一个Flash程序员的自我修养

<br /><br />2010-06-30：<br />☞ 值类型和引用类型的区别 P20<br /> <br />☞ Boolean:false；   int:0；   uint:0；   Number:NaN；   String:null；  var arr:Array=new Array(5);该句定义了一个含有5个元素的数组，此时未知各个元素是多少，系统默认为undefined<br /> <br />☞ Math.random()的范围：[0,1)          Math.ceil()上限值

<br />package { import flash.display.Sprite; import flash.text.*; import flash.system.System; import flash.events.MouseEvent; import flash.display.Stage; import flash.events.Event; import flash.display.Loader; import flash.net.URLLoader;

<br /><br />在主场景中随意绘制一个矩形方块，实例名称为rect。<br /> <br />trace(this,this.numChildren)  输出：[object MainTimeline] 1。 说明this当前类为主时间轴，它的子对象有1个，就是rect。<br /> <br />trace(getChildIndex(rect))  输出：0。   说明rect在当前类的深度为0。<br /> <br /> <br />主场景中，stage是顶级的唯一的舞台，下面是主时间轴，主时间

<br />function setContent(txt:String):void { _text.htmlText=txt;//传入文字内容 var isShow:Boolean=_text.textHeight>maskMC.height?true:false;//根据文本内容高度是否超过遮罩高度，判断是否需要显示滚动条 scrollBar=new ScrollBar(isShow,maskMC.height); scrollBar.x=maskMC.x+maskMC.width-sc

import fl.controls.TileList;import fl.controls.ScrollBarDirection;var myTileList:TileList = new TileList();myTileList.addItem({label:"Image 1", source:"http://www.helpexamples.com/flash/images/image1.jpg"});myTileList.addItem({label:"Image 2", sour

import ScrollBar;var myScroll:ScrollBar=new ScrollBar(c_contentBox,mask_mc,scroll_bar,scroll_line);//4个参数分别为：文本框、文本显示区域遮罩、滚动条滑块、滑道myScroll.tween=5;myScroll.elastic=false;//设置滑块高度是否依据文本框高度变化。此处false意指维持滑块原本的高度，不作改变myScroll.lineAbleClick=true;//点击滑

<br />package { import flash.display.Sprite; import flash.text.TextField; import flash.events.MouseEvent; public class SampleAdd extends Sprite { public var star:Sprite = new Sprite ; public function SampleAdd():void { init(); }

<br />import flash.net.URLLoader;import flash.net.URLRequest;import flash.events.Event;var len_image:int;var len_mainProperty:int;var arr_mainProperty:Array=[];var arr_Brand:Array=[];var k:int;loadXML();function loadXML():void { var xml

<br />import flash.display.Loader;import flash.net.URLRequest;import flash.events.Event;import flash.events.MouseEvent;import flash.display.Sprite;var spr:Sprite=new Sprite();addChild(spr);spr.x=220;var imageArray:Array=new Array();var bt

<br />==========onClock文档类========== package { import flash.display.Sprite; import flash.events.Event; public class onClock extends Sprite { var hourH:Clock_hand=new Clock_hand(25,0x000000); var minuteH:Clock_hand=new Clock_hand(40,0xff00ff);

<br />var a:Sound=new Sound();//新建一个Sound类，用来装载mp3文件var url:URLRequest=new URLRequest("陈奕迅 - 一丝不挂.mp3");a.load(url);//载入mp3var b:SoundChannel=new SoundChannel();//新建一个声音控制类b=a.play();//Sound类的play()方法返回值是SoundChannel类型对象a_mc.addEventListener(Mous

图片总数 var len:int=123;每页图片数目 var imgs_perPage:int=5;总页数 var pageNum:int=Math.ceil(len/imgs_perPage);当前处于第几页;最后一页的图片数目 var imgs_lastPage:int=len-(pageNum-1)*imgs_perPage;当前页的图片数目;

<br />import flash.display.Loader;import flash.net.URLRequest;import flash.net.URLLoader;import flash.events.Event;import flash.display.Sprite;var xmlURL:String="test.xml";var xml:XML;var arr_imgURL:Array=[];var len:int;var _value1:Number

<br />import flash.display.Loader;var hasImage:Boolean=false;function imageLoadedHandler(e:Event):void { var image:Loader=e.currentTarge.loader; imageSprite.addChildAt(image,0); //一直将载入的图片加载在最底层(0层)，因此上次载入的图片会被挤到上一层(1层); if (hasImage) { imag

<br />import flash.display.Sprite;import flash.display.Loader;import flash.net.URLRequest;import flash.events.Event;import flash.net.URLLoader;var swfURL:String="手机报_demo.swf";var xmlURL:String="newspaper.xml";var xml:XML;var len:int;var

<br />var shape:Shape=new Shape ;shape.graphics.beginFill(0xffcc00);shape.graphics.drawRect(0,0,100,100);//shape.graphics.drawRect(88,88,100,100);shape.graphics.endFill();addChild(shape);trace(shape.x); //输出：0trace(shape.y); //输出：0//trac

<br />var a:Timer=new Timer(1000,10);/*Timer构造器函数传入的参数是a.delay(计时器事件间的延迟)和a.repeatCount(计时器运行总次数)或者可以只传入一个参数，然后将另一个参数定义成Timer的属性，如下：a.delay=1000;a.repeatCount=10;*/a.addEventListener(TimerEvent.TIMER,yunxing);a.addEventListener(TimerEvent.T

<br />import flash.display.Loader;import flash.net.URLRequest;import flash.events.Event;import flash.display.Sprite;import flash.events.MouseEvent;var imageSprite:Sprite=new Sprite();var len:int=arr_imageURL.length;for (var i:int=0; i<len; i+

