vue通过方法设置样式

<span @contextmenu.prevent.stop="showCreat($event)" >右键点击</span>

data(){
      mouseCreatStyle:"",//右键新建的样式
},
methods: {
    showCreat(event){
      this.mouseCreatStyle=`position:absolute;top:${event.target.offsetTop+15}px;left:${event.x-10}px;`;
    },
}