Math calculation with current value : axis « XPath « XML Tutorial






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  2. XPath
  3. axis
File: Data.xml

<math>
     <operand>12</operand>
     <operand>23</operand>
     <operand>45</operand>
     <operand>56</operand>
     <operand>75</operand>
</math>

File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="text" />
  <xsl:template match="operand">
    <xsl:value-of select="." />
    <xsl:text> + 25 = </xsl:text>
    <xsl:value-of select=". + 25" />
    <xsl:text>&#10;</xsl:text>
    <xsl:value-of select="." />
    <xsl:text> * 25 = </xsl:text>
    <xsl:value-of select=". * 25" />
    <xsl:text>&#10;</xsl:text>
  </xsl:template>

</xsl:stylesheet>

Output:


     12 + 25 = 37
12 * 25 = 300

     23 + 25 = 48
23 * 25 = 575

     45 + 25 = 70
45 * 25 = 1125

     56 + 25 = 81
56 * 25 = 1400

     75 + 25 = 100
75 * 25 = 1875








4.1.axis
4.1.1.Modeling XML Documents with Axis
4.1.2.All axes were used in this example
4.1.3.select element by index
4.1.4.Decendents of
4.1.5.Check current element value, the output
4.1.6.match element by name
4.1.7.Element level matching
4.1.8.Math calculation with current value
4.1.9.If an element has a child
4.1.10.If one element has at least one child element
4.1.11.If an element has more than 3 child elements
4.1.12.match="@*|node()"
4.1.13.select dot for value-of
4.1.14.* for level
4.1.15.If element has value
4.1.16.selects only elements which occurs first in each level