银子 ’s 博客

package
{
	import flash.display.MovieClip;
	import flash.text.TextField;
	import flash.text.TextFormat;
	import flash.text.TextFieldAutoSize;
	import flash.events.*;
	import flash.utils.Timer;
 
	public class ClassTyped extends MovieClip
	{
		var txt:TextField = new TextField();
		var txtF:TextFormat = new TextFormat();
		var cont:String = new String();
		var i:uint = 0;
 
		// 构造函数
		public function ClassTyped()
		{
			cont = "打字效果测试. By Silver...........";
			txtF.font = "微软雅黑";
			txtF.size = 14;
			txtF.color = 0x669900;
			txt.defaultTextFormat = txtF;
 
			var timer:Timer = new Timer(120, cont.length);
			timer.addEventListener(TimerEvent.TIMER, timerHandler);
			timer.start();
		}
 
		private function timerHandler(event):void
		{
			txt.selectable = false;
			txt.appendText(cont.charAt(i));
			txt.autoSize = TextFieldAutoSize.LEFT;
			txt.wordWrap = true;
			txt.width = 200;
			addChild(txt);
			txt.x = (txt.stage.stageWidth - txt.width) / 2;
			txt.y = (txt.stage.stageHeight - txt.height) / 2;
			i++;
		}
	}
}