Download What is XSLT.mp4
XSLT stands for eXtensible Stylesheet Language Transformations. It is a language used for transforming XML documents into other formats such as:
-
Another XML document
-
HTML
-
Plain text
-
Or any text-based format
🧠 Purpose of XSLT:
XSLT allows you to define rules for how to transform an XML document's structure and content. It's particularly useful when you need to:
-
Display XML data as HTML for web browsers
-
Convert one XML schema to another
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Extract parts of an XML document
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Reformat data for different systems
🔧 How XSLT Works:
XSLT works by using templates that match elements in the XML document and specify how to transform them.
An XSLT stylesheet is itself an XML document, using elements from the XSLT namespace (http://www.w3.org/1999/XSL/Transform).
✅ Simple Example:
XML Input:
<person>
<name>John</name>
<age>30</age>
</person>
XSLT Stylesheet:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/person">
<html>
<body>
<h1>Person Info</h1>
<p>Name: <xsl:value-of select="name"/></p>
<p>Age: <xsl:value-of select="age"/></p>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Output (HTML):
<html>
<body>
<h1>Person Info</h1>
<p>Name: John</p>
<p>Age: 30</p>
</body>
</html>
📌 Key Features of XSLT:
-
Uses XPath to navigate XML documents.
-
Supports conditional logic (
<xsl:if>,<xsl:choose>). -
Allows iteration over elements (
<xsl:for-each>). -
Modular via
<xsl:include>or<xsl:import>. -
Output can be controlled via
<xsl:output>.
🛠️ Tools that Support XSLT:
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Browsers like Chrome, Firefox (though limited today)
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Java processors (e.g., Xalan, Saxon)
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.NET (
System.Xml.Xsl) -
Command-line tools (
xsltproc, etc.)
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