XML introductory tutorial: XSLT-XML/XSLT code examples

XSLT is part of XSL, which is an application of XML that specifies the rules for converting an XML document into another XML document. An XSLT document is an XML document and a style sheet, which contains a series of templates. The XSLT processor compares the elements in the input XML document with the templates in the style sheet. If they match, the template's content is ​                     XSLT is a part of XSL, which is an application of XML that specifies the rules for converting one XML document into another XML document. An XSLT document is an XML document and a style sheet, which contains a series of templates. The XSLT processor compares elements in the input XML document with templates in the style sheet, and if they match, writes the contents of the template into an output tree. Finish
XSLT is part of XSL. It is an application of XML that specifies the rules for converting an XML document into another XML document. An XSLT document is an XML document and a style sheet, which contains a series of templates. The XSLT processor compares elements in the input XML document with templates in the style sheet, and if they match, writes the contents of the template into an output tree. After completing the processing, serialize the output tree into an XML document or
other format document, such as HTML or rtf. Several key terms of XSLT

• Source tree, the tree of elements and element content in the original document. ​​​​​​​

• The result tree is the tree of elements and element content in the document after conversion. ​ ​ ​ ​

• Template rules, the basis of XSLT style sheets, are divided into two parts:

  mode and template. The entire xsl:template element.                                                                                                                                                                           

• # Pattern, represents the set of conditions for elements in the source tree to match pattern rules. The value of match in xsl:template.                

• Template, indicating the part of the result tree to be instantiated when applying template rules. The content in the xsl:template element.

• XSLT

  defines 35 elements, divided into three categories:

• Two root elements

• xsl:stylesheet root element, XSLT is also an XML document, and the root element of the document is xsl:stylesheet. XSLT elements all belong to the namespace xmlns:xsl="http://www.w3.org/1999/XSL/Trans

  form", so all XSLT elements have the xsl prefix. A minimized XSLT document:

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

• xsl:transform element, the same effect as above.

• 13 top-level elements, which can be directly used as child elements of the root element, including:

xsl:apply-imports    
xsl:attribute-set    
xsl:decimal-format    
xsl:import    
xsl:include    
xsl:key    
xsl:namespace-alias    
xsl:output    
xsl:param    
xsl:preserve-space    
xsl:strip-space    
xsl:template模板元素，用于匹配XML文档中的元素。如：<xsl:template match="person">，
匹配XML文档中的person元素。    
xsl:variable



• 20 directive elements

xsl:apply-imports    
xsl:apply-template应用模板元素，用于显示指定的元素值(内容)。
如：<xsl:apply-template select="name">，显示name元素的值。    
xsl:attribute    
xsl:call-template    
xsl:choose    
xsl:comment    
xsl:copy    
xsl:copy-of    
xsl:element    
xsl:fallback    
xsl:for-each    
xsl:if    
xsl:message    
xsl:number    
xsl:otherwise    
xsl:processing-instruction    
xsl:text    
xsl:value-of选择元素，用于计算元素的值(内容)。
如：<xsl:value-of select="name">，获得XML文档中name元素的值(内容)。    
xsl:variable    
xsl:when    
XSLT函数

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