vue鼠标事件

 	<div @click='event'>单击事件</div>
	<div @dblclick='event'>双击事件</div>
	<div @mousedown='event'>按下事件</div>
 	<div @mouseup='event'>抬起事件</div>
 	<div @mousemove='event'>移动事件</div>
 	<div @mouseleave='event'>移开事件</div>
 	<div @mouseenter='event'>移入事件</div>
 	<div @mouseout='event'>移出事件</div>