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XML Tutorial/XPath/Abbreivation - История изменений
2026-04-04T12:08:09Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=XML_Tutorial/XPath/Abbreivation&diff=10717&oldid=prev
Admin: 1 версия
2010-05-26T08:26:50Z
<p>1 версия</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 08:26, 26 мая 2010</td>
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Admin
http://wbex.ru/index.php?title=XML_Tutorial/XPath/Abbreivation&diff=10716&oldid=prev
в 18:22, 25 мая 2010
2010-05-25T18:22:32Z
<p></p>
<p><b>Новая страница</b></p><div>== Axis child:: can be be omitted from a location step as it is the default axis.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
Axis attribute:: can be abbreviatet to @ <br />
. is short for self:: <br />
File: Data.xml<br />
<?xml version="1.0" encoding="utf-8"?><br />
<data><br />
<AAA id="a1" pos="start"><br />
<BBB id="b1"/><br />
<BBB id="b2"/><br />
</AAA><br />
<AAA id="a2"><br />
<BBB id="b3"/><br />
<BBB id="b4"/><br />
<CCC id="c1"><br />
<CCC id="c2"/><br />
</CCC><br />
<BBB id="b5"><br />
<CCC id="c3"/><br />
</BBB><br />
</AAA><br />
</data><br />
File: Transform.xslt<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsl:stylesheet<br />
version="1.0"<br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:template match="AAA"><br />
<H3><br />
<xsl:value-of select="name()"/><br />
<xsl:text/><br />
<xsl:value-of select="@id"/><br />
</H3><br />
<TABLE border="1"><br />
<TR><br />
<td>full</TH><br />
<td>abbreviated</TH><br />
</TR><br />
<TR><br />
<TD><br />
<xsl:text>child::BBB/attribute::id</xsl:text><br />
</TD><br />
<TD><br />
<xsl:text>BBB/@id</xsl:text><br />
</TD><br />
</TR><br />
<TR><br />
<TD><br />
<xsl:value-of select="child::BBB/attribute::id"/><br />
</TD><br />
<TD><br />
<xsl:value-of select="BBB/@id"/><br />
</TD><br />
</TR><br />
</TABLE><br />
</xsl:template><br />
</xsl:stylesheet><br />
<?xml version="1.0" encoding="UTF-8"?><br />
<H3>AAAa1</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>child::BBB/attribute::id</TD><TD>BBB/@id</TD></TR><TR><TD>b1</TD><TD>b1</TD></TR></TABLE><br />
<H3>AAAa2</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>child::BBB/attribute::id</TD><TD>BBB/@id</TD></TR><TR><TD>b3</TD><TD>b3</TD></TR></TABLE></source><br />
<br />
<br />
<br />
== Count elements and attributes==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<list xml:lang="en"><br />
<title>title 1</title><br />
<listitem>item 1</listitem><br />
<listitem>item 2</listitem><br />
<listitem>item 3</listitem><br />
<listitem xml:lang="sw">item 4</listitem><br />
<listitem xml:lang="en-gb">item 5</listitem><br />
<listitem xml:lang="zu">item 6</listitem><br />
<listitem xml:lang="jz">item 7</listitem><br />
</list><br />
File: Transform.xslt<br />
<?xml version="1.0"?><br />
<xsl:stylesheet version="1.0" <br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:output method="text"/><br />
<xsl:template match="/"><br />
<xsl:text>Your document contains </xsl:text><br />
<xsl:value-of select="count(//*)"/><br />
<xsl:text> elements and </xsl:text><br />
<xsl:value-of select="count(//@*)"/><br />
<xsl:text> attributes.&#xA;Have a great day!</xsl:text><br />
</xsl:template><br />
<br />
</xsl:stylesheet><br />
Output:<br />
Your document contains 9 elements and 5 attributes.<br />
Have a great day!</source><br />
<br />
<br />
<br />
== "//" has two meanings==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
When using "//" at the beginning of a location path, "//" selects all nodes in the document of the specified type. <br />
When using "//" in the middle of a location path, "//" selects all nodes which appear in the node selected with the first part of the location path.<br />
File: Data.xml<br />
<data><br />
<AAA id="a1" pos="start"><br />
<BBB id="b1"/><br />
<BBB id="b2"/><br />
</AAA><br />
<AAA id="a2"><br />
<BBB id="b3"/><br />
