【AS】键盘监听事件-解析

//导入监听事件

import flash.events.KeyboardEvent;

//设置焦点

stage.focus=txt;

//设置监听事件

stage.addEventListener(KeyboardEvent.KEY_DOWN, onkeydown);

//处理监听事件

function onkeydown(e:KeyboardEvent):void {

//将字符编码进行转换

txt.text = String.fromCharCode(e.charCode);
}