简单的按钮左右切换头图的半成品swf

本来是想项目弄个东西,后来改变了,不需要,于是出来了个半成品,

里面有二帧加载进度的实现方式.还有mytrace实现.与自适应.xml配置加载,背景音乐加载

main.as

package??{????????import?flash.display.MovieClip;????import?flash.display.Sprite;????import?flash.text.TextFieldAutoSize;????import?flash.text.TextField;????import?flash.events.*;????import?flash.display.Loader;????import?flash.display.StageScaleMode;????import?flash.net.URLLoader;????import?flash.net.URLRequest;????import?flash.net.URLVariables;????import?flash.utils.setInterval;????import?flash.utils.clearInterval;????import?flash.system.Security;????import?flash.media.Sound;????import?flash.net.navigateToURL;????import?flash.display.StageAlign;????import?flash.text.StyleSheet;????????public?class?main?extends?MovieClip?{????????private?var?pBar:TextField;????????private?var?errorObj:TextField;????????private?var?itemObj:Object;????????private?var?_itemI:int;????????private?var?_bgSd:Sound;????????private?var?_stageMc:Sprite;????????private?var?_SW:int?=?0;????????private?var?_SH:int?=?0;????????private?var?_DW:int?=?0;????????private?var?_DH:int?=?0;????????private?var?_CO:Object;????????????????public?function?main()?{????????????this.stage.scaleMode?=?StageScaleMode.EXACT_FIT;????????????????????????stage.align?=?StageAlign.TOP_LEFT;????????????_stageResize(null);????????????this.stage.addEventListener(Event.RESIZE,?_stageResize);????????????stop();????????????????????????pBar?=?loadTip('');????????????loaderInfo.addEventListener(ProgressEvent.PROGRESS,?enterPRH);????????????loaderInfo.addEventListener(Event.COMPLETE,?enterOKH);????????????????????}????????????????private?function?_stageResize(e)?{????????????_SW?=?stage.stageWidth;????????????_SH?=?stage.stageHeight;????????}????????private?function?enterPRH(event:ProgressEvent)?{????????????var?tKB?=?Number(event.bytesTotal?/?1024).toFixed(1);????????????var?lKB?=?Number(event.bytesLoaded?/?1024).toFixed(1);????????????var?pr?=?Math.round(event.bytesLoaded?/?event.bytesTotal?*?100);????????????loadTipTop(pBar,?"主程序已经加载?"?+?lKB?+?"?KB?/?共?"?+?tKB?+?"?KB;?已经完成?"?+?pr?+?"?%");????????}????????????????private?function?enterOKH(event:Event)?{????????????????????????_DW?=?this.loaderInfo.width;????????????_DH?=?this.loaderInfo.height;????????????pBar.visible?=?false;????????????????????????errorObj?=?loadTip('点击关闭出错提示n');????????????errorObj.width?=?_DW;????????????errorObj.wordWrap?=?true;????????????errorObj.autoSize?=?TextFieldAutoSize.LEFT;????????????errorObj.addEventListener(MouseEvent.CLICK,?errorCLS);????????????errorObj.textColor?=?0xff0000;????????????errorObj.backgroundColor?=?0x000000;????????????errorObj.x?=?errorObj.y?=?0;????????????errorObj.visible?=?false;????????????????????????_stageMc?=?new?Sprite();????????????_stageMc.cacheAsBitmap?=?true;????????????_stageMc.opaqueBackground?=??0xFF0000;????????????????????????var?prevBt?=?new?TextField();????????????var?nextBt?=?new?TextField();????????????prevBt.addEventListener(MouseEvent.CLICK,?prevBtClk);????????????nextBt.addEventListener(MouseEvent.CLICK,?nextBtClk);????????????nextBt.background?=?prevBt.background?=?true;????????????nextBt.backgroundColor?=?prevBt.backgroundColor?=?0xffffff;????????????nextBt.border?=?prevBt.border?=?true;????????????nextBt.borderColor?=?prevBt.borderColor?=?0x000000;????????????nextBt.textColor?=?prevBt.textColor?=?0x000000;????????????nextBt.autoSize?=?prevBt.autoSize?=?TextFieldAutoSize.LEFT;????????????nextBt.visible?=?prevBt.visible?=?false;????????????nextBt.multiline?=?prevBt.multiline?=?true;????????????nextBt.selectable?=?prevBt.selectable?=?false;????????????nextBt.htmlText?=?'<font?size="30">向<br/>右<br/>翻<br/>动</font>';????????????prevBt.htmlText?=?'<font?size="30">向<br/>左<br/>翻<br/>动</font>';????????????prevBt.name?=?'prevBt';????????????nextBt.name?=?'nextBt';????????????var?desc?=?new?TextField();????????????desc.name?=?'desc';????????????desc.textColor?