How to get started with XSLT? [closed]

2019-03-07 03:15发布

站内文章 / 前端开发
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问题:

I have never done anything with XSLT and I need to write an XSLT script or some other script to add a header and a trailer to XML files that we are FTPing to a location.

How can I do this?

回答1:

XSLT Quick Start

  1. Create a sample input XML file:

    <root>
  <header>This header text</header>
  <body>This is body text.</body>
</root>

  2. Run the identity transform,

    <?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes"/>
  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()"/>
    </xsl:copy>
  </xsl:template>
</xsl:stylesheet>

  3. And be sure that you generate the same XML as the input XML:

    <root>
  <header>This header text</header>
  <body>This is body text.</body>
</root>

  4. Then add another template to treat the body differently

    <?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes"/>

  <xsl:template match="@*|node()">
    <xsl:copy>
      <xsl:apply-templates select="@*|node()"/>
    </xsl:copy>
  </xsl:template>
  <!-- New template for body element -->
  <xsl:template match="body">
    <!-- Copy body as-is like in the default identity template -->
    <xsl:copy>
      <xsl:apply-templates select="@*|node()"/>
    </xsl:copy>
    <!-- Do something new here: Add a footer element -->
    <footer>This is new footer text</footer>
  </xsl:template>
</xsl:stylesheet>

  5. And run the new XSLT to generate new XML output containing a footer this time:

    <root>
  <header>This header text</header>
  <body>This is body text.</body>
  <footer>This is new footer text</footer>
</root>
  6. Continue in this manner until your output is fully as desired.

Recommended XSLT Resources

  • XSLT 2.0 and XPath 2.0 Programmer's Reference by Michael Kay
  • XSLT 2.0 and 1.0 Foundations by Dimitre Novatchev
  • XSLT Tutorials by Jeni Tennison


标签： xml xslt
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