1,看下面这个例子，用了position()函数
XML File (cardgame.xml)
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="cardgame_orig.xsl"?>
<cardgame>
<hand>
<player name="Jack">
<card dealtID="card01">
<rank>Q</rank><suit>Clubs</suit>
</card>
<card dealtID="card02">
<rank>A</rank><suit>Spades</suit>
</card>
<card dealtID="card03">
<rank>10</rank><suit>Hearts</suit>
</card>
<tell>twitches nervously</tell>
<card dealtID="card04">
<rank>8</rank><suit>Clubs</suit>
</card>
<card dealtID="card05">
<rank>4</rank><suit>Spades</suit>
</card>
<tell>squints</tell>
</player>
<player name="Jill">
<card dealtID="card06">
<rank>5</rank><suit>Diamonds</suit>
</card>
<card dealtID="card07">
<rank>5</rank><suit>Spades</suit>
</card>
<card dealtID="card08">
<rank>6</rank><suit>Clubs</suit>
</card>
<card dealtID="card09">
<rank>6</rank><suit>Spades</suit>
</card>
<card dealtID="card10">
<rank>10</rank><suit>Diamonds</suit>
</card>
<tell>grins</tell>
</player>
</hand>
<hand>
<player name="Jack">
<card dealtID="card11" replace="card03">
<rank>4</rank><suit>Diamonds</suit>
</card>
<tell>mutters, "Uh-oh..."</tell>
<card dealtID="card12" replace="card04">
<rank>K</rank><suit>Spades</suit>
</card>
<card dealtID="card13" replace="card05">
<rank>7</rank><suit>Spades</suit>
</card>
<tell>tugs at left ear</tell>
</player>
<player name="Jill">
<card dealtID="card14" replace="card10">
<rank>K</rank><suit>Diamonds</suit>
</card>
<tell>sips her drink</tell>
</player>
</hand>
</cardgame>
XSLT File (cardgame_orig.xsl)
The first version of the XSLT style sheet simply numbers the hands, using a template rule for the <hand> element:
<?xml version="1.0" ?>
<xsl:stylesheet version="1.0"
xmlns="http://www.w3.org/TR/REC-html40"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<!-- Set up the HTML page and table styles. -->
<xsl:template match="/">
<HTML>
<HEAD>
<TITLE>Card Game</TITLE>
<STYLE type="text/css">
h1 {background-color: gold;
font-family: Tahoma,Verdana,Arial,sans-serif;
font-size: 24pt}
h2 {background-color: yellow;
font-family: Tahoma,Verdana,Arial,sans-serif;
font-size: 18pt}
h3 {background-color: white;
font-family: Tahoma,Verdana,Arial,sans-serif;
font-size: 14pt;
font-weight: bold}
th {background-color: silver;
font-family: Tahoma,Verdana,Arial,sans-serif}
td {background-color: white;
font-family: Tahoma,Verdana,Arial,sans-serif}
.page {width: 75%}
.tell {font-weight: bold}
</STYLE>
</HEAD>
<BODY>
<DIV class="page">
<xsl:apply-templates/>
</DIV>
</BODY>
</HTML>
</xsl:template>
<!-- Suppress <tell> elements. -->
<xsl:template match="tell"/>
<xsl:template match="hand">
<h1>Hand #<xsl:value-of select="position()"/></h1>
<xsl:apply-templates/>
</xsl:template>
</xsl:stylesheet>
2,index()函数没有找到，有这个函数吗？
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