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我對XSL相對來說比較新，並且試圖將Google日曆提要優雅地轉換爲更具可讀性的內容。XSLT的優化
我會感激你的眼睛是否有優化。特別是，我希望您對模板使用的建議。我已經閱讀了很多關於for-each不適合使用無用的（而是應該嘗試對模板進行審慎使用的）。
非常感謝。
原始XML（僅示出一個事件）：
<?xml version='1.0' encoding='UTF-8'?>
<feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:gCal='http://schemas.google.com/gCal/2005' xmlns:gd='http://schemas.google.com/g/2005'>
<id>http://www.google.com/calendar/feeds/bachya1208%40gmail.com/public/full</id>
<updated>2011-09-19T21:32:50.000Z</updated>
<category scheme='http://schemas.google.com/g/2005#kind' term='http://schemas.google.com/g/2005#event'/>
<title type='text'>John Doe</title>
<subtitle type='text'>John Doe</subtitle>
<link rel='alternate' type='text/html' href='https://www.google.com/calendar/[email protected]'/>
<link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='https://www.google.com/calendar/feeds/johndoe%40gmail.com/public/full'/>
<link rel='http://schemas.google.com/g/2005#batch' type='application/atom+xml' href='https://www.google.com/calendar/feeds/johndoe%40gmail.com/public/full/batch'/>
<link rel='self' type='application/atom+xml' href='https://www.google.com/calendar/feeds/johndoe%40gmail.com/public/full?max-results=25'/>
<link rel='next' type='application/atom+xml' href='https://www.google.com/calendar/feeds/johndoe%40gmail.com/public/full?start-index=26&max-results=25'/>
<author>
<name>John Doe</name>
<email>[email protected]</email>
</author>
<generator version='1.0' uri='http://www.google.com/calendar'>Google Calendar</generator>
<openSearch:totalResults>1334</openSearch:totalResults>
<openSearch:startIndex>1</openSearch:startIndex>
<openSearch:itemsPerPage>25</openSearch:itemsPerPage>
<gCal:timezone value='America/Denver'/>
<gCal:timesCleaned value='0'/>
<entry>
<id>http://www.google.com/calendar/feeds/johndoe%40gmail.com/public/full/lp0upnpndnkp0ruqht7ef84kds</id>
<published>2011-09-14T21:15:16.000Z</published>
<updated>2011-09-14T21:15:16.000Z</updated>
<category scheme='http://schemas.google.com/g/2005#kind' term='http://schemas.google.com/g/2005#event'/>
<title type='text'>Oil Change</title>
<content type='text'/>
<link rel='alternate' type='text/html' href='https://www.google.com/calendar/event?eid=bHAwdXBucG5kbmtwMHJ1cWh0N2VmODRrZHMgYmFjaHlhMTIwOEBt' title='alternate'/>
<link rel='self' type='application/atom+xml' href='https://www.google.com/calendar/feeds/johndoe%40gmail.com/public/full/lp0upnpndnkp0ruqht7ef84kds'/>
<author>
<name>John Doe</name>
<email>[email protected]</email>
</author>
<gd:comments>
<gd:feedLink href='https://www.google.com/calendar/feeds/johndoe%40gmail.com/public/full/lp0upnpndnkp0ruqht7ef84kds/comments'/>
</gd:comments>
<gd:eventStatus value='http://schemas.google.com/g/2005#event.confirmed'/>
<gd:where valueString='9955 E Arapahoe Road, Englewood, CO 80112 (Go Subaru Arapahoe)'/>
<gd:who email='[email protected]' rel='http://schemas.google.com/g/2005#event.organizer' valueString='[email protected]'/>
<gd:when endTime='2011-09-29T11:30:00.000-06:00' startTime='2011-09-29T10:30:00.000-06:00'/>
<gd:transparency value='http://schemas.google.com/g/2005#event.opaque'/>
<gCal:anyoneCanAddSelf value='false'/>
<gCal:guestsCanInviteOthers value='true'/>
<gCal:guestsCanModify value='false'/>
<gCal:guestsCanSeeGuests value='true'/>
<gCal:sequence value='0'/>
<gCal:uid value='[email protected]'/>
</entry>
</feed>
XSLT：
<?xml version="1.0"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:template name="formatDateTime">
<xsl:param name="dateTime" />
<xsl:value-of select="concat(substring-before($dateTime, 'T'), ' ', substring-before(substring-after($dateTime, 'T'), '.'))" />
</xsl:template>
<xsl:template match="/">
<Events>
<xsl:apply-templates select="/*/*[local-name()= 'entry']" />
</Events>
</xsl:template>
<xsl:template match="*[local-name()= 'entry']">
<xsl:variable name="startDateTime" select="*[name() = 'gd:when']/@*[local-name() = 'startTime']" />
<xsl:variable name="endDateTime" select="*[name() = 'gd:when']/@*[local-name() = 'endTime']" />
<Event>
<EventTitle>
<xsl:value-of select="*[local-name() = 'title'][1]" />
</EventTitle>
<StartDateTime>
<xsl:call-template name="formatDateTime">
<xsl:with-param name="dateTime" select="$startDateTime" />
</xsl:call-template>
</StartDateTime>
<EndDateTime>
<xsl:call-template name="formatDateTime">
<xsl:with-param name="dateTime" select="$endDateTime" />
</xsl:call-template>
</EndDateTime>
<Who>
<xsl:value-of select="*[local-name() = 'author']/*[local-name() = 'name']" />
</Who>
<Where>
<xsl:value-of select="*[name() = 'gd:where']/@*[local-name() = 'valueString']" />
</Where>
<Status>
<xsl:value-of select="*[name() = 'gd:eventStatus']/@*[local-name() = 'value']" />
</Status>
</Event>
</xsl:template>
</xsl:stylesheet>
輸出：
<?xml version="1.0" encoding="UTF-16"?>
<Events>
<Event>
<EventTitle>Oil Change</EventTitle>
<StartDateTime>2011-09-29 10:30:00</StartDateTime>
<EndDateTime>2011-09-29 11:30:00</EndDateTime>
<Who>John Doe</Who>
<Where>9955 E Arapahoe Road, Englewood, CO 80112 (Go Subaru Arapahoe)</Where>
<Status>http://schemas.google.com/g/2005#event.confirmed</Status>
</Event>
</Events>
爲什麼'local-name'常常被用來代替名稱空間？ – Jacob
只有無知 - 由於某種原因，我永遠無法使用樣式表工作而不使用local name（）'... – ABach