Alice,
When you define image_src variable, there is a context there (The
context is not in graphic element aparently). If there is not an url
attribute for current element, you will get empty when you say
<xsl:value-of select="./@url"/>. So the result is 0.
If you change your program to:
<xsl:template match="graphic">
<xsl:value-of select="string-length(@url)"/>
</xsl:template>
OR:
<xsl:template match="graphic">
<xsl:variable name="image_src">
<xsl:value-of select="./@url"/>
</xsl:variable>
<xsl:value-of select="string-length($image_src)"/>
</xsl:template>
It should work.
Hope this helps.
Jingjun
Alice Wei 写道:
Hi,
I am trying to create different sets of output based on the length of the
"string" of my variable. Below are the lines I used for calculation:
<xsl:variable name="image_src">
<xsl:value-of select="./@url"/>
</xsl:variable>
<xsl:template match="graphic">
<xsl:value-of select="string-length($image_src)"/>
</xsl:template>
If I have XML like: <graphic url="0125"/>. the result is supposed to come out with 4. And, likewise,
<graphic url="123456"/> should come out with 6. However, when I run the XSLT, it only gives me
"0". Is there something I have done wrong?
Thanks to those who may help.
Alice
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