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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±ØÐë¸ø¸Ã¶ÔÏóÌí¼ÓÒ»¸öCompleteʼþµÄ¼àÌýÆ÷,½ÓÊÕ·þÎñÆ÷·µ»ØµÄÐÅÏ¢. ´«Êä¹ý³ÌÖÐÓпÉÄܲúÉúIO´íÎó, ÓбØÒªÊ±¿ÉÒÔΪ¸Ã¶ÔÏóÌí¼ÓIOError¼àÌýÆ÷.
 
Àý×Ó:
var request: URLRequest = new URLRequest("http://localhost");
//ĬÈÏΪURLRequestMethod.GET, ÈôʹÓÃGET·½Ê½¿ÉÒÔ²»Ö¸¶¨
request.method = URLRequestMethod.POST;
//´´½¨Ò»¸ö²ÎÊý±äÁ¿¶ÔÏó,ÓÃÓÚ±£´æËùÓÐÏò·þÎñ·¢Ë͵IJÎÊýÊý¾Ý, GET·½Ê½¿ÉÒÔ²»Ê¹ÓÃ
var vars: URLVariables = new URLVariables ();
vars["varName"] = varValue; //°Ñ²ÎÊý¼ü,Öµ¶Ô·Åµ½vars¶ÔÏóÖÐ.
vars["var2Name"] = var2Value;
request.data = vars;        //°Ñ²ÎÊý¶ÔÏó·Å½øRequest¶ÔÏóÖÐ×÷Ϊ²ÎÊý
// ͨ¹ýrequest¶ÔÏó´´½¨Ò»¸öloader,
var loader: URLLoader = new URLLoader(request);
loader.addEventListener(       //¸øloader¶ÔÏóÌí¼ÓÍê³ÉʱµÄ¼àÌýÆ÷.
       Event.COMPLETE,
       function(e: Event):void         //ÁÙʱ¶¨ÒåÒ»¸ö¼àÌýÆ÷
  


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