Actionscript与javascript交互实例程序(修改)

mxml页面：

<?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"
width="100%" height="100%" xmlns:code="http://code.google.com/p/flex-iframe/"
creationComplete="initApp()">
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import flash.external.*; //引入ExternalInterface
public function initApp():void
{
ExternalInterface.addCallback("myJsFunction",myAsFuncn);
button.addEventListener(MouseEvent.CLICK,buttonClick);
}
public function myAsFuncn(js:String):String
{
return "js:"+js+"访问了as："+asInput.text;
}
private function buttonClick(event:MouseEvent):void
{
trace(asInput.text);
label.text = "as 调用 js ...";
var result:String = callJS(asInput.text);
label.text = "返回值：" + result;
}
private function callJS(arg:String):String
{
return ExternalInterface.call("jsMethod",arg);
}
private function asMethod(arg:String):String
{
label.text = arg;
return "js 调用了 as 成功！";
}
]]>
</fx:Script>
<s:VGroup width="100%" height="100%">
<s:VGroup width="100%">
<mx:Button x="169.5" y="162" label="点击" fontSize="14" id="button"/>
<mx:TextInput id="asInput" x="122" y="76"/>
<s:Label id="label"/>
</s:VGroup>
</s:VGroup>
<code:IFrame source="MyHtml.html" width="500" height="500"/>
</s:Application>

html页面：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>MyHtml.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script language="JavaScript">
function callAs( )
{
var myFlexfun=document.getElementById("myFlexFun");
var result=myFlexfun.myJsFunction(jsinput.value);
alert(result);
mess.value=result;
}
function jsMethod(arg) {
alert("as 调用 js 成功，参数为：" + arg);
return ("as 调用 js 成功！");
}
</script>
</head>
<body>
<table>
<tr>
<td>
<object id= "myFlexFun" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="400" height="300">
<param name="movie" value="test.swf" />
<param name="quality" value="high" />
<embed src="test.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="400" height="300"></embed>
</object>
</td>
</tr>
<tr>
<td>
<input type="input" id="jsinput"/>
<input type="button" value="点我看效果" onclick="callAs()"/>
<input type="input" id="mess"/>
</td>
</tr>
</table>
</body>
</html>

如果试过以上的方法，会发现在被嵌入的Html见面中又嵌入了一个父级的swf文件，如下

这种情况显然不是我想要的结果。于是修改下代码，如下：

mxml页面

<?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"
width="100%" height="100%" xmlns:code="http://code.google.com/p/flex-iframe/"
creationComplete="initApp()">
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import flash.external.*;
import mx.controls.Alert;
import mx.rpc.events.ResultEvent; //引入ExternalInterface
public function initApp():void
{
ExternalInterface.addCallback("sayCallBack",callBack);
}
public function callBack(str:String):String{
return "Hello "+str;
}
protected function button1_clickHandler(event:MouseEvent):void
{
ExternalInterface.call('sayHelloWorld',' Jim');
var array:Array = new Array();
array.push("a", "b","c","d","e");
myIFrame.callIFrameFunction('jsMethod',array,function(str:String):void{
label.text=str;
});
}
public static function str():String{
return "aaa";
}
]]>
</fx:Script>
<s:VGroup width="100%" height="100%">
<s:BorderContainer width="100%" height="300" backgroundColor="#00ffaa">
<s:HGroup width="100%">
<s:Button label="调用js" click="button1_clickHandler(event)"/>
<mx:Button x="169.5" y="162" label="点击" fontSize="14" id="button"/>
<mx:TextInput id="asInput" x="122" y="76"/>
<s:Label id="label"/>
</s:HGroup>
</s:BorderContainer>
<s:BorderContainer width="100%" height="300">
<code:IFrame id="myIFrame" source="com/MyHtml.html" width="100%" height="100%"/>
</s:BorderContainer>
</s:VGroup>
</s:Application>

html页面：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>MyHtml.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script language="JavaScript">
function callAs( )
{
var ifrm =window.parent.xiSwfUrlStr;
if (ifrm)
{
alert(ifrm);
}else{
alert('false');
}
}
function jsMethod(arr) {
alert("as 调用 js 成功，参数为："+arr[4]);
return ("as 调用 js 成功！");
}
function callA(){
var str=window.parent.document.getElementById("test").sayCallBack("Bill");
if (str)
{
alert(str);
mess.value=str;
}else{
alert('false');
}
}
</script>
</head>
<body>
<table>
<tr>
<td >
<object id= "myFlexFun" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="100%" height="100%">
<param name="movie" value="../test.swf" />
<param name="quality" value="high" />
</object>
</td>
</tr>
<tr>
<td>
<input type="input" id="jsinput"/>
<input type="button" value="点我看效果" onclick="callA()"/>
<input type="input" id="mess"/>
</td>
</tr>
</table>
</body>
</html>

这样，html的js脚本就可以直接调用as脚本，而不需要再次嵌入swf文件。

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