使用xslt约3小时后,
我有以下输出
<?xml version="1.0" encoding="UTF-8"?>
<tops>
<topCategory name="cat1">
<top name="ninja" tuckedIn="0">
<part path="ninja_abdomen.png" bodyPart="abdomen"/>
<part path="ninja_humerus_l.png" bodyPart="humerus_l"/>
</top>
<top name="ninja" tuckedIn="0">
<part path="ninja_abdomen.png" bodyPart="abdomen"/>
<part path="ninja_humerus_l.png" bodyPart="humerus_l"/>
</top>
<top name="pirate" tuckedIn="0">
<part path="pirate_humerus_l.png" bodyPart="humerus_l"/>
</top>
</topCategory>
<topCategory name="cat2">
<top name="monk" tuckedIn="1">
<part path="monk_head.png" bodyPart="head"/>
</top>
<top name="monkey" tuckedIn="1">
<part path="monkey_thorax.png" bodyPart="thorax"/>
<part path="monkey_neck.png" bodyPart="neck"/>
</top>
<top name="monkey" tuckedIn="1">
<part path="monkey_thorax.png" bodyPart="thorax"/>
<part path="monkey_neck.png" bodyPart="neck"/>
</top>
</topCategory>
</tops>
问题是我有重复<top>
s我只想为每个名字输入一个<top>
个条目。我相信我非常接近解决方案,但无法弄明白。
原始xml文件
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<tops>
<top path = "ninja_abdomen.png" bodyPart = "abdomen" name = "ninja" tuckedIn = "0" topCategory= "cat1"/>
<top path = "ninja_humerus_l.png" bodyPart = "humerus_l" name = "ninja" tuckedIn = "0" topCategory= "cat1"/>
<top path = "pirate_humerus_l.png" bodyPart = "humerus_l" name = "pirate" tuckedIn = "0" topCategory= "cat1"/>
<top path="monk_head.png" bodyPart="head" name="monk" tuckedIn="1" topCategory="cat2"/>
<top path="monkey_thorax.png" bodyPart="thorax" name="monkey" tuckedIn="1" topCategory="cat2"/>
<top path="monkey_neck.png" bodyPart="neck" name="monkey" tuckedIn="1" topCategory="cat2"/>
</tops>
和xslt文件
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" indent = "yes"/>
<xsl:key name="eachTopCategory" match="tops/top" use="@topCategory"/>
<xsl:key name="eachTopName" match="tops/top" use="@name"/>
<xsl:key name="eachTop" match="tops/top" use="concat(@topCategory,'|', @name)"/>
<xsl:key name="eachPart" match="tops/top" use="concat(@bodyPart,'|' ,@name,'|',@topCategory)"/>
<xsl:template match="tops">
<tops>
<xsl:apply-templates select="top[generate-id(.)=generate-id(key('eachTopCategory',@topCategory)[1])]"/>
</tops>
</xsl:template>
<xsl:template match="top">
<topCategory>
<xsl:attribute name="name">
<xsl:value-of select="@topCategory" />
</xsl:attribute>
<xsl:for-each select="key('eachTopCategory',@topCategory)">
<xsl:call-template name="sortTops"/>
</xsl:for-each>
</topCategory>
</xsl:template>
<xsl:template name="sortTops">
<top>
<xsl:attribute name="name">
<xsl:value-of select="@name" />
</xsl:attribute>
<xsl:attribute name="tuckedIn">
<xsl:value-of select="@tuckedIn" />
</xsl:attribute>
<xsl:for-each select="key('eachTop', concat(@topCategory,'|', @name))">
<xsl:call-template name="sortParts"/>
</xsl:for-each>
</top>
</xsl:template>
<xsl:template name="sortParts">
<part>
<xsl:attribute name="path">
<xsl:value-of select="@path" />
</xsl:attribute>
<xsl:attribute name="bodyPart">
<xsl:value-of select="@bodyPart" />
</xsl:attribute>
</part>
</xsl:template>
</xsl:stylesheet>
我的预期输出:
<?xml version="1.0" encoding="UTF-8"?>
<tops>
<topCategory name="cat1">
<top name="ninja" tuckedIn="0">
<part path="ninja_abdomen.png" bodyPart="abdomen"/>
<part path="ninja_humerus_l.png" bodyPart="humerus_l"/>
</top>
<top name="pirate" tuckedIn="0">
<part path="pirate_humerus_l.png" bodyPart="humerus_l"/>
</top>
</topCategory>
<topCategory name="cat2">
<top name="monk" tuckedIn="1">
<part path="monk_head.png" bodyPart="head"/>
</top>
<top name="monkey" tuckedIn="1">
