[AS3]as3为TextField设置焦点终结方法

首先监听Event.ADDED_TO_STAGE

private var txtf:TextField = new TextField();

addEventListener(Event.ADDED_TO_STAGE, setFoucs);

private function setFoucs(e:Event):void {
this.stage.focus = txtf;
}

这样才能使焦点设置成功，看了好多贴子，都是只说设置stage.focus，没监听Event.ADDED_TO_STAGE。