XML Tutorial/XSLT stylesheet/select — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Текущая версия на 08:26, 26 мая 2010
Содержание
- 1 Get value from an element with value-of and select
- 2 Match a certain element
- 3 match parent and select children
- 4 Match parent and select grand-children
- 5 select attribute
- 6 select=count(document(other.xml)/eu/other/state)
- 7 select element and attribute
- 8 select element by attribute value
- 9 select element by index
- 10 Select element out
- 11 Selecting elements based on values of other ones.
- 12 select="@*|node()"
- 13 select="operand[(. < 50) and (. > 30)]"
- 14 select="state[not(@founding)]"
- 15 select value from attribute
Get value from an element with value-of and select
File: Data.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<?xml-stylesheet type="text/xsl" href="Transform.xslt"?>
<greeting>Hello, world!</greeting>
File: Transform.xslt
<?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>
<head>
<title>Today"s greeting</title>
</head>
<body>
<paragraph>
<xsl:value-of select="greeting" />
</p>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Output:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Today"s greeting</title>
</head>
<body>
<paragraph>Hello, world!</p>
</body>
</html>
Match a certain element
File: Data.xml
<poem year="1667" type="epic">
<verse>line 3</verse>
<verse>line 4</verse>
</poem>
File: Transform.xslt
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:template match="poem">
<ode>
<author>Jack</author>
<year>
<xsl:value-of select="@year" />
</year>
<xsl:apply-templates />
</ode>
</xsl:template>
<xsl:template match="verse">
<verse>
<xsl:apply-templates />
</verse>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><ode><author>Jack</author><year>1667</year>
<verse>line 3</verse>
<verse>line 4</verse>
</ode>
match parent and select children
File: Data.xml
<wine grape="Las">
<winery>Moti</winery>
<year>1998</year>
<prices>
<list>13.99</list>
<discounted>11.99</discounted>
<case>143.50</case>
</prices>
</wine>
File: Transform.xslt
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:output method="xml" omit-xml-declaration="yes" indent="no" />
<xsl:template match="wine">
<xsl:value-of select="price" />
</xsl:template>
</xsl:stylesheet>
Match parent and select grand-children
File: Data.xml
<wine grape="Las">
<winery>Moti</winery>
<year>1998</year>
<prices>
<list>13.99</list>
<discounted>11.99</discounted>
<case>143.50</case>
</prices>
</wine>
File: Transform.xslt
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:output method="xml" omit-xml-declaration="yes" indent="no" />
<xsl:template match="wine">
<xsl:value-of select="prices/retail" />
</xsl:template>
</xsl:stylesheet>
select attribute
File: Data.xml
<poem year="1667" type="epic">
<verse>line 3</verse>
<verse>line 4</verse>
</poem>
File: Transform.xslt
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:template match="poem">
<xsl:element name="ode">
<xsl:element name="author">Jack</xsl:element>
<xsl:element name="year">
<xsl:value-of select="@year" />
</xsl:element>
<xsl:apply-templates />
</xsl:element>
</xsl:template>
<xsl:template match="verse">
<verse>
<xsl:apply-templates />
</verse>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><ode><author>Jack</author><year>1667</year>
<verse>line 3</verse>
<verse>line 4</verse>
</ode>
select=count(document(other.xml)/eu/other/state)
File: Data.xml
<?xml version="1.0" encoding="UTF-8"?>
<eu>
<member>
<state>Austria</state>
<state founding="yes">Belgium</state>
</member>
<candidate>
<state>Poland</state>
<state>Romania</state>
<state>Slovakia</state>
<state>Slovenia</state>
<state>Turkey</state>
</candidate>
</eu>
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:output method="xml" indent="yes" />
<xsl:template match="eu">
<xsl:copy>
<xsl:comment>
<xsl:text>Member states: </xsl:text>
<xsl:value-of select="count(member/state)" />
</xsl:comment>
<xsl:copy-of select="member" />
<xsl:comment>
<xsl:text>Candidate states: </xsl:text>
<xsl:value-of select="count(candidate/state)" />
</xsl:comment>
<xsl:copy-of select="candidate" />
<xsl:comment>
<xsl:text>Other states: </xsl:text>
<xsl:value-of
select="count(document("other.xml")/eu/other/state)" />
</xsl:comment>
<xsl:copy-of select="document("other.xml")/eu/other" />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<eu><!--Member states: 2--><member>
<state>Austria</state>
<state founding="yes">Belgium</state>
</member>
<!--Candidate states: 5--><candidate>
<state>Poland</state>
<state>Romania</state>
<state>Slovakia</state>
<state>Slovenia</state>
<state>Turkey</state>
</candidate>
<!--Other states: 0--></eu>
select element and attribute
File: Data.xml
<employee hireDate="09/01/1998">
<last>Smith</last>
<first>Joe</first>
<salary>95000</salary>
</employee>
File: Transform.xslt
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:output method="xml" omit-xml-declaration="yes" />
<xsl:template match="employee">
<xsl:apply-templates select="@hireDate" /><!-- note space -->
<xsl:apply-templates select="first" />
<xsl:apply-templates select="last" />
</xsl:template>
