加载外部文件

//加载XML

var myXML:XML = new XML();

var XML_URL:String = "xx.xml";

var myXMLURL:URLRequest = new URLRequest(XML_URL);

var myLoader:URLLoader = new URLLoader(myXMLURL);

myLoader.addEventListener(Event.COMPLETE, xmlLoaded);

function xmlLoaded(evtObj:Event)

{

	myXML = XML(myLoader.data);

	trace("数据装载完成.");

	trace(myXML);

} 

import flash.display.Bitmap;



//加载外部图片

var myImg:URLRequest = new URLRequest("xx.jpg");

var loader:Loader = new Loader  ;

loader.load(myImg);

//loader.load(new URLRequest("xx.jpg"));

loader.contentLoaderInfo.addEventListener(Event.COMPLETE,loadComplete);

function loadComplete(e:Event):void

{

	var a:Bitmap = loader.content as Bitmap;

	trace("图片的宽度---"+a.width);

	loader.contentLoaderInfo.removeEventListener(Event.COMPLETE,loadComplete);

	addChild(loader);

	trace("加载完成");

}

/*加载外部swf文件*/

var loader:Loader = new Loader();

var mySwf:URLRequest = new URLRequest("a.swf");

loader.load(mySwf);



loader.contentLoaderInfo.addEventListener(Event.COMPLETE,onComplete);

loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS,onProgress);

loader.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR,onError);



function onProgress(e:ProgressEvent):void

{

	

	trace("已经下载"+Math.round((e.bytesLoaded)/(e.bytesTotal)*100) + "%");

}

function onComplete(e:Event):void

{

	addChild(loader);

	trace("加载完成");

}

function onError(e:IOErrorEvent):void

{

	trace("加载出错");

}

/*处理xml

abc.xml

<info>

    <user id="1">

        <name>jimluck</name>

        <email>[email protected]</email>

        <age>33</age>

    </user>    

    <user id="2">

        <name>john</name>

        <email>[email protected]</email>

        <age>21</age>        

    </user>    

    <user id="3">

        <name>lucy</name>

        <email>[email protected]</email>

        <age>18</age>

    </user>    

</info>

*/





var myXml:XML = new XML();

var XML_URL:String = "abc.xml";

var myXMLURL:URLRequest = new URLRequest(XML_URL);

//如果省略该参数，则不开始加载操作。 如果已指定参数，则立即开始加载操作

var myLoader:URLLoader = new URLLoader(myXMLURL);

myLoader.addEventListener(Event.COMPLETE, xmlLoaded);

function xmlLoaded(evtObj:Event)

{

    myXml =new XML(myLoader.data);

	trace(myXml.user[0].@id);//1

    trace(myXml.user[0].name);//jimluck

    trace(myXml.user[1].name);//john

    trace(myXml.user[2].name);//lucy

    //多节点时结果：

    trace(myXml.user.name);

	//<name>jimluck</name>

    //<name>john</name>

    //<name>lucy</name>
trace(myXml.user.name[0]);

    //输出id=3的user节点的name值

    trace(myXml.user.(@id=="3").name);//lucy

    //输出name值为john的age节点值

    trace(myXml.user.(name=="john").age);//21

}



//1. myXml.user[0]还等同于myXml.child(0),如：

   // trace(myXml.child(0).name);

   // trace(myXml.child(0).email);

// 2. 可以通过for each in来遍历xml文档：

    /*for each (var property:XML in myXml.user)

    {

        var uname:String = String(property.name);

        var uemail:String = String(property.email);

        total += 1;

        trace("用户名"+uname+"  邮件"+uemail)

    }

    trace("用户数：", total);*/



/*结果：

用户名jimluck  邮件[email protected]

用户名john  邮件[email protected]

用户名lucy  邮件[email protected]

用户数： 3*/

//加载音乐

var sound = new Sound  ;

var mySound:URLRequest = new URLRequest("xx.mp3");

sound.load(mySound);

sound.addEventListener(Event.COMPLETE,completeHandler);

function completeHandler(e:Event):void

{

trace("音乐加载完成");

sound.play();

}

var myxml:XML = 

<root>

    <data attr="attribute1">this is the string1</data>

    <data attr="attribute2">this is the string2</data>

</root>;

myxml.data[0]. @ attr1 = "这是新创建的属性";

myxml.data[1] = "第2个节点的值改变了！";

myxml.data[2] = "第3个节点的值改变了！";

delete myxml.data[1];

trace(myxml);