XSLT – apply-template

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<xsl:apply-template> tag signals the XSLT processor to find the appropriate template to apply, based on the type and context of each selected node.

Declaration

Following is the syntax declaration of <xsl:apply-template> element.

<xsl:apply-template 
   select = Expression 
   mode = QName > 
</xsl:apply-template> 

Attributes

Sr.NoName & Description
1selectUsed to process nodes selected by an XPath expression, instead of processing all the children.
2modeAllows an element as specified by its Qualified Names to be processed multiple times, each time producing a different result.

Elements

Number of occurrencesUnlimited
Parent elementsxsl:attribute, xsl:comment, xsl:copy, xsl:element, xsl:fallback, xsl:foreach, xsl:if, xsl:message, xsl:otherwise, xsl:param, xsl:processinginstruction, xsl:template, xsl:variable, xsl:when, xsl:with-param, output elements
Child elementsxsl:sort, xsl:with-param

Demo Example

This example creates a list of <student> element with its attribute rollno and its child <firstname>, <lastname>, <nickname>, and <marks> by iterating over each student.

students.xml

<?xml version = "1.0"?> 
<?xml-stylesheet type = "text/xsl" href = "students.xsl"?> 
<class> 
   <student rollno = "393"> 
      <firstname>Dinkar</firstname> 
      <lastname>Kad</lastname> 
      <nickname>Dinkar</nickname> 
      <marks>85</marks> 
   </student> 
   <student rollno = "493"> 
      <firstname>Vaneet</firstname> 
      <lastname>Gupta</lastname> 
      <nickname>Vinni</nickname> 
      <marks>95</marks> 
   </student> 
   <student rollno = "593"> 
      <firstname>Jasvir</firstname> 
      <lastname>Singh</lastname> 
      <nickname>Jazz</nickname> 
      <marks>90</marks> 
   </student> 
</class>

students.xsl

<?xml version = "1.0" encoding = "UTF-8"?> 
<xsl:stylesheet version = "1.0" 
   xmlns:xsl = "http://www.w3.org/1999/XSL/Transform">   
   <xsl:template match = "/"> 
      <html> 
         <body> 
            <h2>Students</h2> 
            <xsl:apply-templates select = "class/student" /> 
         </body> 
      </html> 
   </xsl:template>  

   <xsl:template match = "class/student"> 
      <xsl:apply-templates select = "@rollno" /> 
      <xsl:apply-templates select = "firstname" /> 
      <xsl:apply-templates select = "lastname" /> 
      <xsl:apply-templates select = "nickname" /> 
      <xsl:apply-templates select = "marks" /> 
      <br /> 
   </xsl:template>  

   <xsl:template match = "@rollno"> 
      <span style = "font-size = 22px;"> 
         <xsl:value-of select = "." /> 
      </span> 
      <br /> 
   </xsl:template>  

   <xsl:template match = "firstname"> 
      First Name:<span style = "color:blue;"> 
         <xsl:value-of select = "." /> 
      </span> 
      <br /> 
   </xsl:template>  

   <xsl:template match = "lastname"> 
      Last Name:<span style = "color:green;"> 
         <xsl:value-of select = "." /> 
      </span> 
      <br /> 
   </xsl:template>  

   <xsl:template match = "nickname"> 
      Nick Name:<span style = "color:red;"> 
         <xsl:value-of select = "." /> 
      </span> 
      <br /> 
   </xsl:template>  

   <xsl:template match = "marks"> 
      Marks:<span style = "color:gray;"> 
         <xsl:value-of select = "." /> 
      </span> 
      <br /> 
   </xsl:template>  
	
</xsl:stylesheet>

Output

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