[AIR] AS3读取txt文档

 package
 {
     import flash.display.Sprite;
     import flash.events.Event;
     import flash.filesystem.File;
     import flash.filesystem.FileMode;
     import flash.filesystem.FileStream;
     import flash.net.URLLoader;
     import flash.net.URLRequest;
     import flash.system.System;
     import flash.text.TextField;
     /**
      * ...
      * @author Frost.Yen
      */
     public class Main extends Sprite
     {
         private var _t:TextField;
         public function Main()
         {
             System.useCodePage = true;//解决中文乱码问题
             _t = new TextField();
             _t.autoSize = "left";
             this.addChild(_t);
             readTxt();//方法一（仅限AIR）
             //loadTxt();//方法二
         }
         private function readTxt():void
         {
             var file:File = new File(File.applicationDirectory.nativePath + "/新建文本文档.txt");
             var stream:FileStream = new FileStream();    //创建FileStream对象
             stream.open(file,FileMode.READ);    //使用FileStream对象以只读方式打开File对象
             //将文件中的所有信息显示在文本区域中
             _t.text = stream.readUTFBytes(stream.bytesAvailable);
             stream.close();    //关闭FileStream对象
         }
         private function loadTxt():void
         {
             var ldr:URLLoader = new URLLoader();
             ldr.load(new URLRequest("新建文本文档.txt"));
             ldr.addEventListener(Event.COMPLETE, onComplete);
         }
         private function onComplete(e:Event):void
         {
             _t.text = String(e.target.data);
         }
     }

 }