XPath通配符
XPath在要與XPath表達式一起使用的節點上定義以下通配符。
序號
通配符
描述
1
*
用於匹配任何節點。
2
.
用於匹配上下文中的當前節點。
3
@*
用於匹配任何屬性。
4
node()
用於匹配任何類型的節點。
示例
此示例通過迭代每個學生創建一個包含其詳細信息的<student>
元素。
文件:students.xml -
<?xml version = "1.0"?>
<?xml-stylesheet type = "text/xsl" href = "students.xsl"?>
<class>
<student rollno = "393">
<firstname>Dinkar</firstname>
<lastname>Su</lastname>
<nickname>MaXX</nickname>
<marks>88</marks>
</student>
<student rollno = "493">
<firstname>Vaneet</firstname>
<lastname>Lee</lastname>
<nickname>Vicky</nickname>
<marks>95</marks>
</student>
<student rollno = "593">
<firstname>Jasvir</firstname>
<lastname>Wong</lastname>
<nickname>Jazz</nickname>
<marks>90</marks>
</student>
</class>
文件:students.xsl -
<?xml version = "1.0" encoding = "UTF-8"?>
<xsl:stylesheet version = "1.0"
xmlns:xsl = "http://www.w3.org/1999/XSL/Transform">
<xsl:template match = "/">
<html>
<body>
<h2>學生信息列表如下 - </h2>
<xsl:apply-templates select = "class/*" />
</body>
</html>
</xsl:template>
<xsl:template match = "class/*">
<xsl:apply-templates select = "@rollno" />
<xsl:apply-templates select = "firstname" />
<xsl:apply-templates select = "lastname" />
<xsl:apply-templates select = "nickname" />
<xsl:apply-templates select = "marks" />
<br />
</xsl:template>
<xsl:template match = "@rollno">
<span style = "font-size = 22px;">
<xsl:value-of select = "." />
</span>
<br />
</xsl:template>
<xsl:template match = "firstname">
名字:<span style = "color:blue;">
<xsl:value-of select = "." />
</span>
<br />
</xsl:template>
<xsl:template match = "lastname">
姓氏:<span style = "color:green;">
<xsl:value-of select = "." />
</span>
<br />
</xsl:template>
<xsl:template match = "nickname">
暱稱:<span style = "color:red;">
<xsl:value-of select = "." />
</span>
<br />
</xsl:template>
<xsl:template match = "marks">
分數:<span style = "color:gray;">
<xsl:value-of select = "." />
</span>
<br />
</xsl:template>
</xsl:stylesheet>
使用瀏覽器打開上面文件:student.xsl,顯示效果如下所示 -