</xsl:stylesheet>
Output:
09/01/1998JoeSmith
select element by attribute value
File: Data.xml
<?xml version="1.0" encoding="UTF-8"?>
<greeting>
<welcome xml:lang="en" id="001">Welcome</welcome>
<welcome xml:lang="fr" id="002">Bienvenue</welcome>
<welcome xml:lang="es" id="003">Bienvenido</welcome>
<welcome xml:lang="de" id="004">Willkommen</welcome>
</greeting>
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:output method="text" />
<xsl:template match="greeting">
<xsl:apply-templates select="welcome[lang("de")]" />
</xsl:template>
<xsl:template match="welcome[lang("de")]">
<xsl:text>German: </xsl:text>
<xsl:value-of select="." />
<xsl:text> (ID: </xsl:text>
<xsl:value-of select="@id" />
<xsl:text>)</xsl:text>
</xsl:template>
</xsl:stylesheet>
Output:
German: Willkommen (ID: 004)
select element by index
File: Data.xml
<?xml version="1.0" encoding="UTF-8"?>
<eu>
<member>
<state>Austria</state>
<state founding="yes">Belgium</state>
</member>
<candidate>
<state>Bulgaria</state>
<state>Cyprus</state>
<state>Czech Republic</state>
</candidate>
</eu>
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:output method="xml" />
<xsl:template match="eu">
<xsl:apply-templates select="member" />
</xsl:template>
<xsl:template match="member">
<xsl:apply-templates select="state[2]" />
</xsl:template>
<xsl:template match="state">
<xsl:copy />
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><state/>
Select element out
File: Data.xml
<?xml version="1.0"?>
<?xml-stylesheet type="application/xml" href="people.xsl"?>
<people>
<person born="2008" died="2008" id="1">
<name>
<first_name>A</first_name>
<last_name>B</last_name>
</name>
</person>
<person born="2007" died="2007" id="2">
<name>
<first_name>D</first_name>
<middle_initial>E</middle_initial>
<last_name>F</last_name>
</name>
</person>
</people>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="people">
<xsl:apply-templates select="person"/>
</xsl:template>
<xsl:template match="person">
<xsl:value-of select="name"/>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
A
B
D
E
F
Selecting elements based on values of other ones.
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<DOCUMENT>
<TAG1>Hello</TAG1>
<TAG2>Hello</TAG2>
<TAG3>World</TAG3>
<TAG4>Europe<TAG5>World</TAG5>
</TAG4>
</DOCUMENT>
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:output method="html"/>
<xsl:template match="/">
<xsl:if test="//DOCUMENT[TAG1 = TAG2]">
<xsl:value-of select="//DOCUMENT/TAG1"/>
</xsl:if>
<BR/>
<xsl:if test="//DOCUMENT[TAG3 = TAG4/TAG5]">
<xsl:value-of select="//TAG4/text()"/>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
Output:
Hello<BR>Europe
select="@*|node()"
File: Data.xml
<?xml-stylesheet href="Transform.xslt" type="text/xsl"?>
<state member="true" xmlns="http://www.wbex.ru">Belgium</state>
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:output method="xml" indent="yes" encoding="US-ASCII" />
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()" />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="US-ASCII"?>
<?xml-stylesheet?><state xmlns="http://www.wbex.ru" member="true">Belgium</state>
select="operand[(. < 50) and (. > 30)]"
File: Data.xml
<math>
<operand>12</operand>
<operand>23</operand>
<operand>45</operand>
<operand>56</operand>
<operand>75</operand>
</math>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text" />
<xsl:template match="math">
<xsl:apply-templates
select="operand[(. < 50) and (. > 30)]" />
</xsl:template>
</xsl:stylesheet>
Output:
45
select="state[not(@founding)]"
File: Data.xml
<?xml version="1.0" encoding="UTF-8"?>
<eu>
<member>
<state>Austria</state>
<state founding="yes">Belgium</state>
</member>
<candidate>
<state>Bulgaria</state>
<state>Cyprus</state>
<state>Czech Republic</state>
</candidate>
</eu>
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:output method="xml" indent="yes" />
<xsl:attribute-set name="new">
<xsl:attribute name="founding">no</xsl:attribute>
</xsl:attribute-set>
<xsl:template match="eu">
<xsl:apply-templates select="member" />
</xsl:template>
<xsl:template match="member">
<eu>
<members>
<xsl:apply-templates select="state[not(@founding)]" />
</members>
</eu>
</xsl:template>
<xsl:template match="state">
<xsl:copy use-attribute-sets="new">
<xsl:apply-templates />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<eu>
<members>
<state founding="no">Austria</state>
</members>
</eu>
select value from attribute
File: Data.xml
<?xml version="1.0" encoding="UTF-8"?>
<eu>
<member>
<state>Austria</state>
<state founding="yes">Belgium</state>
</member>
<candidate>
<state>Bulgaria</state>
<state>Cyprus</state>
<state>Turkey</state>
</candidate>
</eu>
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:output method="xml" indent="yes" />
<xsl:template match="eu">
<xsl:apply-templates select="member" />
</xsl:template>
<xsl:template match="member">
<eu-members>
<xsl:apply-templates select="state[@founding]" />
</eu-members>
</xsl:template>
<xsl:template match="state">
<xsl:copy>
<xsl:apply-templates />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<eu-members>
<state>Belgium</state>
</eu-members>