求教:1120错误,访问的属性未定义的问题

复制内容到剪贴板

代码:

var music_m:Array = [];
var num;
var url:String = "music.txt"
var myReg:URLRequest = new URLRequest(url);
var myVar:URLVariables = new URLVariables();
var myLoader:URLLoader = new URLLoader();
myLoader.dataFormat = URLLoaderDataFormat.VARIABLES;
myLoader.load(myReg);
myLaoder.addEventListener(Event.COMPLETE,In);
function In(e:Event):void{
    myVar = myLoader.data;
    num = myVar.num;
    for (var i = 1; i<=num; i++) {
            music_m[i-1] = myVar["n"+i];
    };
}

复制内容到剪贴板

代码:

var music_m:Array;
var url:String="music.txt";
var myReg:URLRequest=new URLRequest(url);
var myLoader:URLLoader = new URLLoader();
myLoader.dataFormat=URLLoaderDataFormat.VARIABLES;
function In(e:Event):void {
    var myVar:URLVariables=e.target.data as URLVariables;//这里需要转换类型
    var num:int=int(myVar.num);
    music_m=[];
    for (var i = 1; i<=num; i++) {
        music_m[i-1]=myVar["n"+i];
    }
}
myLaoder.addEventListener(Event.COMPLETE,In);
myLoader.load(myReg);