XSLT <xsl:key> abin

XSLT元素

Tiratar da Koyarwa

<xsl:key> na iya zama abin na farko, wanda zai iya bayyana abin da ke samu sunan da wuri a cikin fayil XML.

Wannan abin da ke aiki ne domin samun key() a cikin tarin, domin kiyaye ayyukan daidaiwa a cikin fayil XML da yawa...

Kwalliya:Kanama na iya zama lafiya!

Fassarar

<xsl:key
name="name"
match="pattern"
use="expression"/>

属性

属性 Wuri Ba da cikakken bayani ba
name name Dauka nauyi. A kira sunan shi.
match pattern Dauka nauyi. A kira wuri ake yi aiki da shi.
use expression

Dauka nauyi. A kira wuri ake samu domin fahimtar wuri a cikin shi.

Wuri ake samu kuma zai iya samu daga kowane wuri a cikin:属性、子元素 ko ƙarfin yankin abin da ake samu.

Tarihin

Tarihin 1

Daceko ake hauka fayil "persons.xml":

<persons>
  <person name="Tarzan" id="050676"/>
  <person name="Donald" id="070754"/>
  <person name="Dolly" id="231256"/>
</persons>

Daceko ake kirkira abin da za a fahimtar a cikin fayil XSL kamar yadda a yana shi:

<xsl:key name="preg" match="person" use="@id"/>

Lakawar da a girmiwa domin samu person wanda ke da id="050676", sabon koda (a cikin fayil XSL):

<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
<xsl:key name="preg" match="person" use="@id"/>
<xsl:template match="/">
  <html>
  <body>
  <xsl:for-each select="key('preg','050676')">
    <p>
    Id: <xsl:value-of select="@id"/><br />
    Name: <xsl:value-of select="@name"/>
    </p>
  </xsl:for-each>
  </body>
  </html>
</xsl:template>
</xsl:stylesheet>

XSLT元素