XSLT <xsl: value-of> elemento
Manuale di XSLT elementi di riferimento Definizione e utilizzo
<Xsl: value-of> elemento può estrarre il valore del nodo selezionato.
<Xsl: value-of> elemento può essere utilizzato per selezionare il valore di un elemento XML, e lo trasmette.
grammatica
<xsl:value-of
select="expression"
disable-output-escaping="yes|no" />
proprietà
| 属性 | 值 | 描述 |
|---|---|---|
| select | expression | 必需。一个 XPath 表达式，规定了从哪个节点/属性来提取值。它的工作原理与通过正斜杠（/）选择子目录的导航文件系统类似。 |
| disable-output-escaping | yes no |
可选。如果值为 "yes"，通过实例化 <xsl:text> 元素生成的文本节点在输出时将不进行任何转义。比如 "<" 将输出为 "<"。如果值为 "no"，则 "<" 将输出为 "<"。默认是 "no"。 |
Esempi
Gli esempi che seguono ottiene il valore del primo titolo e artista elementi, e inseriti nella tabella:
esempio 1
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<h1>Music Collection:</h1>
<table border="1">
<tr bgcolor="#9acd32">
<th>Title</th>
<th>Artist</th>
</tr>
<tr>
<td><xsl:value-of select="catalog/cd/title" /></td>
<td><xsl:value-of select="catalog/cd/artist" /></td>
</tr>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<h1>Music Collection:</h1>
<table border="1">
<tr bgcolor="#9acd32">
<th>Title</th>
<th>Artist</th>
</tr>
<tr>
<td><xsl:value-of select="catalog/cd/title" /></td>
<td><xsl:value-of select="catalog/cd/artist" /></td>
</tr>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Prova »
Il seguente esempio loop attraverso ogni elemento cd, e creare una tabella con una riga per ogni elemento cd del titolo e l'artista di valori:
esempio 2
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<h1>Music Collection:</h1>
<table border="1">
<tr bgcolor="#9acd32">
<th>Title</th>
<th>Artist</th>
</tr>
<xsl:for-each select="catalog/cd">
<tr>
<td><xsl:value-of select="title" /></td>
<td><xsl:value-of select="artist" /></td>
</tr>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<html>
<body>
<h1>Music Collection:</h1>
<table border="1">
<tr bgcolor="#9acd32">
<th>Title</th>
<th>Artist</th>
</tr>
<xsl:for-each select="catalog/cd">
<tr>
<td><xsl:value-of select="title" /></td>
<td><xsl:value-of select="artist" /></td>
</tr>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Prova »
Manuale di XSLT elementi di riferimento