Xslt 简明教程

XSLT <sort>

<xsl:sort> 标记指定节点的排序条件。

<xsl:sort> tag specifies a sort criteria on the nodes.

Declaration

以下是 <xsl:sort> 元素的语法声明。

Following is the syntax declaration of <xsl:sort> element.

<xsl:sort
   select = string-expression
   lang = { nmtoken }
   data-type = { "text" | "number" | QName }
   order = { "ascending" | "descending" }
   case-order = { "upper-first" | "lower-first" } >
</xsl:sort>

Attributes

Sr.No

Name & Description

1

select Sorting key of the node.

2

lang Language alphabet used to determine sort order.

3

data-type Data type of the text.

4

order Sorting order. Default is "ascending".

5

case-order Sorting order of string by capitalization. Default is "upper-first".

Elements

Number of occurrences

Unlimited

Parent elements

xsl:apply-templates, xsl:for-each

Child elements

None

Demo Example

此示例通过迭代每个学生，并按照姓氏对他们进行排序，来创建带有其属性 rollno 及其子属性 <firstname>、<lastname>、<nickname> 和 <marks> 的 <table> 元素。

This example creates a table of <student> element with its attribute rollno and its child <firstname>, <lastname>, <nickname>, and <marks> by iterating over each student sort them by first name.

students.xml

students.xml

<?xml version = "1.0"?>
<?xml-stylesheet type = "text/xsl" href = "students.xsl"?>
<class>
   <student rollno = "393">
      <firstname>Dinkar</firstname>
      <lastname>Kad</lastname>
      <nickname>Dinkar</nickname>
      <marks>85</marks>
   </student>
   <student rollno = "493">
      <firstname>Vaneet</firstname>
      <lastname>Gupta</lastname>
      <nickname>Vinni</nickname>
      <marks>95</marks>
   </student>
   <student rollno = "593">
      <firstname>Jasvir</firstname>
      <lastname>Singh</lastname>
      <nickname>Jazz</nickname>
      <marks>90</marks>
   </student>
</class>

students.xsl

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>Students</h2>
            <table border = "1">
               <tr bgcolor = "#9acd32">
                  <th>Roll No</th>
                  <th>First Name</th>
                  <th>Last Name</th>
                  <th>Nick Name</th>
                  <th>Marks</th>
               </tr>

               <xsl:for-each select = "class/student">

                  <xsl:sort select = "firstname"/>
                  <tr>
                     <td><xsl:value-of select = "@rollno"/></td>
                     <td><xsl:value-of select = "firstname"/></td>
                     <td><xsl:value-of select = "lastname"/></td>
                     <td><xsl:value-of select = "nickname"/></td>
                     <td><xsl:value-of select = "marks"/></td>
                  </tr>
               </xsl:for-each>
            </table>
         </body>
      </html>
   </xsl:template>
</xsl:stylesheet>

Output

xlst students sorted