Синтаксический XMLList

 
There is an XMLList of items, each item has three properties: prop1, 
prop2, and prop3. 
There are two TextAreas, t1 and t2. 
t1 displays the XMLList.toString 
t2 is blank 
There are two buttons: Show and Clear. 
When you click Show, the following should happen: 
For each item in the XMLList, if prop3 is false and prop1 is "BB", 
then add that item's prop2 to the text of t2. 
My code is below. 
It's only showing some of the results, not all expected. (It should show L3a and L3y. It only shows L3y.) 
What am I doing wrong? 
===

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> 
<mx:Script> 
<![CDATA[ 
    [Bindable] 
    private var xmlList:XMLList = 
     <> 
     <item prop1="AA" prop2="L0" prop3="true" > 
      <item prop1="AA" prop2="L1a" prop3="true" > 
       <item prop1="AA" prop2="L2a" prop3="true" > 
        <item prop1="BB" prop2="L3a" prop3="false" /> 
        <item prop1="AA" prop2="L3b" prop3="false" /> 
       </item> 
      </item> 
      <item prop1="AA" prop2="L1b" prop3="true" > 
       <item prop1="AA" prop2="L2x" prop3="true" > 
        <item prop1="AA" prop2="L3x" prop3="false" /> 
       </item> 
       <item prop1="AA" prop2="L2y" prop3="true" > 
        <item prop1="BB" prop2="L3y" prop3="false" /> 
       </item> 
      </item> 
     </item>  
     </>; 
    private function showBBs():void{ 
     lookForBBs(xmlList.children()); 
    } 
    private function lookForBBs(list:XMLList):void{ 
     for each (var x:XML in list){ 
      if ([email protected] == "false"){ 
       if ([email protected] == "BB"){ 
        t2.text += [email protected]+"\n"; 
       } 
      } 
      else{ 
       lookForBBs(x.children()); 
      } 
     } 
    } 
]]> 
</mx:Script> 
    <mx:HBox width="100%" height="100%"> 
     <mx:TextArea id="t1" text="{xmlList.toString()}" width="100%" height="100%"/> 
     <mx:Button label="Show" click="showBBs()"/> 
     <mx:Button label="Clear" click="{t2.text=''}"/> 
     <mx:TextArea id="t2" text="" width="100%" height="100%"/> 
    </mx:HBox> 
</mx:Application>

источник

2009-09-06 Anonymous

Проблема с помощью "x.item. @ PropX" вместо просто "х. @ PropX" в lookForBBs(). Использование «x.item» проверяет все дочерние элементы x с тегом item и объединяет результаты. Так включая этот след внутри вашей для каждого цикла:

trace([email protected]+", "[email protected]+", "[email protected]);

производит следующее:

AA, L2a, true 
BBAA, L3aL3b, falsefalse 
, , 
, , 
AAAA, L2xL2y, truetrue 
AA, L3x, false 
BB, L3y, false

Попробуйте вместо этого:

private function lookForBBs(list:XMLList):void{ 
      for each (var x:XML in list){ 
        if ([email protected] == "false"){ 
          if ([email protected] == "BB"){ 
            t2.text += [email protected]+"\n"; 
          }  
        } 
        else{ 
          lookForBBs(x.children()); 
        } 
      } 
    }

источник

2009-09-06 19:53:47

Синтаксический XMLList

ответ

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