variable
XSLT <xsl:variable> elementi
❮ To‘liq XSLT elementlari ma’lumotnomasi
Ta’rif va qo‘llanilishi
<xsl:variable> elementi lokal yoki global o‘zgaruvchini e’lon qilish uchun ishlatiladi.
Eslatma: O‘zgaruvchi yuqori darajadagi element sifatida e’lon qilingan bo‘lsa global, shablon ichida e’lon qilingan bo‘lsa lokal hisoblanadi.
Eslatma: O‘zgaruvchining qiymatini bir marta o‘rnatganingizdan keyin bu qiymatni o‘zgartira yoki tahrirlay olmaysiz!
Maslahat: O‘zgaruvchiga qiymatni <xsl:variable> elementining tarkibi orqali YOKI select atributi orqali berishingiz mumkin!
Sintaksis
<xsl:variable
name="name"
select="expression">
<!-- Content:template -->
</xsl:variable>Atributlar
| Atribut | Qiymat | Tavsif |
|---|---|---|
| name | name | Majburiy. O‘zgaruvchi nomini belgilaydi |
| select | expression | Ixtiyoriy. O‘zgaruvchi qiymatini belgilaydi |
1-misol
Agar select atributi mavjud bo‘lsa, <xsl:variable> elementi hech qanday tarkibga ega bo‘la olmaydi. Agar select atributi literal stringni o‘z ichiga olsa, string qo‘shtirnoq ichida bo‘lishi kerak. Quyidagi ikki misol "color" o‘zgaruvchisiga "red" qiymatini beradi:
<xsl:variable name="color" select="'red'" /><xsl:variable name="color" select='"red"' />2-misol
Agar <xsl:variable> elementida faqat name atributi bo‘lsa va hech qanday tarkib bo‘lmasa, o‘zgaruvchining qiymati bo‘sh string bo‘ladi:
<xsl:variable name="j" />3-misol
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:variable name="header">
<tr bgcolor="#9acd32">
<th>Title</th>
<th>Artist</th>
</tr>
</xsl:variable>
<xsl:template match="/">
<html>
<body>
<table border="1">
<xsl:copy-of select="$header" />
<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>❮ To‘liq XSLT elementlari ma’lumotnomasi
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