<BBB id="b4"/><br />
<CCC id="c1"><br />
<DDD id="d1"/><br />
</CCC><br />
<BBB id="b5"><br />
<CCC id="c2"/><br />
</BBB><br />
</AAA><br />
</data><br />
File: Transform.xslt<br />
<?xml version="1.0"?><br />
<xsl:stylesheet version="1.0" <br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:template match="/"><br />
<xsl:apply-templates select="//BBB"/><br />
<xsl:apply-templates select="//CCC"/><br />
<xsl:apply-templates select="//DDD"/><br />
<xsl:apply-templates select="//AAA"/><br />
</xsl:template><br />
<xsl:template match="AAA"><br />
<div style="color:navy"><br />
<xsl:value-of select="name()"/><br />
<xsl:text> id=</xsl:text><br />
<xsl:value-of select="@id"/><br />
</div><br />
</xsl:template><br />
<xsl:template match="BBB"><br />
<div style="color:purple"><br />
<xsl:value-of select="name()"/><br />
<xsl:text> id=</xsl:text><br />
<xsl:value-of select="@id"/><br />
</div><br />
</xsl:template><br />
<xsl:template match="CCC"><br />
<div style="color:red"><br />
<xsl:value-of select="name()"/><br />
<xsl:text> id=</xsl:text><br />
<xsl:value-of select="@id"/><br />
</div><br />
</xsl:template><br />
<xsl:template match="DDD"><br />
<div style="color:blue"><br />
<xsl:value-of select="name()"/><br />
<xsl:text> id=</xsl:text><br />
<xsl:value-of select="@id"/><br />
</div><br />
</xsl:template><br />
<br />
</xsl:stylesheet><br />
<?xml version="1.0" encoding="UTF-8"?><div style="color:purple">BBB id=b1</div><div style="color:purple">BBB id=b2</div><div style="color:purple">BBB id=b3</div><div style="color:purple">BBB id=b4</div><div style="color:purple">BBB id=b5</div><div style="color:red">CCC id=c1</div><div style="color:red">CCC id=c2</div><div style="color:blue">DDD id=d1</div><div style="color:navy">AAA id=a1</div><div style="color:navy">AAA id=a2</div></source><br />
<br />
<br />
<br />
== // is short for /descendant-or-self::==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0" encoding="utf-8"?><br />
<data><br />
<AAA id="a1" pos="start"><br />
<BBB id="b1"/><br />
<BBB id="b2"/><br />
</AAA><br />
<AAA id="a2"><br />
<BBB id="b3"/><br />
<BBB id="b4"/><br />
<CCC id="c1"><br />
<CCC id="c2"/><br />
</CCC><br />
<BBB id="b5"><br />
<CCC id="c3"/><br />
</BBB><br />
</AAA><br />
</data> <br />
File: Transform.xslt<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsl:stylesheet<br />
version="1.0"<br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:template match="CCC"><br />
<H3><br />
<xsl:value-of select="name()"/><br />
<xsl:text/><br />
<xsl:value-of select="@id"/><br />
</H3><br />
<TABLE border="1"><br />
<TR><br />
<td>full</TH><br />
<td>abbreviated</TH><br />
</TR><br />
<TR><br />
<TD><br />
<xsl:text>name(/descendant-or-self::*)</xsl:text><br />
</TD><br />
<TD><br />
<xsl:text>name(//*)</xsl:text><br />
</TD><br />
</TR><br />
<TR><br />
<TD><br />
<xsl:value-of select="name(/descendant-or-self::*)"/><br />
</TD><br />
<TD><br />
<xsl:value-of select="name(//*)"/><br />
</TD><br />
</TR><br />
</TABLE><br />
<xsl:apply-templates/><br />
</xsl:template><br />
</xsl:stylesheet> <br />
Output:<br />
<?xml version="1.0" encoding="UTF-8"?><br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<H3>CCCc1</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>name(/descendant-or-self::*)</TD><TD>name(//*)</TD></TR><TR><TD>data</TD><TD>data</TD></TR></TABLE><br />
<H3>CCCc2</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>name(/descendant-or-self::*)</TD><TD>name(//*)</TD></TR><TR><TD>data</TD><TD>data</TD></TR></TABLE><br />
<br />
<br />
<H3>CCCc3</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>name(/descendant-or-self::*)</TD><TD>name(//*)</TD></TR><TR><TD>data</TD><TD>data</TD></TR></TABLE></source><br />
<br />
<br />
<br />
== .. is short for parent::==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0" encoding="utf-8"?><br />
<data><br />
<AAA id="a1" pos="start"><br />
<BBB id="b1"/><br />
<BBB id="b2"/><br />
