC_Customer>09680001</LAC_Customer>
</APL>
<Detail>
<LACRecId_DONOT_CHANGE_Textbox169>5637144820</LACRecId_DONOT_CHANGE_Textbox169>
<LAC_MarkupTransLines>
<MarkupTrans>
<Detail_Collection>
<Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</Detail>
<Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Frakt</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</Detail>
<Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</Detail>
</Detail_Collection>
</MarkupTrans>
</LAC_MarkupTransLines>
</Detail>
</LAC_SalesOrderId>
<LAC_SalesOrderId>
<APL>
<LAC_Customer>09680002</LAC_Customer>
</APL>
<Detail>
<LACRecId_DONOT_CHANGE_Textbox169>5637144821</LACRecId_DONOT_CHANGE_Textbox169>
<LAC_MarkupTransLines>
<MarkupTrans>
<Detail_Collection>
<Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>20,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</Detail>
<Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Frakt</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>30,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</Detail>
<Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>20,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</Detail>
</Detail_Collection>
</MarkupTrans>
</LAC_MarkupTransLines>
</Detail>
</LAC_SalesOrderId>
</Report>
理想的結果將是:
<Report>
<LAC_SalesOrderId>
<APL>
<LAC_Customer>09680001</LAC_Customer>
</APL>
<Detail>
<LACRecId_DONOT_CHANGE_Textbox169>5637144820</LACRecId_DONOT_CHANGE_Textbox169>
<LAC_MarkupTransLines>
<MarkupTrans>
<Detail_Collection>
<MarkupCode>
<Code>Avgift</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
<MarkupCode>
<Code>Frakt</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Frakt</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
</Detail_Collection>
</MarkupTrans>
</LAC_MarkupTransLines>
</Detail>
</LAC_SalesOrderId>
<LAC_SalesOrderId>
<APL>
<LAC_Customer>09680002</LAC_Customer>
</APL>
<Detail>
<LACRecId_DONOT_CHANGE_Textbox169>5637144821</LACRecId_DONOT_CHANGE_Textbox169>
<LAC_MarkupTransLines>
<MarkupTrans>
<Detail_Collection>
<MarkupCode>
<Code>Avgift</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>20,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>20,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
<MarkupCode>
<Code>Frakt</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Frakt</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>30,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
</Detail_Collection>
</MarkupTrans>
</LAC_MarkupTransLines>
</Detail>
</LAC_SalesOrderId>
</Report>
到目前為止,我有這個XSLT:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:key name="groups" match="//FIELD_MarkupTrans_MarkupCode" use="."/>
<xsl:template match="@* | node()">
<xsl:copy>
<xsl:apply-templates select="@* | node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="//LAC_MarkupTransLines/MarkupTrans/Detail_Collection">
<Detail_Collection>
<xsl:apply-templates select="Detail/MarkupTrans_Detail/FIELD_MarkupTrans_MarkupCode[generate-id() = generate-id(key('groups', .)[1])]"/>
</Detail_Collection>
</xsl:template>
<xsl:template match="FIELD_MarkupTrans_MarkupCode">
<xsl:variable name="currentGroup" select="."/>
<MarkupCode>
<xsl:copy-of select="../FIELD_MarkupTrans_MarkupCode"/>
<xsl:for-each select="key('groups', $currentGroup)">
<xsl:copy-of select="../.."/>
</xsl:for-each>
</MarkupCode>
</xsl:template>
</xsl:stylesheet>
問題在於,所有MarkupTrans_Detail節點都分組在第一個LAC_SalesOrderId下,但是我需要將它們按每個LAC_SalesOrderId進行拆分。 我相信我缺少明顯的東西,希望有人可以幫助我解決:)
嘗試這種方式:
XSLT 1.0
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:strip-space elements="*"/>
<xsl:key name="grp" match="MarkupTrans_Detail" use="concat(FIELD_MarkupTrans_MarkupCode, '|', generate-id(ancestor::LAC_SalesOrderId))"/>
<!-- identity transform -->
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="Detail_Collection">
<xsl:copy>
<xsl:for-each select="Detail//MarkupTrans_Detail[generate-id() = generate-id(key('grp', concat(FIELD_MarkupTrans_MarkupCode, '|', generate-id(ancestor::LAC_SalesOrderId)))[1])]">
<MarkupCode>
<Code>
<xsl:value-of select="FIELD_MarkupTrans_MarkupCode"/>
</Code>
<xsl:apply-templates select="key('grp', concat(FIELD_MarkupTrans_MarkupCode, '|', generate-id(ancestor::LAC_SalesOrderId)))"/>
</MarkupCode>
</xsl:for-each>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
應用於您的輸入示例,結果將是:
<?xml version="1.0" encoding="UTF-8"?>
<Report>
<LAC_SalesOrderId>
<APL>
<LAC_Customer>09680001</LAC_Customer>
</APL>
<Detail>
<LACRecId_DONOT_CHANGE_Textbox169>5637144820</LACRecId_DONOT_CHANGE_Textbox169>
<LAC_MarkupTransLines>
<MarkupTrans>
<Detail_Collection>
<MarkupCode>
<Code>Avgift</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
<MarkupCode>
<Code>Frakt</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Frakt</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>10,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
</Detail_Collection>
</MarkupTrans>
</LAC_MarkupTransLines>
</Detail>
</LAC_SalesOrderId>
<LAC_SalesOrderId>
<APL>
<LAC_Customer>09680002</LAC_Customer>
</APL>
<Detail>
<LACRecId_DONOT_CHANGE_Textbox169>5637144821</LACRecId_DONOT_CHANGE_Textbox169>
<LAC_MarkupTransLines>
<MarkupTrans>
<Detail_Collection>
<MarkupCode>
<Code>Avgift</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>20,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Avgift</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>20,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
<MarkupCode>
<Code>Frakt</Code>
<MarkupTrans_Detail>
<FIELD_MarkupTrans_MarkupCode>Frakt</FIELD_MarkupTrans_MarkupCode>
<FIELD_MarkupTrans_Value>30,00</FIELD_MarkupTrans_Value>
</MarkupTrans_Detail>
</MarkupCode>
</Detail_Collection>
</MarkupTrans>
</LAC_MarkupTransLines>
</Detail>
</LAC_SalesOrderId>
</Report>
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