XSLT Tutorial

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7.

L'elaborazione comincia sempre con il template match="/" che individua il nodo radice (il nodo il cui unico figlio è il documento sorgente). Molti stylesheets non contengono esplicitamente questo elemento e in questo caso viene usato il template implicito (it contains as the sole instruction) che dice: elabora tutti i figli del nodo corrente, inclusi i nodi di testo. Confronta questo stylesheet e questo stylesheet. Quando c'è un template per il nodo, non viene richiamata l'elaborazione default (vedi questo stylesheet). Se si vogliono includere i discendenti del nodo, occorre richiedere esplicitamente i loro template (vedi questo stylesheet ).

XSLT stylesheet 1

XML Source

Output

HTML view

AAA id=a1

AAA id=a2

XSLT stylesheet

XSLT stylesheet 2

XML Source

Output

HTML view

AAA id=a1

AAA id=a2

XSLT stylesheet

XSLT stylesheet 3

XML Source

Output

HTML view

AAA id=a1

AAA id=a2

XSLT stylesheet

<xsl:stylesheet version = '1.0'
     xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>

<xsl:template match="AAA">
     <div style="color:purple">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
</xsl:template>

<xsl:template match="BBB">
     <div style="color:blue">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
</xsl:template>

<xsl:template match="CCC">
     <div style="color:maroon">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
</xsl:template>

<xsl:template match="DDD">
     <div style="color:green">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
</xsl:template>

</xsl:stylesheet>

XSLT stylesheet 4

XML Source

Output

HTML view

AAA id=a1

BBB id=b1

BBB id=b2

AAA id=a2

BBB id=b3

BBB id=b4

CCC id=c1

DDD id=d1

BBB id=b5

CCC id=c2

XSLT stylesheet

<xsl:stylesheet version = '1.0'
     xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>

<xsl:template match="/">
     <xsl:apply-templates/>
</xsl:template>

<xsl:template match="/xslTutorial">
     <xsl:apply-templates/>
</xsl:template>

<xsl:template match="AAA">
     <div style="color:purple">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
     <xsl:apply-templates/>
</xsl:template>

<xsl:template match="BBB">
     <div style="color:blue">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
     <xsl:apply-templates/>
</xsl:template>

<xsl:template match="CCC">
     <div style="color:maroon">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
     <xsl:apply-templates/>
</xsl:template>

<xsl:template match="DDD">
     <div style="color:green">
          <xsl:value-of select="name()"/>
          <xsl:text> id=</xsl:text>
          <xsl:value-of select="@id"/>
     </div>
</xsl:template>

</xsl:stylesheet>