代码

  <div class="visitors"><visitor class="item" v-for="(user,index) in userArr" :key="user.id" :user="user" :index="index"></visitor></div><style lang="scss" scoped>
.visitors{display: flex;
//开启flex布局flex-wrap: wrap;
//换行属性.item{width: 32%;margin: 5px;}
}
</style>

效果