=?0x000000;????????????desc.width?=?_DW?*?0.2;????????????desc.height?=?_DH;????????????desc.x?=?_DW?*?0.8;????????????desc.y?=?0;????????????????????????addChildAt(_stageMc,?0);????????????_stageMc.addChild(desc);????????????nextBt.x?=?_DW?-?nextBt.width;????????????_stageMc.addChild(prevBt);????????????_stageMc.addChild(nextBt);????????????_stageMc.addEventListener(MouseEvent.MOUSE_OVER,?mcOverH);????????????_stageMc.addEventListener(MouseEvent.MOUSE_OUT,?mcOutH);????????????_stageMc.width?=?_DW;????????????_stageMc.height?=?_DH;????????????prevBt.y?=??nextBt.y?=?_DH?/?2?-?nextBt.height?/2;????????????prevBt.x?=?0;????????????loadPic();????????????????????}????????????????private?function?prevBtClk(e)?{?????????????tween(prevImg?());????????}????????????????private?function?nextImg?()?{????????????var?oi?=?itemObj[_CO.name]?+?1;????????????????return?itemObj[oi?>=?itemObj.length???0?:?oi].img;????????}????????????????private?function?prevImg?()?{????????????var?oi?=?itemObj[_CO.name]?-?1;????????????????????????return?itemObj[oi?<?0???itemObj.length?-?1?:?oi].img;????????}????????private?function?nextBtClk(e)?{????????????tween(nextImg());????????}????????private?function?mcOverH(e)?{????????????_stageMc.getChildByName('nextBt').visible?=?_stageMc.getChildByName('prevBt').visible?=?true;????????}????????????????private?function?mcOutH(e)?{????????????_stageMc.getChildByName('nextBt').visible?=?_stageMc.getChildByName('prevBt').visible?=?false;????????}????????private?function?loadTipTop(obj,?txt)?{????????????pBar.visible?=?true;????????????obj.text?=?txt;????????????setChildIndex(obj,?obj.parent.numChildren-1);????????}????????????????private?function?loadTip(txt:String)?{????????????????????????var?tip?=?new?TextField();????????????tip.background?=?true;????????????tip.wordWrap?=?true;????????????tip.backgroundColor?=?0x0000ff;????????????tip.autoSize?=?TextFieldAutoSize.CENTER;????????????tip.border?=?true;????????????tip.borderColor?=?0x000000;????????????tip.textColor?=?0xffffff;????????????if?(''?==?txt)?txt?=?'t';????????????tip.text?=?txt;????????????????????????addChild(tip);????????????tip.y?=?Math.round(_DH?/2?-?tip.height?/2?);????????????tip.x?=?Math.round(_DW?/2?-?tip.width?/2?);????????????return?tip;????????}????????????????????????private?function?errorTip(txt)?{????????????errorObj.visible?=?true;????????????errorObj.appendText(txt?+?'n');????????????var?timer?=?setInterval(function()?{if?(true?!=?errorObj.visible)?return?clearInterval(timer);?setChildIndex(errorObj,?errorObj.parent.numChildren-1);},?500);????????}????????????????private?function?errorCLS(event:MouseEvent)?{????????????event.currentTarget.text?=?'点击关闭出错提示n';????????????event.currentTarget.visible?=?false;????????}????????????????private?function?loadPic()?{????????????var?src?=?this.loaderInfo.parameters['xmlSrc'];????????????/*if?(!src)?return?errorTip('请添加参数.n'????????????????????????????????????????+?'添加方式一:?xxx.swf?xmlSrc=xml的绝对路径;n'????????????????????????????????????????+?'添加方式二:flashVars="&xmlSrc=xml的绝对路径";?n'????????????????????????????????????????+?'xml内容格式n'????????????????????????????????????????+?'<?xml?version="1.0"?encoding="utf-8"?>n'????????????????????????????????????????+?'<root>n'????????????????????????????????????????+?'<bgsound?src="http://xxx.com/背景音乐名字(可不使用背景音乐)"/>n'????????????????????????????????????????+?'<item>n'????????????????????????????????????????+?'<img><![CDATA[?图片绝对路径?]]></img>n'????????????????????????????????????????+?'<desc><![CDATA[?图片摘要?]]></desc>n'????????????????????????????????????????+?'</item>n'????????????????????????????????????????????????????????????????????????????????+?'<item>n'????????????????????????????????????????+?'<img><![CDATA[?图片2绝对路径?]]></img>n'????????????????????????????????????????+?'<desc><![CDATA[?图片2摘要?]]></desc>n'????????????????????????????????????????+?'