Group by department : for each group « XSLT stylesheet « XML

1. XML
2. XSLT stylesheet
3. for each group

Group by department

File: Data.xml

<?xml version="1.0"?>
<staff>
  <employee name="J" department="sales" />
  <employee name="B" department="personnel" />
  <employee name="C" department="transport" />
  <employee name="W" department="personnel" />
  <employee name="M" department="sales" />
</staff>


File: Transform.xslt

<?xml version="1.0"?>
<xsl:stylesheet version="2.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="html" indent="yes" />

  <xsl:template match="staff">
    <xsl:for-each-group select="employee" group-by="@department">
      <h2>
        <xsl:value-of select="current-grouping-key()" />
        <xsl:text> department</xsl:text>
      </h2>
      <xsl:for-each select="current-group()">
        <p>
          <xsl:value-of select="@name" />
        </p>
      </xsl:for-each>
    </xsl:for-each-group>
  </xsl:template>


</xsl:stylesheet>

Output:

<h2>sales department</h2>
<p>J</p>
<p>M</p>
<h2>personnel department</h2>
<p>B</p>
<p>W</p>
<h2>transport department</h2>
<p>C</p>

 

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