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XML -- Technologien, Grundlagen, Validierung, Auswertung
book

XML -- Technologien, Grundlagen, Validierung, Auswertung

by Wilfried Grupe
May 2018
Intermediate to advanced
680 pages
15h 54m
German
mitp Verlag
Content preview from XML -- Technologien, Grundlagen, Validierung, Auswertung

XPath: for-each

Die XPath-Funktion for-each fordert zwei Parameter ein: a) ein oder mehrere Items als Sequenz, b) eine Funktion, die für jedes Item dieser Sequenz aufgerufen wird.

Verwendung findet die anonyme Funktion auch in der XPath-Funktion for-each, die zwei Parameter einfordert:

  • ein oder mehrere Items als Sequenz,
  • eine Funktion, die für jedes Item der o.a. Sequenz aufgerufen wird.

So generieren die Argumente

  • Sequenz 1: (10 to 20)[. mod 2 = 1] (gibt alle ungeraden Zahlen zwischen 10 und 20 zurück)
  • Funktion : function($p1){$p1*100} (multipliziert jeden dieser Parameter mit 100)
 <xsl:template match="/"> <root> <xsl:for-each select="fn:for-each( (10 to 20)[. mod 2 = 1], function($p1){$p1*100})"> <wert> <xsl:value-of select="."/> </wert> ...
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Publisher Resources

ISBN: 9783958457560