Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Flex»ù´¡ÖªÊ¶µã


ÔÚApplicationÖÐÌí¼Ó·ÇUIComponent×é¼þ
Æ©ÈçÒÔÏ´úÂë¾Í»á±¨´í£º
private function init():void { var sp:Sprite = new Sprite(); addChild(sp);}
TypeError: Error #1034: Ç¿ÖÆ×ª»»ÀàÐÍʧ°Ü:ÎÞ·¨½« flash.display::Sprite@156b7b1 ת»»Îª mx.core.IUIComponent¡£
ÕâÊÇÒòΪApplicationµÄaddChild·½·¨²¢·ÇÍêÈ«¼Ì³Ð×ÔDisplayObjectContainer£¬
Application→LayoutContainer→Container →UIComponent→FlexSprite→Sprite
→DisplayObjectContainer
¶øÊÇÔÚContainerÄÇÀï±»ÖØÐ´ÁË£º
public override function addChild(child:DisplayObject):DisplayObject
ËäÈ»²ÎÊýchildµÄÀàÐÍÊÇDisplayObject£¬µ«ÊÇËü±ØÐëʵÏÖIUIComponent½Ó¿Ú£¨ËùÓÐFlex×é¼þ¶¼ÊµÏÖÁËÕâÒ»½Ó¿Ú£©£¬²ÅÄÜÌí¼Ó¡£
Èç¹ûÒªÔÚApplicationÀïÌí¼ÓSprite£¬¿ÉÒÔÏȰÑËü×°½øÒ»¸öUIComponent£¬È»ºóÔÙÌí¼ÓÕâ¸öUIComponent£º
¹Ù·½µÄ˵·¨£º
* <p><b>Note: </b>While the <code>child</code> argument to the method
* is specified as of type DisplayObject, the argument must implement
* the IUIComponent interface to be added as a child of a container.
* All Flex components implement this interface.</p>
Àý×Ó£º
import mx.core.UIComponent;private function init():void {
var sp:Sprite = new Sprite();
var uc:UIComponent = new UIComponent();
uc.addChild(sp); addChild(uc);
}
ΪºÎÒªÖØÔØEventµÄclone·½·¨
Ò»°ãÇé¿öÏÂÊÇûÓÐÎÊÌâµÄ£¬µ«ÊÇÒÔÏÂÇé¾°Ï»á³öÎÊÌâ
¾Ù¸öÀý×Ó£¬ÀÏʦµãÃû£¬Ñ§ÉúÓ¦´ð£¬Èç¹ûѧÉúÓ¦´ðÒԺ󣬿δú±í¼Ç¼Òѵ½
Ê×ÏÈteacher.addEventListener(CallEvent.CALL, student.receive);
ÔÚteacherÉÏÌí¼ÓCallEvent,
teacher.call("name1" );
µ±teacher·¢³öcallʼþµÄʱºò£¬study»áÓ¦´ð£¬
public function receive(e:CallEvent):void
{
    if (e.name == this.name)
    {
     trace(name + " is here");
     this.dispatchEvent(e);
    }
}
Èç¹û×öµ½ÕâÀï¾Í½áÊøÍêȫûÓбØÒªÖØÔØclone·½·¨£¬µ«ÊÇÈç¹ûºóÐø¿Î´ú±íÒª¼àÌýѧÉúµÄreceiveʼþ¼Ç¼µÄʱºò¾Í±ØÐëÒªÖØÔØ
EventµÄclone·½·¨£¬·ñÔòµÄ»°£¬student.addEventListener(CallEvent.CALL, add);ÔÚaddÖоͻá³öÏÖÂ


