XSLT <xsl:for-each> Element
The <xsl:for-each> element allows you to do looping in
XSLT.
The <xsl:for-each> Element
The XSL <xsl:for-each> element can be used to select every XML
element of a specified node-set:
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<h2>My CD Collection</h2>
<table border="1">
<tr bgcolor="#9acd32">
<th>Title</th>
<th>Artist</th>
</tr>
<xsl:for-each select="catalog/cd">
<tr>
<td><xsl:value-of select="title"/></td>
<td><xsl:value-of select="artist"/></td>
</tr>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
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Note: The value of the select attribute is an XPath
expression.
An XPath expression works like navigating a file system; where a forward slash (/) selects subdirectories.
The result of the transformation above will look like this:
My CD Collection
| Title |
Artist |
| Empire Burlesque |
Bob Dylan |
| Hide your heart |
Bonnie Tyler |
| Greatest Hits |
Dolly Parton |
| Still got the blues |
Gary More |
| Eros |
Eros Ramazzotti |
| One night only |
Bee Gees |
| Sylvias Mother |
Dr.Hook |
| Maggie May |
Rod Stewart |
| Romanza |
Andrea Bocelli |
| When a man loves a woman |
Percy Sledge |
| Black angel |
Savage Rose |
| 1999 Grammy Nominees |
Many |
| For the good times |
Kenny Rogers |
| Big Willie style |
Will Smith |
| Tupelo Honey |
Van Morrison |
| Soulsville |
Jorn Hoel |
| The very best of |
Cat Stevens |
| Stop |
Sam Brown |
| Bridge of Spies |
T`Pau |
| Private Dancer |
Tina Turner |
| Midt om natten |
Kim Larsen |
| Pavarotti Gala Concert |
Luciano Pavarotti |
| The dock of the bay |
Otis Redding |
| Picture book |
Simply Red |
| Red |
The Communards |
| Unchain my heart |
Joe Cocker |
View the XML file,
View the XSL file, and
View the result
Filtering the Output
We can also filter the output from the XML file by adding a criterion to the
select attribute in
the <xsl:for-each> element.
<xsl:for-each select="catalog/cd[artist='Bob Dylan']">
Legal filter operators are:
- = (equal)
- != (not equal)
- < less than
- > greater than
Take a look at the adjusted XSL style sheet:
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<h2>My CD Collection</h2>
<table border="1">
<tr bgcolor="#9acd32">
<th>Title</th>
<th>Artist</th>
</tr>
<xsl:for-each select="catalog/cd[artist='Bob Dylan']">
<tr>
<td><xsl:value-of select="title"/></td>
<td><xsl:value-of select="artist"/></td>
</tr>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
|
The result of the transformation above will look like this:My CD Collection
| Title |
Artist |
| Empire Burlesque |
Bob Dylan |
View the XML file,
View the XSL file,
View the result
 |
|
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