Here is a test of the id() : id « XSLT stylesheet « XML Tutorial

1. XML Tutorial
2. XSLT stylesheet
3. id

File: Data.xml

<?xml version="1.0"?>
<parts-list>
  <component component-id="1111111">
    <name>Book</name>
    <partref refid="1"/>
    <partref refid="2"/>
    <partref refid="3"/>
    <partref refid="4"/>
    <description>
       
        <partref refid="3"/>.
    </description>
  </component>
  <component component-id="5">
    <name>name 1</name>
    <partref refid="6"/>
    <partref refid="7"/>
    <description>
      <partref refid="6"/> and a 
      <partref refid="7"/>.
    </description>
  </component>

  <part part-id="6" supplier="4839">
    <name>Pitter</name>
    <description>
      desc6
    </description>
  </part>
  <part part-id="7" supplier="2983">
    <name>Patter</name>
    <description>
      desc7

    </description>
  </part>
  <part part-id="2" supplier="5910">
    <name>Spanner</name>
    <description>
      You can't fix anything without one.
    </description>
  </part>

  <supplier country="Great Britain" vendor-id="4839">
    <name>A Inc.</name>
  </supplier>
  <supplier country="Germany" vendor-id="2983">
    <name>D</name>
  </supplier>
  <supplier country="Great Britain" vendor-id="5910">
    <name>U Ltd.</name>
  </supplier>
</parts-list>

File: Transform.xslt
<?xml version="1.0"?>
<!-- id2.xsl -->
<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="text"/>

  <xsl:template match="/">
    <xsl:text>&#xA;Here is a test of the id() </xsl:text>
    <xsl:text>function in reverse:&#xA;</xsl:text>

    <xsl:for-each select="/parts-list/part">
      <xsl:text>&#xA;  </xsl:text>
      <xsl:value-of select="name"/>
      <xsl:text> (part #</xsl:text>
      <xsl:value-of select="@part-id"/>
      <xsl:text>) is used in these products:&#xA;    </xsl:text>
      <xsl:for-each 
        select="/parts-list/component
                [partref/@refid=current()/@part-id]">
        <xsl:value-of select="name"/>
        <xsl:if test="position() != last()">
          <xsl:text>&#xA;    </xsl:text>
        </xsl:if>
      </xsl:for-each>
      <xsl:text>&#xA;</xsl:text>
    </xsl:for-each>
  </xsl:template>
</xsl:stylesheet>

Output:



  

  
    
Here is a test of the id() 
    function in reverse:


    
      
  
      
       (part #
      
      ) is used in these products: