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flex和javascript交互例子

flex和javascript交互flexjavascript 
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flex 代码：flexjavascript.mxml 
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx"
			   xmlns:supportClasses="com.esri.ags.skins.supportClasses.*" 
			   minWidth="200" minHeight="300"
			   creationComplete="initApp()">
	<fx:Script>
		<![CDATA[
			
			import mx.controls.Alert;   
			
			public function flexHelloWorld(param1:String, param2:String):String {   
				Alert.show("param1: " + param1 + "; param2:" + param2);   
				return "Hello " + param1 + param2;   
			}   
			//初始化定义，可以被javascript调用的函数
			public function initApp():void {   
				ExternalInterface.addCallback("flexHelloWorld", flexHelloWorld); 
			}   
			//调用javascript的hello函数，传递的参数是flex：quanjing
			public function jspHello():void {   
				var s:String = ExternalInterface.call("hello", "Flex:quanjing");   
				Alert.show(s);    
			}  
			
		]]>
	</fx:Script>
	
	
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	
	<mx:Button x="52" y="58" label="call javascript" click="jspHello()"/>  
</s:Application>

html页面： 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>test</title>
<script type="text/javascript" src="swfobject.js"></script>
<script language="JavaScript" type="text/javascript">
//被flex调用的函数
function hello(param) {   
    alert(param);   
    return "jsp Hello33333333:" + param;   
}   
//调用flex里的函数flexHelloWorld，传递两个参数hello，world。
//在javascript里可以调用flex的函数，但必须在flex初始化时候指定过之后， 
function callFlexFunction() {   
    var x = thisSWF("mySWF").flexHelloWorld("Hello", "world");   
    alert(x);   
}

//根据id获取flex对象
function thisSWF(swfID){
	if (navigator.appName.indexOf("Microsoft") != -1) {
		return window[swfID];
	} else {
		return document[swfID];
	}
}

	swfobject.embedSWF("flexjavascript.swf"+window.location.search, "mySWF", "100%", "100%", "9.0.0");
</script>
<style type="text/css" media="screen">
	html, body, #mySWF { height:400px; }
	body { margin:0; padding:0; overflow:hidden; }
</style>
</head>
<body style="margin:0px;padding:0px;">
<div id="mySWF">
</div>
  <div>
    <input type=button value="Call Flex" onclick="callFlexFunction()"/>
  </div>
</body>
</html>



最后有完整工程下载的地址，可以下载了看看！
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