flash分页技术（相册）

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 import flash.display.MovieClip; import flash.display.Loader; import flash.net.URLLoader; import flash.net.URLRequest; import flash.events.MouseEvent; import flash.events.Event; import flash.display.JointStyle; import flash.display.LoaderInfo; import flash.display.DisplayObject; public class paging extends MovieClip {  private var request:URLRequest;  private var loader:URLLoader;  private var xmlList:XMLList;  private var lengths:int;  private var pages:int=1;  private var picurl:URLRequest;  private var picLoader:Loader;  private var ct:CT;  private var mc:MovieClip=new MovieClip();  private var mc1:DisplayObject;    private var targetX:Number;  private var targetY:Number;  private var picX:Number;  private var picY:Number;  private var picW:Number=80;  private var picH:Number=57;  public function paging() {   XMLLoader();  }//加载XML文件  private function XMLLoader():void {   request=new URLRequest("img.xml");   loader=new URLLoader();   loader.load(request);   loader.addEventListener(Event.COMPLETE,xmlhandler);  }  private function xmlhandler(e:Event):void {   xmlList=XMLList(e.target.data);   lengths=xmlList.img.length();   trace(lengths);   picHandler();   prepage_btn.addEventListener(MouseEvent.CLICK,prehandler);   nextpage_btn.addEventListener(MouseEvent.CLICK,nexthandler);  }//前一页  private function prehandler(e:MouseEvent):void {   if (pages>1) {    pages-=1;   }   picHandler();  }//后一页  private function nexthandler(e:MouseEvent):void {   if (pages<Math.ceil(lengths/21)) {    pages+=1;   }   picHandler();  }//分页加载图片  private function picHandler():void {   pages_btn.text=String(pages);   try {    removeChild(ct);    ct=null;   } catch (e) {   }   ct=new CT();   addChild(ct);   ct.addEventListener("click",cthandler);   ct.x=6;   ct.y=9;   for (var i:int=0; i<7; i++) {    for (var j:int=0; j<3; j++) {     if (21*(pages-1)+i*3+j<lengths) {      picurl=new URLRequest(xmlList.img[21*(pages-1)+i*3+j].url);      trace(i*j*(pages-1));      picLoader=new Loader();      picLoader.load(picurl);      picLoader.x=20+80*j;      picLoader.y=20+57*i;      ct.addChild(picLoader);      picLoader.contentLoaderInfo.addEventListener(Event.COMPLETE,pichandler);     }    }   }  }  private function cthandler(e:MouseEvent):void {   try {    ct.addChild(mc1);    mc1.x=picX;    mc1.y=picY;    mc1.width=picW;    mc1.height=picH;   } catch (e) {   }   trace(e.target.name.substr(2,1));   if (e.target.name!=e.currentTarget.name) {    mc1=DisplayObject(e.target);    e.target.width=targetX;    picX=e.target.x;    picY=e.target.y;    e.target.x=15;    e.target.y=15;    e.target.height=targetY;    containers.addChild(mc1);   }  }  private function pichandler(e:Event):void {   var loaderinfo:LoaderInfo=e.target as LoaderInfo;   targetX=loaderinfo.content.width;   targetY=loaderinfo.content.height;   loaderinfo.content.width=80;   loaderinfo.content.height=57;  } }}

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