用于获取最后一个元素的属性值的XSLT代码

Question

I am XSLT beginner and have an XML with the connections tags as mentioned below ..

This is my XML:

<connections sourceElement="/3/@elements.2" targetElement="/3/@elements.0" schemaName="Target_Query"/> 
<connections sourceElement="/3/@elements.1" targetElement="/3/@elements.3" schemaName="R3_DF_PRODUCT"/> 
<connections sourceElement="/3/@elements.3" targetElement="/3/@elements.2" schemaName="Transform3"/>

And I want to iterate through the connections and get only the last one

//dataflow:DataFlow/connections 

(which @targetElement isn't used as @SourceElement in other <connections> ).
I need to get the value of @schemaName .

Can any body help with the sample snippets to achieve this?

Answer 1

To get the schemaName attribute of the last connections element, you can use the following XPath-1.0 expression:

//dataflow:DataFlow/connections[last()]/@schemaName

IN XSLT it can be accessed with

<xsl:value-of select="//dataflow:DataFlow/connections[last()]/@schemaName"/>

Output is:

Transform3