XPath中相对路径和绝对路径
XPath中相对路径和绝对路径
相对路径：即相对于上下文节点的路径
绝对路径：即从根目录开始的完整的路径
下面的xml和xslt写得相当好，初学者看一下
<?xml version = "1.0"?>
<?xml-stylesheet type="text/xsl" href="catalog_ui.xsl"?>
<Catalog>
<Publisher isbn = "186100">
<CorporateName>Wrox Press Ltd</CorporateName>
<Address headquarters = "yes">
<Street>Arden House</Street>
<Street>1102 Warwick Road, Acocks Green</Street>
<City>Birmingham</City>
<Country>UK</Country>
<PostalCode>B27 6BH</PostalCode>
</Address>
<Address headquarters = "no">
<Street>Suite 520</Street>
<Street>29 S. Lasalle Street</Street>
<City>Chicago</City>
<PoliticalDivision>IL</PoliticalDivision>
<Country>USA</Country>
<PostalCode>60603</PostalCode>
</Address>
<Imprints>
<Imprint shortImprintName = "XML">XML and Scripting</Imprint>
<Imprint shortImprintName ="Linux">GNU/Linux</Imprint>
<Imprint shortImprintName ="Java">Java</Imprint>
<Imprint shortImprintName ="ASP">Active Server Pages</Imprint>
</Imprints>
<Author authorCiteID = "smohr">
<FirstName>Stephen</FirstName>
<LastName>Mohr</LastName>
<Biographical>Stephen Mohr is a senior systems architect...</Biographical>
</Author>
<Author authorCiteID = "nozu">
<FirstName>Nikola</FirstName>
<LastName>Ozu</LastName>
<Biographical>Nikola Ozu is a systems architect and consultant...</Biographical>
</Author>
<Author authorCiteID = "jond">
<FirstName>Jon</FirstName>
<LastName>Duckett</LastName>
<Biographical>The brains behind the Dr Evil organization, Jon is...</Biographical>
</Author>
<Author authorCiteID = "mbirbeck">
<FirstName>Mark</FirstName>
<LastName>Birbeck</LastName>
<Biographical>Mark Birbeck has been a professional programmer for...</Biographical>
</Author>
<Author authorCiteID = "mkay">
<FirstName>Michael</FirstName>
<LastName>Kay</LastName>
<Biographical>Michael Kay has spent most of ...</Biographical>
</Author>
<Author authorCiteID = "scottwoo">
<FirstName>Scott</FirstName>
<LastName>Woodgate</LastName>
<Biographical>Scott Woodgate, a Microsoft Certified Solution Developer, ...</Biographical>
</Author>
</Publisher>
<Thread threadID = "coreXML">Core XML</Thread>
<Thread threadID ="proXML">Advanced Topics in XML</Thread>
<Thread threadID ="msXML">Microsoft XML Products</Thread>
<Book ISBN = "1861005059" level = "pro" pubdate = "06-01-2001" pageCount = "800" authors = "smohr mbirbeck nozu jond" threads = "coreXML proXML" imprint = "XML">
<Title>Professional XML, 2nd Edition</Title>
<Abstract>An update to the wildly successful first edition, Pro XML covers the full ...</Abstract>
<RecSubjCategories>
<Category>Internet</Category>
<Category>Internet Programming</Category>
<Category>XML</Category>
</RecSubjCategories>
<Price currency = "USD">49.99</Price>
</Book>
<Book ISBN = "1861003129" level = "pro" pubdate = "07-2000" pageCount = "780" authors = "mkay" threads = "proXML" imprint = "XML">
<Title>XSLT Programmer's Reference</Title>
<Abstract>The definitive guide to XSLT and XSLT programming ...</Abstract>
<RecSubjCategories>
<Category>Internet</Category>
<Category>XML</Category>
<Category>XSL</Category>
</RecSubjCategories>
<Price currency = "USD">34.99</Price>
</Book>
<Book ISBN = "1861003293" level = "pro" pubdate = "12-2000" pageCount = "700" authors = "smohr scottwoo" threads = "proXML msXML" imprint = "XML">
<Title>Professional BizTalk</Title>
<Abstract>The first comprehensive guide to using and programming Microsoft BizTalk Server ...</Abstract>
<RecSubjCategories>
<Category>XML</Category>
<Category>E-Commerce</Category>
</RecSubjCategories>
<Price currency = "USD">49.99</Price>
</Book>
</Catalog>
/*--------------*/
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="html" />
<xsl:template match="/">
<xsl:element name="HTML">
<xsl:element name="HEAD">
<xsl:element name="TITLE">Book Catalog</xsl:element>
</xsl:element>
<xsl:element name="BODY">
<xsl:apply-templates select="/Catalog/Book"/>
</xsl:element>
</xsl:element>
</xsl:template>
<xsl:template match="Book">
<xsl:apply-templates select="Title"/>
<xsl:variable name="isbn" select="@ISBN"/>
<xsl:element name="DIV">
<xsl:attribute name="style">font-family:Verdana;font-size:10pt;color:black;font-weight:bolder</xsl:attribute>
<xsl:value-of select="/Catalog/Publisher[contains($isbn,@isbn)]/CorporateName"/>
</xsl:element>
<xsl:variable name="by" select="@authors"/>
<xsl:call-template name="fetch-authors">
<xsl:with-param name="authors" select="/Catalog/Publisher/Author[contains($by,@authorCiteID)]"/>
</xsl:call-template>
<xsl:element name="DIV">
<xsl:attribute name="style">color:black;font-size:10pt;font-family:Verdana</xsl:attribute>
<xsl:text>Price: </xsl:text><xsl:value-of select="Price"/><xsl:text> </xsl:text><xsl:value-of select="Price/@currency"/>
</xsl:element>
<xsl:apply-templates select="*[name() != 'Title']"/>
<xsl:element name="P"/>
</xsl:template>
<xsl:template match="Title">
<xsl:element name="DIV">
<xsl:attribute name="style">background:teal;color:black;font-family:Verdana;font-size:14pt;font-weight:bolder</xsl:attribute>
<xsl:value-of select="."/>
</xsl:element>
</xsl:template>
<xsl:template match="Abstract">
<xsl:element name="P"/>
<xsl:element name="DIV">
<xsl:attribute name="style">font-family:Verdana;font-size:12pt</xsl:attribute>
<xsl:value-of select="."/>
</xsl:element>
</xsl:template>
<xsl:template match="RecSubjCategories">
<xsl:element name="P"/>
<xsl:for-each select="Category">
<xsl:element name="SPAN">
<xsl:attribute name="style">font-family:verdana;font-size:8pt;background:black;color:white;width:3.5cm;text-align:center</xsl:attribute>
<xsl:value-of select="."/>
</xsl:element>
<xsl:text> </xsl:text>
</xsl:for-each>
</xsl:template>
<xsl:template match="text()"/>
<xsl:template name="fetch-authors">
<xsl:param name="authors" select="anonymous"/>
<xsl:variable name="first" select="$authors[1]"/>
<xsl:variable name="rest" select="$authors[position()!=1]"/>
<xsl:element name="DIV">
<xsl:attribute name="style">font-family:Verdana;font-size:10pt;color:gray;</xsl:attribute>
<xsl:value-of select="$first/FirstName"/><xsl:text> </xsl:text><xsl:value-of select="$first/LastName"/>
</xsl:element>
<xsl:if test="$rest">
<xsl:call-template name="fetch-authors">
<xsl:with-param name="authors" select="$rest"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
