哪些元素具有最小子元素XSL

时间:2015-05-16 16:01:58

标签: xml xslt

这是xml文件:



<sinonime>
	<cuvant titlu="timp">
		<definitie>durata care corespunde desfasurarii unui evenimen</definitie>
		<sens>vreme</sens>
		<sens>sezon</sens>
		<sens>durata</sens>
	</cuvant>
	<cuvant titlu="harnic">
		<definitie>care munceste mult, repede si cu folos</definitie>
		<sens>muncitor</sens>
		<sens>sarguincios</sens>
	</cuvant>
	<cuvant titlu="Enervat">
		<definitie>scos din fire, in stare de iritare</definitie>
		<sens>nervos</sens>
	</cuvant>
	<cuvant titlu="parfum">
		<definitie>ceva cu miros placut, frumos</definitie>
		<sens>mireasma</sens>
		<sens>esenta</sens>
		<sens>miros</sens>
		<sens>colonie</sens>
	</cuvant>
	<cuvant titlu="Eprubeta">
		<definitie>tub de sticla inchis la capat</definitie>
		<sens>tub</sens>

	</cuvant>
	<cuvant titlu="medicament">
		<definitie>substanta utilizata pentru a vindeca, ameliora sau preveni o boala</definitie>
		<sens>elixir</sens>
		<sens>leac</sens>
		<sens>remediu</sens>
	</cuvant>
</sinonime>
&#13;
&#13;
&#13;

我期待输出:

Enervat

Eprubeta

因为那些只有一个感觉的元素(子元素的最小数量&#39; sens&#39;)

如何返回哪些元素具有min子元素?

我试过了:

&#13;
&#13;
<xsl:for-each select="sinonime/cuvant">
	<xsl:sort select="count(document('sinonime.xml')//cuvat/sens)"/>
	<xsl:if test="position()=last()">
	  <xsl:value-of select="@titlu"/>
	</xsl:if>
</xsl:for-each>
&#13;
&#13;
&#13;

2 个答案:

答案 0 :(得分:0)

使用问题中的for-each循环,您只能获得具有最小sens个节点数的1个元素。你可以,例如使用第一个for-each获取最小计数,然后打印所有titlu个节点的cuvant属性值,其最小计数如下:

<?xml version="1.0" encoding="UTF-8" ?>
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="text"  omit-xml-declaration="yes" encoding="UTF-8" indent="yes" />
<xsl:template match="sinonime">
  <xsl:variable name="min">
    <xsl:for-each select="cuvant">
      <xsl:sort select="count(sens)" data-type="number" order="ascending"/>
      <xsl:if test="position()=1">
        <xsl:value-of select="count(sens)"/>
      </xsl:if>
    </xsl:for-each>
  </xsl:variable>
  <xsl:for-each select="cuvant[count(sens)=$min]">
   <xsl:value-of select="@titlu"/>
     <xsl:if test="position() != last()">
       <xsl:text>&#xa;</xsl:text>
      </xsl:if>
    </xsl:for-each>
  </xsl:template>
</xsl:transform>

当应用于输入时,会产生输出

Enervat
Eprubeta

答案 1 :(得分:0)

您可以通过首先创建一个包含每个&#34; cuvant&#34;的计数和名称的简单文档来轻松解决此问题,例如:

<counts>
   <count name="timp" n="3"/>
   <count name="harnic" n="2"/>
   ...
</counts>

从那里很容易得到最小值,选择@n最小的所有值,并正确显示它们(这是一个完整的例子,有趣的部分是最后2个模板):

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:xs="http://www.w3.org/2001/XMLSchema"
                exclude-result-prefixes="xs"
                version="2.0">

   <xsl:variable name="doc" as="element()">
      <sinonime>
        <cuvant titlu="timp">
            <definitie>durata care corespunde desfasurarii unui evenimen</definitie>
            <sens>vreme</sens>
            <sens>sezon</sens>
            <sens>durata</sens>
        </cuvant>
        <cuvant titlu="harnic">
            <definitie>care munceste mult, repede si cu folos</definitie>
            <sens>muncitor</sens>
            <sens>sarguincios</sens>
        </cuvant>
        <cuvant titlu="Enervat">
            <definitie>scos din fire, in stare de iritare</definitie>
            <sens>nervos</sens>
        </cuvant>
        <cuvant titlu="parfum">
            <definitie>ceva cu miros placut, frumos</definitie>
            <sens>mireasma</sens>
            <sens>esenta</sens>
            <sens>miros</sens>
            <sens>colonie</sens>
        </cuvant>
        <cuvant titlu="Eprubeta">
            <definitie>tub de sticla inchis la capat</definitie>
            <sens>tub</sens>
        </cuvant>
        <cuvant titlu="medicament">
            <definitie>substanta utilizata pentru a vindeca, ameliora sau preveni o boala</definitie>
            <sens>elixir</sens>
            <sens>leac</sens>
            <sens>remediu</sens>
        </cuvant>
      </sinonime>
   </xsl:variable>

   <xsl:template match="/" name="main">
      <xsl:apply-templates select="$doc"/>
   </xsl:template>

   <xsl:template match="sinonime">
      <xsl:variable name="counts" as="element()">
         <counts>
            <xsl:apply-templates select="*"/>
         </counts>
      </xsl:variable>
      <xsl:variable name="min" select="min($counts/count/xs:integer(@n))"/>
      <results>
         <xsl:for-each select="$counts/count[xs:integer(@n) eq $min]">
            <result>
              <xsl:value-of select="@name"/>
            </result>
         </xsl:for-each>
      </results>
   </xsl:template>

   <xsl:template match="cuvant">
      <count name="{ @titlu }" n="{ count(sens) }"/>
   </xsl:template>

</xsl:stylesheet>