XSLT <xsl: preserve-space> and <xsl: strip-space> element
Definition and Usage
<Xsl: preserve-space> element defines the elements left blank.
<Xsl: strip-space> element defines delete empty elements.
NOTE: Leave blank is the default setting, so use only when: It is necessary to use <xsl strip-space> element <xsl: preserve-space> element.
NOTE: <xsl: preserve-space> element and <xsl: strip-space> element is the top-level element (top-level element).
grammar
<xsl:preserve-space elements="list-of-element-names"/>
<xsl:strip-space elements="list-of-element-names"/>
<xsl:strip-space elements="list-of-element-names"/>
Attributes
属性 | 值 | 描述 |
---|---|---|
elements | list-of-element-names |
必需。一个空格分隔的元素列表,规定了保留/删除空白的元素。 注意:列表中可包含 "*" 和 "prefix:*",这样就可以加入所有元素或来自特定命名空间的所有元素。 |
Example 1
In this case, we reserve the blank nodes title and artist elements, and removed from blank nodes country, company, price and year elements:
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="country company price year" />
<xsl:preserve-space elements="title artist" />
<xsl:template match="/">
<html>
<body>
<xsl:for-each select="catalog/cd">
<p>
<xsl:value-of select="title" /><br />
<xsl:value-of select="artist" /><br />
<xsl:value-of select="country" /><br />
<xsl:value-of select="company" /><br />
<xsl:value-of select="price" /><br />
<xsl:value-of select="year" />
</p>
</xsl:for-each>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:strip-space elements="country company price year" />
<xsl:preserve-space elements="title artist" />
<xsl:template match="/">
<html>
<body>
<xsl:for-each select="catalog/cd">
<p>
<xsl:value-of select="title" /><br />
<xsl:value-of select="artist" /><br />
<xsl:value-of select="country" /><br />
<xsl:value-of select="company" /><br />
<xsl:value-of select="price" /><br />
<xsl:value-of select="year" />
</p>
</xsl:for-each>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Complete XSLT Element Reference Manual