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(6)ExternalInterface类的用法

看看　ExternalInterface类的　主要方法。可以看出，ExternalInterface类　主要是用于和ｘｍｌ，还有javascript进行交互的。

_arrayToXML
_argumentsToXML
_objectToXML
_toXML
_objectToAS
_arrayToAS
_argumentsToAS
_toAS
_arrayToJS
_objectToJS
_toJS


javascript to Flash
ActionScript


import flash.external.ExternalInterface;

class ExternalInterfaceTest
{
public function ExternalInterfaceTest()
{
//第一个参数是暴露给javascript的ｆｕｎｃｔｉｏｎ名
//第二个参数是真实调用的
ExternalInterface.addCallback("actionScriptFunction", actionScriptFunction);
}


public function actionScriptFunction(input:String):String
{
trace(input);
return input;
}
}
HTML / javascript


<SCRIPT LANGUAGE="javascript">

//flashId, 是网页中flash的ｉｄ名
var flash = (navigator.appName.indexOf ("Microsoft") !=-1)?window["flashId"]:document["flashId"];
flash.actionScriptFunction("Hello World.");
</script>
Flash to javascript
In the HTML page:


<script language="javascript">
function myjavascriptFunction(input)
{
window.alert(input);
}
</script>
ActionScript


import flash.external.ExternalInterface;

class ExternalInterfaceTest
{
public function ExternalInterfaceTest()
{
if(ExternalInterface.available)
{
ExternalInterface.call("myjavascriptFunction", "Hello World");
}
}

}