WPS文字里如何添加那种点击方框后自动打勾的操作啊。<a target="_blank" render="ext" extra-data="type=atname" href="//weibo.com/n/WPS%E7%8E%A9%E8%BD%ACOffice?from=feed&amp;loc=at" usercard="name=WPS玩转Office">@WPS玩转Office</a>