XSLT <for-each>標籤

<xsl:for-each>標記為每個節點重複應用範本。

聲明
以下是<xsl:for-each>元素的語法聲明

<xsl:for-each
   select = Expression >
</xsl:for-each>

屬性

  • Select - 要在當前上下文中計算的XPath運算式,以確定要迭代的節點集。

元素

  • 父元素 - xsl:attribute, xsl:comment, xsl:copy, xsl:element, xsl:fallback, xsl:foreach, xsl:if, xsl:message, xsl:otherwise, xsl:param, xsl:processing-instruction, xsl:template, xsl:variable, xsl:when, xsl:with-param, 輸出元素.
  • 子元素 - xsl:apply-imports, xsl:apply-templates, xsl:attribute, xsl:call-template, xsl:choose, xsl:comment, xsl:copy, xsl:copy-of, xsl:element, xsl:fallback, xsl:for-each, xsl:if, xsl:message, xsl:number, xsl:processing-instruction, xsl:sort, xsl:text, xsl:value-of, xsl:variable等。

示例

此示例通過迭代每個學生創建一個<student>元素的表格,其中包含其屬性rollno及其子素:<firstname><lastname><nickname><marks>

檔:students.xml -

<?xml version = "1.0"?>
<?xml-stylesheet type = "text/xsl" href = "students.xsl"?>
<class>
   <student rollno = "10010">
      <firstname>Machine</firstname>
      <lastname>Lee</lastname>
      <nickname>Machine</nickname>
      <marks>85</marks>
   </student>
   <student rollno = "10020">
      <firstname>Max</firstname>
      <lastname>Su</lastname>
      <nickname>Maxsu</nickname>
      <marks>95</marks>
   </student>
   <student rollno = "10030">
      <firstname>Yii</firstname>
      <lastname>Bai</lastname>
      <nickname>zaixian</nickname>
      <marks>90</marks>
   </student>
</class>

檔: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>學生資訊列表</h2>
            <table border = "1">
               <tr bgcolor = "#3498db">
                  <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">

                  <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>

在流覽器中打上面檔:student.xml,效果如下所示 -


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