</AAA><br />
<AAA id="a2"><br />
<BBB id="b3"/><br />
<BBB id="b4"/><br />
<CCC id="c1"><br />
<CCC id="c2"/><br />
</CCC><br />
<BBB id="b5"><br />
<CCC id="c3"/><br />
</BBB><br />
</AAA><br />
</data> <br />
File: Transform.xslt<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsl:stylesheet<br />
version="1.0"<br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:template match="BBB"><br />
<H3><br />
<xsl:value-of select="name()"/><br />
<xsl:text/><br />
<xsl:value-of select="@id"/><br />
</H3><br />
<TABLE border="1"><br />
<TR><br />
<td>full</TH><br />
<td>abbreviated</TH><br />
</TR><br />
<TR><br />
<TD><br />
<xsl:text>parent::*/attribute::id</xsl:text><br />
</TD><br />
<TD><br />
<xsl:text>../@id</xsl:text><br />
</TD><br />
</TR><br />
<TR><br />
<TD><br />
<xsl:value-of select="parent::*/attribute::id"/><br />
</TD><br />
<TD><br />
<xsl:value-of select="../@id"/><br />
</TD><br />
</TR><br />
</TABLE><br />
</xsl:template><br />
</xsl:stylesheet><br />
Output:<br />
<?xml version="1.0" encoding="UTF-8"?><br />
<br />
<H3>BBBb1</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>parent::*/attribute::id</TD><TD>../@id</TD></TR><TR><TD>a1</TD><TD>a1</TD></TR></TABLE><br />
<H3>BBBb2</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>parent::*/attribute::id</TD><TD>../@id</TD></TR><TR><TD>a1</TD><TD>a1</TD></TR></TABLE><br />
<br />
<br />
<H3>BBBb3</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>parent::*/attribute::id</TD><TD>../@id</TD></TR><TR><TD>a2</TD><TD>a2</TD></TR></TABLE><br />
<H3>BBBb4</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>parent::*/attribute::id</TD><TD>../@id</TD></TR><TR><TD>a2</TD><TD>a2</TD></TR></TABLE><br />
<br />
<br />
<br />
<H3>BBBb5</H3><TABLE border="1"><TR><td>full</TH><td>abbreviated</TH></TR><TR><TD>parent::*/attribute::id</TD><TD>../@id</TD></TR><TR><TD>a2</TD><TD>a2</TD></TR></TABLE></source><br />
<br />
<br />
<br />
== List the elements in an xml document==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<list xml:lang="en"><br />
<title>title 1</title><br />
<listitem>item 1</listitem><br />
<listitem>item 2</listitem><br />
<listitem>item 3</listitem><br />
<listitem xml:lang="sw">item 4</listitem><br />
<listitem xml:lang="en-gb">item 5</listitem><br />
<listitem xml:lang="zu">item 6</listitem><br />
<listitem xml:lang="jz">item 7</listitem><br />
</list><br />
<br />
File: Transform.xslt<br />
<?xml version="1.0"?><br />
<xsl:stylesheet version="2.0" <br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:output method="text"/><br />
<xsl:template match="/"><br />
<xsl:value-of><br />
<xsl:text>Here is a list of the </xsl:text><br />
<xsl:value-of select="count(//*)"/><br />
<xsl:text> elements in your document:&#xA;&#xA;</xsl:text><br />
</xsl:value-of><br />
<xsl:value-of select="//*/name()" separator="&#xA;"/><br />
</xsl:template><br />
<br />
</xsl:stylesheet><br />
Output:<br />
Here is a list of the 9 elements in your document:<br />
list<br />
title<br />
listitem<br />
listitem<br />
listitem<br />
listitem<br />
listitem<br />
listitem<br />
listitem</source><br />
<br />
<br />
<br />
== template match="/"==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<list xml:lang="en"><br />
<title>title 1</title><br />
<listitem>item 1</listitem><br />
<listitem>item 2</listitem><br />
<listitem>item 3</listitem><br />
<listitem xml:lang="sw">item 4</listitem><br />
<listitem xml:lang="en-gb">item 5</listitem><br />
<listitem xml:lang="zu">item 6</listitem><br />
<listitem xml:lang="jz">item 7</listitem><br />
</list><br />
File: Transform.xslt<br />
<br />
<?xml version="1.0"?><br />
<xsl:stylesheet version="1.0"<br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:output method="xml"/><br />
<xsl:template match="/"><br />
<xsl:copy-of select="."/><br />
</xsl:template><br />
</xsl:stylesheet><br />
Output:<br />
<?xml version="1.0" encoding="UTF-8"?><list xml:lang="en"><br />
