假设文字所在的元件为txt(注册点放在一个角上边,不要放在中间),图片所在元件名字为pic,
txt.visible = false;
pic.addEventListener(MouseEvent.MOUSE_OVER,onOver);
pic.addEventListener(MouseEvent.MOUSE_OUT,onOut);
function onOver(e:MouseEvent){
txt.visible = true;
txt.x = mouseX;
txt.y = mouseY;
}
function onOut(e:MouseEvent){
txt.visible = flase;
}