XML Tutorial/XSLT stylesheet/value of

Материал из Web эксперт
Версия от 11:26, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
(разн.) ← Предыдущая | Текущая версия (разн.) | Следующая → (разн.)
Перейти к: навигация, поиск

output an element only if it has a value.

   <source lang="xml">

File: Data.xml <?xml version="1.0" encoding="utf-8"?>

<element> element 1 </element> <element> element 2 </element> <element/> <element/> <element> element 3</element>

File: Transform.xslt <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet 

     version="1.0"
     xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   <xsl:template match="table">
<xsl:for-each select="element"> <xsl:apply-templates select="."/> </xsl:for-each> 
   </xsl:template>
   <xsl:template match="element">
     <xsl:variable name="tmp">
       <xsl:value-of select="."/>
     </xsl:variable>
     <xsl:if test="boolean(normalize-space($tmp))">
       <TR>
         <TD>
           <xsl:value-of select="$tmp"/>
         </TD>
       </TR>
     </xsl:if>
   </xsl:template>

</xsl:stylesheet> Output:

<?xml version="1.0" encoding="UTF-8"?>
element 1
element 2
element 3
</source>


Select value from an element

   <source lang="xml">

File: Data.xml <?xml version = "1.0"?> <product> 

     <subject>
        Visual C++ 
     </subject>
     <subject>C How to Program</subject>

</product> File: Transform.xslt <?xml version = "1.0"?> <xsl:stylesheet version="1.0" 

 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:template match="/product">
   
     <xsl:value-of select="subject" />
   
 </xsl:template>

</xsl:stylesheet> Output: <?xml version="1.0" encoding="UTF-8"?> 

        Visual C++ 
     </source>

the output without empty elements removal

   <source lang="xml">

File: Data.xml <?xml version="1.0" encoding="utf-8"?>

<element> element 1 </element> <element> element 2 </element> <element/> <element/> <element> element 3</element>

File: Transform.xslt <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet 

     version="1.0"
     xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   <xsl:template match="table">
<xsl:for-each select="element"> <xsl:apply-templates select="."/> </xsl:for-each> 
   </xsl:template>
   <xsl:template match="element">
     <TR>
       <TD>
         <xsl:value-of select="."/>
       </TD>
     </TR>
   </xsl:template>

</xsl:stylesheet> Output:

<?xml version="1.0" encoding="UTF-8"?>
element 1
element 2
element 3
</source>


Use value-of to get element value from different level

   <source lang="xml">

File: Data.xml <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="Transform.xslt"?> <BOOK> 

  <TITLE>Jack</TITLE>
  <AUTHOR>
     <FIRSTNAME>Jack</FIRSTNAME>
     <LASTNAME>Smith</LASTNAME>
  </AUTHOR>
  <BINDING>hardcover</BINDING>
  <PAGES>724</PAGES>
  <PRICE>$9.95</PRICE>

</BOOK> File: Transform.xslt <?xml version="1.0"?> <xsl:stylesheet 

  version="1.0" 
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:template match="/">  
     <HTML>
     <HEAD>
        <TITLE>Book Description</TITLE>
     </HEAD>
     <BODY>

Book Description

     Author: 
     <xsl:value-of select="BOOK/AUTHOR"/>

     Title: 
     <xsl:value-of select="BOOK/TITLE"/>

     Price: 
     <xsl:value-of select="BOOK/PRICE"/>

     Binding type: 
     <xsl:value-of select="BOOK/BINDING"/>

     Number of pages: 
     <xsl:value-of select="BOOK/PAGES"/>
     </BODY>
     </HTML>
  </xsl:template>

</xsl:stylesheet> Output: <HTML> 

  <HEAD>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
     <TITLE>Book Description</TITLE>
  </HEAD>
  <BODY>

Book Description

Author: 
     Jack
     Smith
     
Title: Jack
Price: $9.95
Binding type: hardcover
Number of pages: 724
  </BODY>

</HTML></source>


value-of select="."

   <source lang="xml">

File: Data.xml <?xml version="1.0"?> <greeting> 

 Hello, World!

</greeting> File: Transform.xslt

<xsl:stylesheet 

 xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
 version="1.0">
 <xsl:output method="html"/>
 <xsl:template match="/">
   <xsl:apply-templates select="greeting"/>
 </xsl:template>
 
 <xsl:template match="greeting">
   <html>
     <body>

<xsl:value-of select="."/>

     </body>
   </html>
 </xsl:template>

</xsl:stylesheet> Output: <html> 

  <body>

Hello, World!

  </body>

</html></source>


value-of select=cars/manufacturer/@name separator=,

   <source lang="xml">

File: Data.xml <?xml version="1.0" encoding="utf-8"?> <cars> 

 <manufacturer name="Chevrolet">
   <car>Cavalier</car>
   <car>Corvette</car>
   <car>Impala</car>
   <car>Malibu</car>
 </manufacturer>

</cars> File: Transform.xslt <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="2.0" 

 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:output method="text"/>
 <xsl:template match="/">
   <xsl:value-of select="cars/manufacturer/@name" separator=", "/>
 </xsl:template>

</xsl:stylesheet> Output: Chevrolet</source>


value-of select=format-date($date, [M01]/[D01]/[Y0001])

   <source lang="xml">

File: Transform.xslt <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="2.0" 

 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 xmlns:xs="http://www.w3.org/2001/XMLSchema">
 <xsl:output method="text"/>
 <xsl:template match="/">
   <xsl:call-template name="date-formatter">
     <xsl:with-param name="date" select="current-date()"/>
   </xsl:call-template>
 </xsl:template>
 <xsl:template name="date-formatter">
   <xsl:param name="date" as="xs:date" required="yes"/>
   <xsl:value-of select="format-date($date, "[M01]/[D01]/[Y0001]")"/>
 </xsl:template>

</xsl:stylesheet> Output: 12/11/2008</source>


value-of select=replace($sub2, ', '')

   <source lang="xml">

File: Data.xml <?xml version="1.0" encoding="utf-8"?>

  • T
  • S
  • W

File: Transform.xslt <?xml version="1.0"?> <xsl:stylesheet version="2.0" 

 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:output method="text"/>
 <xsl:template match="/">
   <xsl:apply-templates select="ul/li"/>
 </xsl:template>
 <xsl:template match="li">
   <xsl:variable name="sub1" select="replace(., "&", "^&")"/>
   <xsl:variable name="sub2" select="replace($sub1, "\|", "^|")"/>
   <xsl:value-of select="replace($sub2, "'", "''")"/>
   <xsl:text>
</xsl:text>
 </xsl:template>

</xsl:stylesheet> Output: T S W</source>

Источник — «http://wbex.ru/index.php?title=XML_Tutorial/XSLT_stylesheet/value_of&oldid=10777»