JavaScript 调用 ActionScript 的简单方法

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com//mxml" layout="vertical" horizontalAlign="left" backgroundColor="white"
initialize="init()">
<mx:Label text="城市名称："/>
<mx:List id="cityList" width="" height="" dataProvider="{cities}"/>
<mx:ArrayCollection id="cities">
<mx:String>北京</mx:String>
<mx:String>上海</mx:String>
</mx:ArrayCollection>
<mx:Script>
<![CDATA[
private function init(): void
{
//注册回调函数供JavaScript调用
ExternalInterface.addCallback("callActionScript", asFunctionByJs);
}
private function asFunctionByJs(city: String): void
{
cities.addItem(city); 
}
]]>
</mx:Script>
</mx:Application>

<!-- saved from url=(0014)about:internet -->
<html lang="en">
<!-- 
Smart developers always View Source. 
This application was built using Adobe Flex, an open source framework
for building rich Internet applications that get delivered via the
Flash Player or to desktops via Adobe AIR. 
Learn more about Flex at http://flex.org 
// -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-" />
<!-- BEGIN Browser History required section -->
<link rel="stylesheet" type="text/css" href="history/history.css" />
<!-- END Browser History required section -->
<title></title>
<script src="AC_OETags.js" language="javascript"></script>
<!-- BEGIN Browser History required section -->
<script src="history/history.js" language="javascript"></script>
<!-- END Browser History required section -->
<style>
body {}{ margin: px; overflow:hidden }
</style>
<script language="JavaScript" type="text/javascript">
<!--
// -----------------------------------------------------------------------------
// Globals
// Major version of Flash required

var requiredMajorVersion = 9;
// Minor version of Flash required
var requiredMinorVersion = 0;
// Minor version of Flash required
var requiredRevision = 124;
// -----------------------------------------------------------------------------
// -->
</script>
<script type="text/javascript">
function callActionScript(value)
{
//根据id获取flash实例，在这里id是CallAsFromJs，可以从Embed
var flash = (navigator.appName.indexOf ("Microsoft") !=-)?window["CallAsFromJs"]:document["CallAsFromJs"];
//调用ActionScript注册的回调方法
flash.callActionScript(value);
}
</script>
</head>
<body scroll="no">
输入城市名称：<input type="text" id="newCityName"/><input type="button" value="添加城市" onclick="callActionScript(newCityName.value);"/>
<script language="JavaScript" type="text/javascript">
<!--
// Version check for the Flash Player that has the ability to start Player Product Install (6.0r65)

var hasProductInstall = DetectFlashVer(6, 0, 65);
// Version check based upon the values defined in globals
var hasRequestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
if ( hasProductInstall && !hasRequestedVersion ) {
// DO NOT MODIFY THE FOLLOWING FOUR LINES
// Location visited after installation is complete if installation is required
var MMPlayerType = (isIE == true) ? "ActiveX" : "PlugIn";
var MMredirectURL = window.location;
document.title = document.title.slice(0, 47) + " - Flash Player Installation";
var MMdoctitle = document.title;
AC_FL_RunContent(
"src", "playerProductInstall",
"FlashVars", "MMredirectURL="+MMredirectURL+'&MMplayerType='+MMPlayerType+'&MMdoctitle='+MMdoctitle+"",
"width", "100%",
"height", "100%",
"align", "middle",
"id", "CallAsFromJs",
"quality", "high",
"bgcolor", "#ffffff",
"name", "CallAsFromJs",
"allowScriptAccess","sameDomain",
"type", "application/x-shockwave-flash",
"pluginspage", "http://www.adobe.com/go/getflashplayer"
);
} else if (hasRequestedVersion) {
// if we've detected an acceptable version
// embed the Flash Content SWF when all tests are passed
AC_FL_RunContent(
"src", "CallAsFromJs",
"width", "%",
"height", "%",
"align", "middle",
"id", "CallAsFromJs",
"quality", "high",
"bgcolor", "#ffffff",
"name", "CallAsFromJs",
"allowScriptAccess","sameDomain",
"type", "application/x-shockwave-flash",
"pluginspage", "http://www.adobe.com/go/getflashplayer"
);
} else { // flash is too old or we can't detect the plugin
var alternateContent = 'Alternate HTML content should be placed here. '
+ 'This content requires the Adobe Flash Player. '
+ '<a href=http://www.adobe.com/go/getflash/>Get Flash</a>';
document.write(alternateContent); // insert non-flash content
}
// -->
</script>
<noscript>
<object classid="clsid:DCDBE-AED-cf-B-"
id="CallAsFromJs" width="%" height="%"
codebase="http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab">
<param name="movie" value="CallAsFromJs.swf" />
<param name="quality" value="high" />
<param name="bgcolor" value="#ffffff" />
<param name="allowScriptAccess" value="sameDomain" />
<embed src="CallAsFromJs.swf" quality="high" bgcolor="#ffffff"
width="%" height="%" name="CallAsFromJs" align="middle"
play="true"
loop="false"
quality="high"
allowScriptAccess="sameDomain"
type="application/x-shockwave-flash"
pluginspage="http://www.adobe.com/go/getflashplayer">
</embed>
</object>
</noscript>
</body>
</html>