此样式表:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="node()|@*" name="identity">
<xsl:copy>
<xsl:apply-templates select="node()|@*"/>
</xsl:copy>
</xsl:template>
<xsl:template match="program">
<xsl:apply-templates select="course[1]|certificate[1]"/>
</xsl:template>
<xsl:template match="course[1]">
<program-courses>
<program>
<xsl:apply-templates select="../*[not(self::certificate)]"
mode="copy"/>
</program>
</program-courses>
</xsl:template>
<xsl:template match="certificate[1]">
<program-certificates>
<program>
<xsl:apply-templates select="../*[not(self::course)]"
mode="copy"/>
</program>
</program-certificates>
</xsl:template>
<xsl:template match="node()" mode="copy">
<xsl:call-template name="identity"/>
</xsl:template>
</xsl:stylesheet>
输出:
<root>
<program-certificates>
<program>
<program-name>Math</program-name>
<certificate>...</certificate>
</program>
</program-certificates>
<program-courses>
<program>
<program-name>Math</program-name>
<course>...</course>
</program>
</program-courses>
</root>
编辑
:如果您想要更多的“推送风格”,如发布的解决方案:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="node()|@*" name="identity">
<xsl:copy>
<xsl:apply-templates select="node()|@*"/>
</xsl:copy>
</xsl:template>
<xsl:template match="node()" mode="certificate">
<xsl:call-template name="identity"/>
</xsl:template>
<xsl:template match="node()" mode="course">
<xsl:call-template name="identity"/>
</xsl:template>
<xsl:template match="program">
<program-courses>
<program>
<xsl:apply-templates mode="course"/>
</program>
</program-courses>
<program-certificates>
<program>
<xsl:apply-templates mode="certificate"/>
</program>
</program-certificates>
</xsl:template>
<xsl:template match="course" mode="certificate"/>
<xsl:template match="certificate" mode="course"/>
</xsl:stylesheet>