UntitledDocument #rRightDown,#rLeftDown,#rLeftUp,#rRightUp,#rRight,#rLeft,#rUp,#rDown{ position:absolute; background:#00F; width:3px; height:3px; z-index:6; font-size:0; } #rLeftDown,#rRightUp{cursor:ne-resize;} #rRightDown,#rLeftUp{cursor:nw-resize;} #rRight,#rLeft{cursor:e-resize;} #rUp,#rDown{cursor:n-resize;} #rLeftDown{left:-4px;bottom:-4px;} #rRightUp{right:-4px;top:-4px;} #rRightDown{right:-4px;bottom:-4px;background-color:#00F;} #rLeftUp{left:-4px;top:-4px;} #rRight{right:-4px;top:50%;margin-top:-4px;} #rLeft{left:-4px;top:50%;margin-top:-4px;} #rUp{top:-4px;left:50%;margin-left:-4px;} #rDown{bottom:-4px;left:50%;margin-left:-4px;} aa bb [Ctrl+A 全选 注:引入外部Js需再刷新一下页面才能执行]