ActionScript 讀zip檔

FZip是AS3的library，用來讀寫zip檔.
http://codeazur.com.br/lab/fzip/

demo(從zip讀1000個png圖檔並顯示)

API


package<br />{<br /> import deng.fzip.FZip;<br /> import deng.fzip.FZipFile;<br /> <br /> import flash.display.Loader;<br /> import flash.display.Sprite;<br /> import flash.display.StageAlign;<br /> import flash.display.StageScaleMode;<br /> import flash.events.*;<br /> import flash.net.URLRequest;<br /> import flash.text.TextField;<br /><br /> public class FZipTest extends Sprite<br /> {<br /> private var zip:FZip;<br /> private var tf:TextField;<br /> private var index:uint = 0;<br /> private var count:uint = 0;<br /> private var done:Boolean = false;<br /> <br /> public function FZipTest() {<br /> // lets not scale<br /> stage.align = StageAlign.TOP_LEFT;<br /> stage.scaleMode = StageScaleMode.NO_SCALE;<br /> // status text<br /> tf = new TextField();<br /> tf.height = 20;<br /> tf.width = 576;<br /> addChild(tf);<br /> // load zip<br /> zip = new FZip();<br /> zip.addEventListener(Event.OPEN, onOpen);<br /> zip.addEventListener(Event.COMPLETE, onComplete);<br /> zip.load(new URLRequest("famfamfam_silk_icons_v013.zip"));<br /> }<br /> <br /> private function onOpen(evt:Event):void {<br /> addEventListener(Event.ENTER_FRAME, onEnterFrame);<br /> }<br /> <br /> private function onComplete(evt:Event):void {<br /> done = true;<br /> }<br /> <br /> private function onEnterFrame(evt:Event):void {<br /> // we only want to add 32 images at once to the display list<br /> // to save a bit of processor load when zip is cached<br /> for(var i:uint = 0; i < 32; i++) {<br /> // any new files available?<br /> if(zip.getFileCount() > index) {<br /> // yeah, get it<br /> var file:FZipFile = zip.getFileAt(index);<br /> // is this a png in the icons folder?<br /> if(file.filename.indexOf("icons/") == 0 && file.filename.indexOf(".png") != -1) {<br /> // yeah, display it<br /> var loader:Loader = new Loader();<br /> loader.loadBytes(file.content);<br /> loader.x = 18 * (count % 32);<br /> loader.y = 18 * Math.floor(count / 32) + 20;<br /> addChild(loader);<br /> count++;<br /> }<br /> index++;<br /> } else {<br /> // no new files available<br /> // check if we're done<br /> if(done) {<br /> removeEventListener(Event.ENTER_FRAME, onEnterFrame);<br /> }<br /> // and exit the loop<br /> break;<br /> }<br /> }<br /> // display load status<br /> tf.text = count + " files loaded";<br /> }<br /> }<br />}<br />