模拟鼠标事件listener(new MouseEvent(MouseEvent.CLICK));

import flash.events.KeyboardEvent;
import flash.ui.Keyboard;

mc.addEventListener(MouseEvent.CLICK,listener);
stage.addEventListener(KeyboardEvent.KEY_DOWN,_keyDown);

function _keyDown(e:KeyboardEvent):void
{
	if (e.keyCode == Keyboard.SPACE)
	{
		listener(new MouseEvent(MouseEvent.CLICK));
	}
}

function listener(e:MouseEvent):void
{
	trace("鼠标点击了");
	trace(typeof(e.target));
}