<part path="monkey_thorax.png" bodyPart="thorax"/>
<part path="monkey_neck.png" bodyPart="neck"/>
</top>
</topCategory>
</tops>
答案 0 :(得分:4)
我认为你只需要在这里使用两个 xsl:key 元素来进行Muenchian分组。一个用于按“类别”分组,另一个用于按“类别”和“名称”连接分组
<xsl:key name="eachTopCategory" match="tops/top" use="@topCategory"/>
<xsl:key name="eachTop" match="tops/top" use="concat(@topCategory,'|', @name)"/>
您已经正确地将模板应用于按不同类别名称分组
<xsl:apply-templates
select="top[generate-id()=generate-id(key('eachTopCategory',@topCategory)[1])]" />
但是在与此匹配的模板中,您需要匹配不同的“名称”记录,但在所选类别中。这是您使用连锁密钥的地方:
<xsl:apply-templates
select="key('eachTopCategory',@topCategory)
[generate-id()=generate-id(key('eachTop',concat(@topCategory,'|', @name))[1])]"
mode="top"/>
请注意使用模式,因为最终会有多个与顶部元素相匹配的模板。然后,在匹配名称的 top 元素的模板中,您将获得各个部分,如此
<xsl:apply-templates
select="key('eachTop',concat(@topCategory,'|', @name))" mode="part"/>
这是完整的XSLT
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" indent="yes"/>
<xsl:key name="eachTopCategory" match="tops/top" use="@topCategory"/>
<xsl:key name="eachTop" match="tops/top" use="concat(@topCategory,'|', @name)"/>
<xsl:template match="tops">
<tops>
<xsl:apply-templates select="top[generate-id()=generate-id(key('eachTopCategory',@topCategory)[1])]" mode="category"/>
</tops>
</xsl:template>
<xsl:template match="top" mode="category">
<topCategory name="{@topCategory}">
<xsl:apply-templates select="key('eachTopCategory',@topCategory)[generate-id()=generate-id(key('eachTop',concat(@topCategory,'|', @name))[1])]" mode="top"/>
</topCategory>
</xsl:template>
<xsl:template match="top" mode="top">
<top name="{@name}" tuckedIn="{@tuckedIn}">
<xsl:apply-templates select="key('eachTop',concat(@topCategory,'|', @name))" mode="part"/>
</top>
</xsl:template>
<xsl:template match="top" mode="part">
<part path="{@path}" bodyPart="{@bodyPart}" />
</xsl:template>
</xsl:stylesheet>
当应用于您的示例XML时,会生成以下内容
<tops>
<topCategory name="cat1">
<top name="ninja" tuckedIn="0">
<part path="ninja_abdomen.png" bodyPart="abdomen"/>
<part path="ninja_humerus_l.png" bodyPart="humerus_l"/>
</top>
<top name="pirate" tuckedIn="0">
<part path="pirate_humerus_l.png" bodyPart="humerus_l"/>
</top>
</topCategory>
<topCategory name="cat2">
<top name="monk" tuckedIn="1">
<part path="monk_head.png" bodyPart="head"/>
</top>
<top name="monkey" tuckedIn="1">
<part path="monkey_thorax.png" bodyPart="thorax"/>
<part path="monkey_neck.png" bodyPart="neck"/>
</top>
</topCategory>
</tops>
请注意,如果您能够使用XSLT2.0,则可以简化此操作,因为它具有特殊的分组命令。
答案 1 :(得分:2)
很难相信这是我独立于蒂姆想出来的!它看起来像我一样的解决方案。
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes" omit-xml-declaration="yes" />
<xsl:strip-space elements="*" />
<xsl:key name="eachTopCategory" match="top" use="@topCategory"/>
<xsl:key name="eachTop" match="top" use="concat(@topCategory,'|', @name,'|',@tuckedIn)"/>
<xsl:template match="/*">
<tops>
<xsl:apply-templates select="top[
generate-id()=generate-id(key('eachTopCategory',@topCategory)[1])]" mode="category"/>
</tops>
</xsl:template>
<xsl:template match="top" mode="category">
<topCategory name="{@topCategory}">
<xsl:apply-templates select="key('eachTopCategory',@topCategory)[
generate-id()=generate-id(key('eachTop',concat(@topCategory,'|', @name,'|',@tuckedIn))[1])]" mode="top"/>
</topCategory>
</xsl:template>
<xsl:template match="top" mode="top">
<top name="{@name}" tuckedIn="{@tuckedIn}">
<xsl:apply-templates select="key('eachTop',concat(@topCategory,'|', @name,'|',@tuckedIn))" mode="part" />
</top>
</xsl:template>
<xsl:template match="top" mode="part">
<part path="{@path}" bodyPart="{@bodyPart}" />
</xsl:template>
</xsl:stylesheet>