在 AS3 中使用 XML 非常简单,因此用一些代码扩展 TheDarkIn1978 的答案:
创建 XML 对象:
var objs:XML = new XML( <objects /> ); // create the <objects /> node
// for your objects
var ball1:XML = new XML ( <ball /> ); // create the <ball /> node
ball1.@xPos = 12; // add 12 as an attribute named "xPos"
ball1.@yPos = 42; // add 42 as an attribute named "yPos"
objs.appendChild( ball1 ); // add the <ball> node to <objects>
// an example of using variables in your xml
var name:String = "something";
var sx:XML = new XML( <{name} /> ); // creates a node <something />
使用 TheDarkIn1978 的XML
AS3 课程以了解更多信息。
保存您的文件:
// saving out a file
var f:FileReference = new FileReference;
f.save( sx, "myXML.xml" ); // saves under the name myXML.xml, "sx" being your root XML node
在保存之前压缩 XML(对于大型 XML 文件,这可以节省很多):
// compressing before saving
var f:FileReference = new FileReference;
var bytes:ByteArray = new ByteArray;
bytes.writeUTFBytes( myXML ); // "myXML" being your root XML node
bytes.compress(); // compress it
f.save( bytes, "myXML.xml" );
加载压缩的 XML,解压缩它,然后检索 XML 对象:
// uncompressing a compressed xml
var loader = new URLLoader;
loader.dataFormat = URLLoaderDataFormat.BINARY;
// listen for our events
loader.addEventListener( Event.COMPLETE, this._onLoad );
loader.addEventListener( IOErrorEvent.IO_ERROR, this._onFail ); // not shown
loader.addEventListener( SecurityErrorEvent.SECURITY_ERROR, this._onSecurityError ); // not shown
private function _onLoad( e:Event ):void
{
var loader:URLLoader = e.target as URLLoader;
// get the data as a bytearray
var ba:ByteArray = loader.data as ByteArray;
// uncompress it
try
{
ba.uncompress();
}
catch ( e:Error )
{
trace( "The ByteArray wasn't compressed!" );
}
// get our xml data
myXML = XML( ba );
}
我创建了一个用于压缩/解压缩 XML 文件的简单工具。您可以在以下位置获取 SWF 和源代码:http://divillysausages.com/blog/xml_compressor_uncompressor http://divillysausages.com/blog/xml_compressor_uncompressor如果你有兴趣