<title>title 1</title><br />
<listitem>item 1</listitem><br />
<listitem>item 2</listitem><br />
<listitem>item 3</listitem><br />
<listitem xml:lang="sw">item 4</listitem><br />
<listitem xml:lang="en-gb">item 5</listitem><br />
<listitem xml:lang="zu">item 6</listitem><br />
<listitem xml:lang="jz">item 7</listitem><br />
</list></source><br />
<br />
<br />
<br />
== template match="*" (asterisk)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<list xml:lang="en"><br />
<title>title 1</title><br />
<listitem>item 1</listitem><br />
<listitem>item 2</listitem><br />
<listitem>item 3</listitem><br />
<listitem xml:lang="sw">item 4</listitem><br />
<listitem xml:lang="en-gb">item 5</listitem><br />
<listitem xml:lang="zu">item 6</listitem><br />
<listitem xml:lang="jz">item 7</listitem><br />
</list><br />
File: Transform.xslt<br />
<?xml version="1.0"?><br />
<xsl:stylesheet version="1.0"<br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:output method="xml"/><br />
<xsl:template match="*"><br />
<xsl:copy/><br />
</xsl:template><br />
</xsl:stylesheet><br />
Output:<br />
<?xml version="1.0" encoding="UTF-8"?><list/></source><br />
<br />
<br />
<br />
== template match="brand|name|units"==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0" encoding="utf-8"?><br />
<report month="8" year="2006"><br />
<title>Chocolate bar sales</title><br />
<brand><br />
<name>Lindt</name><br />
<units>27408</units><br />
</brand><br />
<brand><br />
<name>Callebaut</name><br />
<units>8203</units><br />
</brand><br />
</report><br />
File: Transform.xslt<br />
<?xml version="1.0"?><br />
<xsl:stylesheet version="1.0"<br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:output method="xml"/><br />
<xsl:template match="report"><br />
<report><br />
<xsl:apply-templates select="brand"/><br />
</report><br />
</xsl:template><br />
<xsl:template match="brand|name|units"><br />
<xsl:copy><br />
<xsl:apply-templates/><br />
</xsl:copy> <br />
</xsl:template><br />
</xsl:stylesheet><br />
Output:<br />
<?xml version="1.0" encoding="UTF-8"?><report><brand><br />
<name>Lindt</name><br />
<units>27408</units><br />
</brand><brand><br />
<name>Callebaut</name><br />
<units>8203</units><br />
</brand></report></source><br />
<br />
<br />
<br />
== value-of select="."==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<greeting><br />
Hello, World!<br />
</greeting><br />
<br />
File: Transform.xslt<br />
<?xml version="1.0"?><br />
<xsl:stylesheet version="1.0" <br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:output method="html"/><br />
<xsl:template match="/"><br />
<xsl:apply-templates select="greeting"/><br />
</xsl:template><br />
<br />
<xsl:template match="greeting"><br />
<html><br />
<body><br />
<h1><br />
<xsl:value-of select="."/><br />
</h1><br />
</body><br />
</html><br />
</xsl:template><br />
</xsl:stylesheet><br />
Output:<br />
<html><br />
<body><br />
<h1><br />
Hello, World!<br />
<br />
</h1><br />
</body><br />
</html></source><br />
<br />
<br />
<br />
== Wildcard "*" selects all possibilities==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Data.xml<br />
<?xml version="1.0" encoding="utf-8"?><br />
<employee><br />
<firstName>Joe</firstName><br />
<surname>Smith</surname><br />
</employee><br />
File: Transform.xslt<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsl:stylesheet<br />
version="1.0"<br />
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:template match="*"><br />
<div><br />
<xsl:text>[template: </xsl:text><br />
<xsl:value-of select="name()"/><br />
<xsl:text> outputs </xsl:text><br />
<xsl:apply-templates/><br />
<xsl:text> ]</xsl:text><br />
</div><br />
</xsl:template><br />
</xsl:stylesheet><br />
Output:<br />
<?xml version="1.0" encoding="UTF-8"?><div>[template: employee outputs <br />
<div>[template: firstName outputs Joe ]</div><br />
<div>[template: surname outputs Smith ]</div><br />
]</div></source></div>