Ïà¹ØÎĵµ£º

Flexʼþ´¦Àí

»ù±¾Ê¼þ´¦Àí
ÓÃÓÚÖ¸¶¨ÎªÏìÓ¦ÌØ¶¨Ê¼þ¶øÓ¦Ö´ÐеÄÌØ¶¨²Ù×÷µÄ¼¼Êõ³ÆÎªÊ¼þ´¦Àí¡£ÔÚ±àдִÐÐʼþ´¦ÀíµÄ ActionScript ´úÂëʱ£¬ÄúÐèҪʶ
±ðÈý¸öÖØÒªÔªËØ£º
• ʼþÔ´£º·¢Éú¸ÃʼþµÄÊÇÄĸö¶ÔÏó£¿ÀýÈ磬Äĸö°´Å¥»á±»µ¥»÷£¬»òÄĸö Loader ¶ÔÏóÕýÔÚ¼ÓÔØÍ¼Ïñ£¿Ê¼þÔ´Ò²³ÆÎªÊ¼þÄ¿
±ê£¬ÒòΪ Flash Player »ò AIR ½«´Ë¶ÔÏó×÷Ϊ ......

as ÔËËã·û£¨FLEX£©

as ÔËËã·ûÊÇ ActionScript 3.0 ÖеÄÐÂÔöÔËËã·û£¬Ò²¿ÉÓÃÀ´¼ì²é±í´ïʽÊÇ·ñΪ¸ø¶¨Êý¾ÝÀàÐ͵ijÉÔ±¡£µ«ÊÇ£¬Óë is ÔËËã·û²»Í¬µÄ
ÊÇ£¬as ÔËËã·û²»·µ»Ø²¼¶ûÖµ£¬as ÔËËã·û·µ»Ø±í´ïʽµÄÖµ£¨´úÌæ true£©»ò null£¨´úÌæ false£©¡£ÏÂÃæµÄʾÀýÑÝʾÔÚ¼ì²é Sprite ʵÀý
ÊÇ·ñΪ DisplayObject¡¢IEventDispatcher ºÍ Number Êý¾ÝÀàÐ͵ijÉÔ±Õâ ......

ÈçºÎ´Ó itemRenderer ÖзÖÅÉʼþ[Flex][·­Òë]

Ô­ÎÄ£ºHow to dispatch an event from a custom item renderer
´Ó MXML ×é¼þÖзÖÅÉʼþ²¢²»À§ÄÑ£¬µ«ÊÇÏëÒª´Ó itemRenderer ÖзÖÅÉʼþ¾ÍûÓÐÄÇôֱ½ÓÁË¡£ÏÂÎÄÖУ¬ÎÒÃǽ«»Ø¹ËÒ»ÏÂÕâÁ½ÖÖÇé¿öµÄ´¦Àí·½Ê½²¢ÕÒ³öÒ»¸öºÏÊʵĽâ¾ö·½°¸¡£
Õý³£Çé¿öÏ£¬µ±ÄãÏë´Ó MXML ×é¼þÖзÖÅÉÒ»¸öʼþʱ»áʹÓÃÈçϵÄÔªÊý¾Ý±êÇ©£º
<!-- дÔÚÄ ......

Flex Builder 4×¢²áÂ룬Flex Builder 4¼¤»î

֮ǰ·¢¹ýһƬ¹ØÓÚFlex Builder 4×¢²áÂëµÄÎÄÕ£¬µ«ÊÇÓÉÓÚÀïÍ·µÄÐòÁкźÃÏñ¶¼¹ýÆÚÁË£¬ËùÒÔ¾ÍÓÖÕÒÁËÏ¿´ÈçºÎ¼¤»î¡£
Ê×ÏȰÑ×Ô¼ºµÄhostsÎļþÀï¼ÓÉÏÒ»ÐУº
127.0.0.1 activate.adobe.com
È»ºóÔÚ´ò¿ªFlex Builder 4
ÊäÈëÈçÏÂ×¢²áÂ룺
1424-4118-1138-0912-4001-7222
×¢²á£¬OK
ÒÔºóǧÍò¼Çס²»ÒªÈÃQQÒ½Éú»òÕß360°ÑÄãµÄHostsÎÄ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