xsl:template
时间: 2023-09-19 18:13:20 浏览: 108
XSLT (Extensible Stylesheet Language Transformations) is a language used for transforming XML documents into different formats. In XSLT, `<xsl:template>` is an element used to define templates that specify how the transformation should be applied to different parts of the input XML.
Templates in XSLT are used to match specific elements or patterns in the input XML and define the rules for transforming them into the desired output format. The `<xsl:template>` element can have attributes that specify the matching pattern, such as `match` or `name`, and its contents contain the instructions for the transformation.
Here's an example of an `<xsl:template>` element that matches all `<book>` elements in the input XML and defines how they should be transformed:
```
<xsl:template match="book">
<html>
<body>
<h1><xsl:value-of select="title"/></h1>
<p>Author: <xsl:value-of select="author"/></p>
</body>
</html>
</xsl:template>
```
In this example, when an `<book>` element is encountered during the transformation, it will be replaced with the HTML structure defined within the template. The values of the `<title>` and `<author>` elements are extracted using the `<xsl:value-of>` element and inserted into the resulting HTML output.
Note that XSLT uses XPath to navigate and select elements from the input XML, which is why you see XPath expressions (`select`) used within the template to extract data.
I hope this helps! Let me know if you have any further questions.