</item>n'????????????????????????????????????????????????????????????????????????????????+?'</root>n'????????????????????????????????????????);*/????????????src?=?'http://local.q/x.xml?t='?+?Math.random();//测试????????????var?urler?=?new?URLLoader();????????????configureurler(urler);????????????var?request:URLRequest?=?new?URLRequest(src);????????????try?{????????????????urler.load(request);????????????}?catch?(error:Error)?{????????????????errorTip(error?+?':'?+?src);????????????}????????}????????????????private?function?configureurler(dispatcher:IEventDispatcher):void?{????????????dispatcher.addEventListener(Event.COMPLETE,?okHandler);????????????dispatcher.addEventListener(ProgressEvent.PROGRESS,?prHandler);????????????dispatcher.addEventListener(SecurityErrorEvent.SECURITY_ERROR,?errorHandler);????????????dispatcher.addEventListener(IOErrorEvent.IO_ERROR,?errorHandler);????????}????????private?function?okHandler(event:Event)?{????????????var?loader:URLLoader?=?URLLoader(event.target);????????????pBar.visible?=?false;????????????var?xml?=?new?XML(loader.data);????????????var?items?=?xml.elements('item');????????????if?(items.length()?<?1)?return?errorTip('配置文件的<item></item>对象必须给出.');????????????itemObj?=?{length:0};????????????????????????for?(var?item?in?items)?{????????????????if?(items[item].nodeKind()?!=?'element')?{????????????????????errorTip(?'第'?+?++item?+?'个<item></item>格式错误');????????????????????continue;????????????????}????????????????????????????????var?desc?=?items[item].elements('desc');????????????????desc?=?desc.length()?==?1???desc[0].children()[0]?:?null;????????????????????????????????if?(?!desc?||?('text'?!=?desc.nodeKind())??||?/^s*$/.test(desc)?)?{????????????????????errorTip(?'第'?+?++item?+?'个<item></item>对象中<desc></desc>无效:不是字符串['?+?desc?+?']');????????????????????continue;????????????????}????????????????var?img?=?items[item].elements('img');????????????????img?=?img.length()?==?1???img[0].children()[0]?:?null;????????????????????????????????if?(?!img?||?('text'?!=?img.nodeKind())?||?!/^s*http://.+/i.test(img)?)?{????????????????????errorTip(?'第'?+?++item?+?'个<item></item>对象中<img></img>无效:不存在/不是img绝对地址字符串['?+?img?+?']');????????????????????continue;????????????????}????????????????????????????????img?=?img.toString().replace(/[nrt]/mg,?'');????????????????????????????????itemObj[itemObj.length++]?=?{img:img,?desc:desc.toString()};????????????}????????????????????????????????????if?(itemObj.length?<?1)?{????????????????errorTip('配置全部无效');????????????????return;????????????}????????????????????????var?bgsound?=?xml.elements('bgsound');????????????????????????if?(1?==?bgsound.length())?{????????????????bgsound?=?bgsound[0].attribute('src');????????????????if?(?!bgsound.length()?||?!/^http://.+/i.test(bgsound[0].toString())?)?bgsound?=?null????????????????else?{????????????????????bgsound?=?bgsound[0].toString();????????????????}????????????}?else?bgsound?=?null;????????????loadSound(bgsound);????????}????????????????private?function?loadSound(src)?{????????????????????????if?(src)?{????????????????try{????????????????????_bgSd?=?new?Sound();????????????????????configureSder(_bgSd);????????????????????_bgSd.load(new?URLRequest(src));????????????????}?catch?(e)?{errorTip('加载背景音乐['?+?src?+?']出错:'?+?e);}????????????}?else?????loadItem(0);????????}????????????????private?function?configureSder(obj:IEventDispatcher):void?{????????????obj.addEventListener(Event.COMPLETE,?sdOk2next);????????????obj.addEventListener(ProgressEvent.PROGRESS,?sdprHandler);????????????obj.addEventListener(IOErrorEvent.IO_ERROR,?sderrorHandler);????????????????????}????????????????private?function?sdOk2next(event:Event)?{????????????????????????????????????????????????var?loop?=?9999999;????????????_bgSd.play(0,?loop);????????????loadItem(0);????????????pBar.visible?=?false;????????}????????private?function?sdprHandler(event:ProgressEvent):void?