Flash笔记之打字特效

package{import flash.display.Sprite;import flash.events.Event;import flash.events.TimerEvent;import flash.geom.Rectangle;import flash.text.TextField;import flash.text.TextFieldAutoSize;import flash.text.TextFormat;import flash.utils.Timer;public class Dzas extends Sprite{private var textFormat:TextFormat;private var myt:String="控制文本字段的自动控制文本字段的自动控制文本字段的自动";private var i:int=0;private var textField:TextField;private var _curFrame : int = 0;private var _frameRate : int = 6;private var n:int=-1;public function Dzas() {textField=new TextField();textField.selectable=false;textField.autoSize=TextFieldAutoSize.LEFT;//控制文本字段的自动大小调整和对齐textField.wordWrap=true;//指示文本字段是否自动换行textField.width=400;addChild(textField);textFormat = new TextFormat();textFormat.color=0xff0000;textFormat.size=15;textField.defaultTextFormat = textFormat;init(myt);}private function init(name:String):void{this.addEventListener(Event.ENTER_FRAME,onFrame);}private function onFrame(e:Event):void {this._curFrame++;if (this._curFrame < this._frameRate) {return;}this._curFrame = 0;textField.appendText(myt.charAt(i));i++;if(i==myt.length){this.removeEventListener(Event.ENTER_FRAME,onFrame);}}}}