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¹ØÓÚflex¶ÁÈ¡±¾µØÎļþµÄÎÊÌâ

FLEX±àÒëµÄSWFÎļþ£¬Ö»ÄÜÑ¡Ôñ·ÃÎʱ¾µØÎļþ»ò·ÃÎÊÍøÂçÎļþ£¬¶þÕßÖ»ÄÜȡһ£¨àÅ£¬ÎªÊ²Ã´£¿ÎÒÒ²²»ÖªµÀ£¬¹Ù·½ËµÊÇΪÁ˰²È«¿¼ÂÇ£©£¬¶øFLEX±àÒëµÄĬÈÏÑ¡ÏîÊÇÖ»ÄÜ·ÃÎÊÍøÂçÎļþ£¬ËùÒÔÄ㽫binÀïµÄ¶«Î÷COPYµ½ÆäËûµØ·½¾Í²»ÄܶÁÈ¡ÁË¡£¶øÄãÔÚĬÈϵÄbinĿ¼Ï¿ÉÒÔ¶ÁÈ¡µÃµ½£¬ÊÇÒòΪFLEXÈÏΪÄãÊÇÔÚIDE»·¾³ÖÖ£¬ÕâʱÊÇûÓÐÕâ¸öËùνµÄ°²È«ÏÞÖÆµÄ¡£
½â¾ö°ì·¨¾ÍÊÇÔÚ±àÒëʱ£¬¼Ó¸ö²ÎÊý -use-network=false ¾ÍOKÁË (FBÀï,Ñ¡²Ëµ¥Project>Properties>Flex CompilerÊäÈëÕâ¸ö²ÎÊý)
µ«ÕâÑù×öµÄ»°,ÄãµÄSWF¾Í²»ÄܶÁÈ¡ÍøÂçµÄÊý¾ÝÁË. ......

¹ØÓÚflexÖÐtreeµÄʼþ£¬Õ¹¿ªÊ¼þ

£¨1£©treeµã»÷ʼþpublic function handleList(ev:ResultEvent)
{
sourceList=ev.result as ArrayCollection;
}
private function tree_itemClick(evt:ListEvent):void {
var item:Object = Tree(evt.currentTarget).selectedItem;
if (pmtree.dataDescriptor.isBranch(item)) {
pmtree.expandItem(item, !pmtree.isItemOpen(item), true);
}
Alert.show(item["id"].toString());
}

 
(2) ×Ô¶¯Õ¹¿ª
Tree. openItems=Êý¾ÝÔ´;  ¼´¿É
(3) FlexÖÐÈçºÎÀûÓÃdataDescriptorºÍlabelFunctionÊôÐÔ£¬ÒÔ¼°hasChildren()ºÍgetChildren()º¯ÊýÉèÖÃTreeÖаüº¬×Ó½Úµã¸öÊý¡£1. <?xml version="1.0" encoding="utf-8"?>
2. <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
3. layout="vertical"
4. verticalAlign="middle"
5. backgroundColor="white">
6.
7. <mx:Script>
8. <!--[CDATA[
9. private function tree_labelFunc(item:XML):String {
10. va ......

flex ×é¼þµÄ²¼¾Ö Òþ²Ø×é¼þ

×é¼þÖØµþÏÔʾ£¬Ê¹ÓÃÊôÐÔincludeInLayoutµÄtrue»òfalse
ÔÚFlexÖУ¬½«includeInLayoutÉèÖÃΪfalse£¬²¢²»´ú±í´Ó“²¼¾Ö”ÖГÒþ²Ø”µôÕâ¸öUIComponent£¬¶ø½ö½öÊǽ«Õâ¸öUIComponent´Ó²¼¾ÖÖкöÂÔ£¬Ö±½Ó²¼¾ÖÏÂÒ»¸ö¶ÔÏó¡£Èç¹ûÏëÍêÈ«´ÓÈÝÆ÷ÖÐÒþ²ØµôÒ»¸ö¶ÔÏó£¬ÇëͬʱʹÓÃvisible=”false” includeInLayout=”false” ......

Flex ¼ÓÉîѧϰ±Ê¼Ç( )