{????????????var?tKB?=?Number(event.bytesTotal?/?1024).toFixed(1);????????????var?lKB?=?Number(event.bytesLoaded?/?1024).toFixed(1);????????????var?pr?=?Math.round(event.bytesLoaded?/?event.bytesTotal?*?100);????????????loadTipTop(pBar,?"背景音乐["?+?_bgSd.url?+?"]已经加载?"?+?lKB?+?"?KB?/?共?"?+?tKB?+?"?KB;?已经完成?"?+?pr?+?"?%");????????}????????????????private?function?sderrorHandler(event:Event)?{????????????errorTip('加载背景音乐出错:'?+?event);????????????loadItem(0);????????????pBar.visible?=?false;????????}????????????????private?function?prHandler(event:ProgressEvent):void?{????????????var?tKB?=?Number(event.bytesTotal?/?1024).toFixed(1);????????????var?lKB?=?Number(event.bytesLoaded?/?1024).toFixed(1);????????????var?pr?=?Math.round(event.bytesLoaded?/?event.bytesTotal?*?100);????????????loadTipTop(pBar,?"配置文件已经加载?"?+?lKB?+?"?KB?/?共?"?+?tKB?+?"?KB;?已经完成?"?+?pr?+?"?%");????????}????????private?function?errorHandler(event:Event):void?{????????????errorTip('加载配置文件:'?+?event);????????}????????????????private?function?configureimger(obj:IEventDispatcher):void?{????????????obj.addEventListener(Event.COMPLETE,?imgOk2next);????????????obj.addEventListener(ProgressEvent.PROGRESS,?imgprHandler);????????????obj.addEventListener(IOErrorEvent.IO_ERROR,?imgerrorHandler);????????????????????}????????????????private?function?imgOk2next(event:Event)?{????????????????????????????????????var?img?=?itemObj[_itemI].img;????????????try{????????????????????????????????????????????var?pic?=?_stageMc.addChildAt(event.target.content,?0);????????????????itemObj[pic.name]?=?_itemI;????????????????itemObj[_itemI].img?=?pic;????????????????????????????????pic.x?=?pic.y?=?0;????????????????pic.width?=?_DW?*?0.75;????????????????pic.height?=?_DH;????????????????if?(_itemI?<?1)?{????????????????????_CO?=?pic;????????????????????(_stageMc.getChildByName('desc')?as?TextField).htmlText?=?itemObj[_itemI].desc;????????????????}????????????????else?pic.visible?=?false;????????????}catch(e:Error){errorTip(e.toString()?+?(e.errorID?==?2122???',不同域名下的资源安全原因不允许加载'?:?'')?+?':显示图片'?+?img)}????????????loadItem(_itemI?+?1);????????????pBar.visible?=?false;????????}????????????????private?function?imgprHandler(event:ProgressEvent):void?{????????????var?tKB?=?Number(event.bytesTotal?/?1024).toFixed(1);????????????var?lKB?=?Number(event.bytesLoaded?/?1024).toFixed(1);????????????var?pr?=?Math.round(event.bytesLoaded?/?event.bytesTotal?*?100);????????????loadTipTop(pBar,?"图片["?+?itemObj[_itemI].img?+?"]已经加载?"?+?lKB?+?"?KB?/?共?"?+?tKB?+?"?KB;?已经完成?"?+?pr?+?"?%");????????}????????????????private?function?imgerrorHandler(event:Event)?{????????????errorTip('加载图片['?+?itemObj[_itemI].img?+?']出错:'?+?event);????????????pBar.visible?=?false;????????????itemObj[_itemI]?=?itemObj[itemObj.length?-?1];????????????itemObj[itemObj.length?-?1]?=?null;????????????itemObj.length--;????????????loadItem(_itemI);????????}????????????????private?function?loadItem(i)?{????????????if?(?(itemObj.length?<?1)?||?(i?>=?itemObj.length)?)?{????????????????createStage();????????????????return;????????????}????????????????????????_itemI?=?i;????????????var?img?=?itemObj[i].img?+?'?r='?+?Math.random();????????????loadTipTop(pBar,?'准备加载图片:'?+?img);????????????????????????try{????????????????var?urler?=?new?Loader();????????????????configureimger(urler.contentLoaderInfo);????????????????var?request:URLRequest?=?new?URLRequest(img);????????????????urler.load(request);??????????????}?catch?(error:Error)?{????????????????errorTip(error?+?':?加载'?+?img);????????????}????????????????????}????????????????private?function?createStage()?{????????????_stageMc.visible?=?true;????????}????????????????private?function?tween(no)?{????????????_CO.visible?=?false;????????????no.visible?=?true;????????????_CO?=?no;????????????(_stageMc.getChildByName('desc')?as?TextField).htmlText?=?itemObj[itemObj[no.name]].desc;????????}????}????}