<br />function setImgSize(img:Loader,limitedWidth:Number,limitedHeight:Number):void { if (img.width>limitedWidth) { img.height=limitedWidth/img.width*img.height; img.width=limitedWidth; } if (img.height>limitedHeight) { img.width=limitedHeig

<br />/* 先载入所有图片及标签，然后通过设置图片的深度来显示相应的图片（并非点击标签后再载入相应图片，因为这种幻灯片一般图片比较少）*/package { import flash.display.Sprite; import flash.net.URLLoader; import flash.net.URLRequest; import flash.display.Loader; import flash.events.Event; import flash.e

<br />function onNextBtnBtnClick(e:MouseEvent):void { removePic(); currentPicIndex++; if (currentPicIndex==len) { currentPicIndex=0; } loadPic(arr_picURL[currentPicIndex]);}function onPrevBtnClick(e:MouseEvent):void { removePic(); curr

<br />import flash.net.URLLoader;import flash.events.Event;import flash.net.URLRequest;import flash.events.MouseEvent;var url:String="xml/config.xml";var xml:XML;var len:int;var arr_title:Array=[];var arr_url:Array=[];var _oldNavi:Navi;

<br />import leon.utils.LoadManager;import flash.events.Event;import leon.events.LoadEvent;var _loader:LoadManager=new LoadManager(this);_loader.LoadImage("thumbnails/flashmo_080_movie.jpg");_loader.x=200;_loader.y=100;_loader.addEventListene

<br />package leon.events{ import flash.events.Event; public class LoadEvent extends Event { public var _info:String; public function LoadEvent(type:String,_info:String):void { this._info=_info; super(type); } }} 

<br />package leon.utils{ import flash.display.Loader; import flash.events.Event; import flash.display.DisplayObjectContainer; import flash.net.URLRequest; import flash.net.URLLoader; import flash.events.EventDispatcher; import leon.events.Lo

<br />//设定第一个方块的位置var xPosition:Number=5;var yPosition:Number=5;for (var i:int=0; i<30; i++) { var eee:EEE=new EEE(); eee.tf_label.text=String(i); addChild(eee); eee.x=xPosition; eee.y=yPosition; xPosition+=eee.width+5;//提前获得下一个方块的x坐标，然后在

<br />var cols:int=4;var row:int;var col:int;for (var i:int=0; i<21; i++) { var eee:EEE=new EEE(); eee.tf_label.text=String(i); addChild(eee); eee.x=(eee.width+5)*col; eee.y=(eee.height+5)*row; col++; if (col>cols) { col=0; row++;

<br /><br />新建test.fla；Ctrl+F8新建影片剪辑MM，同时导出为类文件。<br />test.fla时间轴上写代码：<br />    var arr:Array=[1,2,3];<br />    var _mm:MM=new MM();<br />    addChild(_mm);<br />MM影片剪辑中写代码：<br />trace(MovieClip(this.parent).arr[1])

<br />import flash.events.MouseEvent;import flash.geom.Rectangle;var scrollerArea:ScrollerArea;var scroller:Scroller;var _content:Content;//文本内容var _contentArea:ContentArea;//文本显示区域var ratioContent:Number;//文本高度与显示区域高度之比var rangeContent:Numbe

<br />import flash.events.Event;addEventListener(Event.ENTER_FRAME,_enter);var _flag:Boolean=true;function _enter(e:Event):void { if (_flag) { _rect.alpha+=(0-_rect.alpha)*0.2; if (_rect.alpha<0.05) { _rect.alpha=0; _flag=false; }

<br />var _arr1:Array=[];var _arr2:Array=[];t1.text="";for(var i:uint=1;i<=33;i++){ _arr1.push(i); t1.text=t1.text+" "+_arr1[i-1];}function refurbish(_e:MouseEvent=null):void{ _arr2=_arr1.slice(); t2.text=""; for(var i:uint=1;i<=6;i++)

<br />package { import flash.display.Sprite; import flash.events.MouseEvent; public class onDrawingBoard extends Sprite { private var ceng:Sprite; private var isdown:Boolean=false; private var linesize:uint=2; private var oldx:Number;

<br />import com.greensock.TweenLite;var xmlURL:String="theme.xml";var xml:XML;var len:int;var arr_themeID:Array;var arr_themeName:Array;var arr_themeImageURL:Array;var arr_themeRemark:Array;var distance:Number=5;var counter:int=1;var a

<br />/** * 删除数组arr里与originalArray里相同的元素， 修改原数组 * @param arr 原数组 * @param originalArray 要删除的元素 默认这里没有重复的元素,有也不会出错,但效率降低了 */function deleteElementFromList(arr:Array, originalArray:Ar

<br />var arr:Array=[1,33,5,7,8,12,4];trace(getIndex(9,arr));function getIndex(currentValue:Number,arr:Array):int { var flag:Boolean=true; var firstMatchIndex:int; var num:int=arr.length; for (var i:int=0; i<num; i++) { if (currentValue<a

package { import flash.display.DisplayObject; import flash.display.Shape; import flash.display.Sprite; import flash.events.MouseEvent; import flash.text.TextField; public class EventDemo e

package { import flash.display.Sprite; import flash.events.IEventDispatcher; import flash.events.EventDispatcher; public class SampleIs extends Sprite { public function SampleIs() { var

///Main文档类 package { import flash.display.Sprite; public class Main extends Sprite { public function Main() { setter(new Son()); }

package { import flash.display.Sprite; public class SampleAs extends Sprite { public function SampleAs() { var ext:Extender=new Extender(); var base:Base=ext; //base.hello();这里会报

package org.kingda.book.basicoop.polymorphism{ import flash.display.Sprite; public class Test extends Sprite { public function Test() { var base:Base=new Base(); var ext:Extender=new Ex