Flex ¼ÓÉîѧϰ±Ê¼Ç(-)
±¾ÎÄϵÎÒ½øÒ»²½¼ÓÉîFlexÏà¹ØµÄѧϰ¶ø×öµÄѧϰ±Ê¼Ç,ÆäÖв»·¦Óвο¼×ªÔصÄÏà¹ØÊéµÄÎÄÕÂ,Ò²²»·¦ÓÐ×Ô¼ºÐ´µÄЩ¶«Î÷.Õ⵱ȻҲ±ÜÃâ²»ÁË¿ÉÄÜ»á³öÏֵĴíÎó(±¾È˵ÄÀí½â´íÎó»òÃèÊö´íÎó).ÍûÅóÓÑÃǽöÒÔÎÒµÄBlog×÷ΪÄúѧϰ·ÉϵIJο¼,Ò»ÇнÔ×Ô¼º³¢ÊÔºóÊÇÕýÈ·µÄ²ÅÊÇÕýÈ·µÄ.
»¶Ó­´ó¼ÒÒ»Æð½»Á÷ѧϰ;
»¶Ó­´ó¼ÒÅÄש;
addEventListener( type:String, listener:Function, useCapture:Boolean=false, priority:int=0, useWeakReference:Boolean=false ) : void
useCaptureµÄÒâÒåÊÇ"ÊÇ·ñÓÃÔÚ²¶»ñÆÚ",ĬÈÏÖµÊÇfalse;
priorityÓÅÏȶÈ,ͬһ¸öÀàÐÍʼþ,ÓÅÏȶÈÔ½´óµÄ¼àÌýÆ÷»áÔ½Ôç±»µ÷ÓÃ,ĬÈÏÖµÊÇ0;
useWeakReferenceÊÇ·ñÊÇÈõÒýÓÃ,AS3¼ÓÈëÁËÈõÒýÓõŦÄÜ,¼´ÊÇÕâ´ÎÒýÓò»»á¼ÆËãµ½ÒýÓüÇÊýÖÐ,À¬»ø»ØÊÕÆ÷»áÔÚÒ»¸ö¶ÔÏóûÓб»ÈÎºÎÆäËû¶ÔÏóÒýÓõÄʱºò,°ÑËü»ØÊÕ. ......

¼òµ¥½éÉÜFlexÓëWeb·þÎñ¶ËµÄ½»»¥

¼òµ¥½éÉÜÐÅFlexÓëWeb·þÎñµÄ½»»¥
Ö÷ÒªÄÚÈÝ:
       1.ActionScriptÓë·þÎñ¶ËµÄ»ù±¾½»»¥·½Ê½(REST).
       2.ActionScriptÌØÓеÄÊý¾Ý´«Êä¸ñʽ(AMF)Óë·þÎñÆ÷½»»¥.
       3.FlexÓëWebService.
 
ҪʵÏÖActionScriptÓë·þÎñ¶Ë½»»¥, Ê×ÏȱØÐëÖªµÀÒÔϼ¸¸öÀà:
       URLRequestÀà
       ¼Ç¼ÇëÇó·þÎñ¶ËµÄURLÐÅÏ¢, ¸øURLLoader½øÐз¢ËͲÙ×÷.
      URLVariablesÀà
       ±£´æÏò·þÎñ¶ËÇëÇóËùÐèµÄ²ÎÊý, Ò»°ãÓÃÓÚPOST·½Ê½´«Êä,GET·½Ê½´«Êä²»ÐèҪʹÓÃ.
       URLRequestMethodÀà
       ¸ÃÀàÖ»ÓÐÁ½¸ö¾²Ì¬³£Á¿Öµ, Ò»¸öÊÇPOST, Ò»¸öÊÇGET, ¿ÉÒÔ°ÑËüµ±×÷ÊÇÒ»¸öö¾ÙÀàÐÍ, ÓÃÓÚÖ¸¶¨URLÇëÇóʱʹÓÃPOST·½Ê½»òÊÇGET·½Ê½.
       URLLoaderÀà
       ÕæÕýÓë·þÎñ¶Ë´ò½»µÀµÄÀà, ͨ¹ýload·½·¨°ÑÒ»¸öReuqest·¢Ë͸ø·þÎñ¶Ë, ÔÚload֮ǰ± ......

Flex 4 : ʹÓà AreaChart ¿Ø¼þ

http://www.slsay.com/archives/154
ʹÓà AreaChart ¿Ø¼þ½«Êý¾ÝչʾΪÆäÏßÐͱ߽ç±íʾÊý¾ÝÖµµÄÃæ»ýÇøÓò¡£Ãæ»ýÇøÓòÓÉÏßÌõ¼°ÆäϱßËùÌî³äµÄÑÕÉ«ºÍͼ°¸×é³É¡£¿ÉÒÔʹÓÃͼ±ê»ò·ûºÅÑØ×ű߽çÏßչʾÿ¸öÊý¾Ýµã£¬Ò²¿ÉÒÔչʾ²»´øÍ¼±êµÄ¼òµ¥ÇøÓòÏß¡£
´´½¨ AreaChart ¿Ø¼þµÄÀý×ÓÈçÏ£º
<?xml version="1.0"
?>
<!-- charts/BasicArea.mxml -->
<!-- http://www.slsay.com/archives/154 -->
<mx:Application
       xmlns:fx="http://ns.adobe.com/mxml/2009"
       xmlns:mx="library://ns.adobe.com/flex/halo"
       xmlns:s="library://ns.adobe.com/flex/spark"
       creationComplete="srv.send()"
>
    <fx:Declarations
>
        <mx:HTTPService
id="srv"
url="http://aspexamples.adobe.com/chart_examples/expenses-xml.aspx"
/>
            </fx:Declarations
>
  &n ......
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