如何在Flex / Actionscript中从XML检索节点名称

Question

I have some data xml data that looks like this

<root xsi:noNamespaceSchemaLocation="test1.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <configuration>
    <CLICK/>
    <KLT/>
    <DETd/>
  </configuration>
</root>

I get a list of the configurations using

var results:XMLList = xml.configuration.*;

Now I want to loop over the XMLList and output CLICK, KLT, DETd etc. but how in XML do I get the node name as such

Answer 1

XML:

<root>
    <parentNode>
        <childNode1>1</childNode1>
        <childNode2>2</childNode2>
        <childNode3>3</childNode3>
    </parentNode>
</root>

All you need to do is use .name() while iterating through parentNode 's children() .

for(var i:int=0;i<xml.children()[0].children().length();i++)
{
    var currentNode:XML = xml.children()[0].children()[i];
    trace(currentNode.name());
}

//childNode1
//childNode2
//childNode3

More:

1. http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/XMLList.html
2. http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/XML.html

Answer 2

Just use the name as the accessor.

for each (var prop:XML in xml.configuration.*) 
{ 
    trace(prop.name());
}

You had xml.configuration.* listing what was needed, so you were half-way there. Just take each element as an XML in the iteration (with a for each loop).

Answer 3

You can use the name() method on any XML node, like so:

for each(var n:XML in results){
    trace(n.name());
}

Will output:

CLICK
KLT
DETd