XSLT：仅复制某些节点 [英] XSLT: copy certain nodes only

问题描述

您能告诉我如何使用XSLT执行此操作吗？

输入：

 code><？xml version =1.0？> 
< A> 
< BB bb1 =bb1/> 
< CC cc1 =cc1/> 
< DD name =name1> 
< EEE type=foovalue =50> 
< FFFF id =id1> 
< / EEE> 
< / DD> 
< DD name =name2> 
< EEE type =barvalue =50> 
< FFFF id =id2> 
< / EEE> 
< / DD> 
< DD name =name3> 
< EEE type=foovalue =40> 
< FFFF id =id3> 
< / EEE> 
< / DD> 
  

输出：

 <？xml version =1.0？ 
< A> 
< BB bb1 =bb1/> 
< CC cc1 =cc1/> 
< DD name =name3> 
< EEE type =foovalue =40> 
< FFFF id =id3> 
< / EEE> 
< / DD> 
< DD name =name1> 
< EEE type =foovalue =50> 
< FFFF id =id1> 
< / EEE> 
< / DD> 
  

复制所有除了如果它是一个DD，只有EEE / @ type =foo，并且所有的DD按EEE / @值排序。

XSLT：

pre> <？xml version =1.0？>
< xsl：stylesheet version =1.0xmlns：xsl =http://www.w3.org/1999/XSL/Transform>
< xsl：output method =xmlindent =yes/>
< xsl：strip-space elements =*/>
< xsl：template match =@ * | node（）>
< xsl：copy>
< xsl：apply-templates select =@ * | node（）>
< xsl：sort select =EEE / @ type/>
< / xsl：apply-templates>
< / xsl：copy>
< / xsl：template>


真的只想保留那些EEE / @ type = foo的DD。

非常感谢。

解决方案

到

 <？xml version =1.0？& 
< xsl：stylesheet version =1.0xmlns：xsl =http://www.w3.org/1999/XSL/Transform> 
< xsl：output method =xmlindent =yes/> 
< xsl：strip-space elements =*/> 
< xsl：template match =@ * | node（）> 
< xsl：copy> 
< xsl：apply-templates select =@ * | node（）> 
< xsl：sort select =EEE / @ type/> 
< / xsl：apply-templates> 
< / xsl：copy> 
< / xsl：template> 
  

您只需要添加一个模板

 <？xml version =1.0？> 
< xsl：stylesheet version =1.0xmlns：xsl =http://www.w3.org/1999/XSL/Transform> 
< xsl：output method =xmlindent =yes/> 
< xsl：strip-space elements =*/> 
< xsl：template match =@ * | node（）> 
< xsl：copy> 
< xsl：apply-templates select =@ * | node（）> 
< xsl：sort select =EEE / @ type/> 
< / xsl：apply-templates> 
< / xsl：copy> 
< / xsl：template> 
< xsl：template match =DD [not（EEE / @ type ='foo'）]/> 
  

确保 DD c $ c> EEE / @ type 不等于'foo'不被复制。

Can you tell me how to peform this using XSLT ?

Input:

<?xml version="1.0"?>
<A>
  <BB bb1="bb1" />
  <CC cc1="cc1" />
  <DD name="name1">
    <EEE type="foo" value="50">
      <FFFF id="id1">
    </EEE>
  </DD>
  <DD name="name2">
    <EEE type="bar" value="50">
      <FFFF id="id2">
    </EEE>
  </DD>
  <DD name="name3">
    <EEE type="foo" value="40">
      <FFFF id="id3">
    </EEE>
  </DD>

Output:

<?xml version="1.0"?>
<A>
  <BB bb1="bb1" />
  <CC cc1="cc1" />
  <DD name="name3">
    <EEE type="foo" value="40">
      <FFFF id="id3">
    </EEE>
  </DD>
  <DD name="name1">
    <EEE type="foo" value="50">
      <FFFF id="id1">
    </EEE>
  </DD>

I.e. copy all except that if it is a DD, copy only if EEE/@type = "foo", and sort all DD by EEE/@value.

For now i've just found xsl code to copy everything and sort by say EEE/@type for example.

XSLT:

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes" />
  <xsl:strip-space elements="*" />
  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()">
        <xsl:sort select="EEE/@type" />
      </xsl:apply-templates>
    </xsl:copy>
  </xsl:template>

That's already good enough but I really want to keep only those DD where EEE/@type = foo.

Thank You very much.

解决方案

To

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes" />
  <xsl:strip-space elements="*" />
  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()">
        <xsl:sort select="EEE/@type" />
      </xsl:apply-templates>
    </xsl:copy>
  </xsl:template>

you just need to add a template

<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes" />
  <xsl:strip-space elements="*" />
  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()">
        <xsl:sort select="EEE/@type" />
      </xsl:apply-templates>
    </xsl:copy>
  </xsl:template>
  <xsl:template match="DD[not(EEE/@type = 'foo')]"/>

that ensures those DD elements with EEE/@type not equal 'foo' are not copied.

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