Question

假设我有一个像

这样的xml

<Fractions>
<Fraction>test 1/3 test aaa</Fraction>
<Fraction>1/2 test</Fraction>
</Fractions>

我想用xsl替换字符串中的1/3 with &frac13，1/2 with @amp;frac12，但我被卡住了。分数值受限于

1/2, 1/3, 3/4, 1/4.

Answer 1

如果您可以保证输入XML只有一位数字，您可以使用简单的查找表来实现这一点，查找表返回基数（一，二，三等）或序数形式的名称数字（半数，三数，四等）

   <ref:cardinals>
      <ref:cardinal>One</ref:cardinal>
      <ref:cardinal>Two</ref:cardinal>
      <ref:cardinal>Three</ref:cardinal>
      ... and so on...
   </ref:cardinals>

   <ref:ordinals>
      <ref:ordinal>Half</ref:ordinal>
      <ref:ordinal>Third</ref:ordinal>
      ... and so on ...
   </ref:ordinals>

（ ref 名称空间必须在XSLT顶部声明）

要在这些查找表中查找值，您可以设置一个引用XSLT文档本身的变量

<xsl:variable name="cardinals" select="document('')/*/ref:cardinals"/>
<xsl:value-of select="$cardinals/ref:cardinal[position() = $numerator]"/>

（其中$ numerator是包含分数上半部分的变量）

这是一个完整的XSLT文档，可以处理所有单个数字分数

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:ref="http://stackoverflow.com/users/723763/abdul-muqtadir">
   <xsl:output method="xml" indent="yes"/>

   <ref:cardinals>
      <ref:cardinal>One</ref:cardinal>
      <ref:cardinal>Two</ref:cardinal>
      <ref:cardinal>Three</ref:cardinal>
      <ref:cardinal>Four</ref:cardinal>
      <ref:cardinal>Five</ref:cardinal>
      <ref:cardinal>Six</ref:cardinal>
      <ref:cardinal>Seven</ref:cardinal>
      <ref:cardinal>Eight</ref:cardinal>
      <ref:cardinal>Nine</ref:cardinal>
   </ref:cardinals>

   <ref:ordinals>
      <ref:ordinal>Half</ref:ordinal>
      <ref:ordinal>Third</ref:ordinal>
      <ref:ordinal>Quarter</ref:ordinal>
      <ref:ordinal>Fifth</ref:ordinal>
      <ref:ordinal>Sixth</ref:ordinal>
      <ref:ordinal>Seventh</ref:ordinal>
      <ref:ordinal>Eigth</ref:ordinal>
      <ref:ordinal>Ninth</ref:ordinal>
   </ref:ordinals>

   <xsl:variable name="cardinals" select="document('')/*/ref:cardinals"/>
   <xsl:variable name="ordinals" select="document('')/*/ref:ordinals"/>

   <xsl:template match="Fraction">
      <xsl:variable name="numerator" select="number(substring-before(., '/'))"/>
      <xsl:variable name="denominater" select="number(substring-after(., '/'))"/>
      <xsl:copy>
         <xsl:value-of select="$cardinals/ref:cardinal[position() = $numerator]"/>
         <xsl:text> </xsl:text>
         <xsl:value-of select="$ordinals/ref:ordinal[position() = $denominater - 1]"/>
         <xsl:if test="$numerator != 1">s</xsl:if>
      </xsl:copy>
   </xsl:template>

   <xsl:template match="@*|node()">
      <xsl:copy>
         <xsl:apply-templates select="@*|node()"/>
      </xsl:copy>
   </xsl:template>
</xsl:stylesheet>

当应用于输入XML时，将返回以下XML

<Fractions>
   <Fraction>One Third</Fraction>
   <Fraction>One Half</Fraction>
</Fractions>

请注意，您可能需要更好地处理复数形式。例如，如果您将3/2作为分数，则上述解决方案将返回三半，而不是三半。

Answer 2

如果只有少数，请使用以下模板：

<xsl:template match="Fraction/text()[.='1/2']">half</xsl:template>
<xsl:template match="Fraction/text()[.='1/3']">one-third</xsl:template>
etc..

用一些值替换xml节点中的文本

2 个答案: