# 动画语法： ## 导航上选中谁给谁添加背景等CSS ## active-class="active" ~~~ <template> <ul class="nav"> <router-link active-class="active" tag="li" to="/index">首页</router-link> <router-link active-class="active" tag="li" to="goods">商品</router-link> <router-link active-class="active" tag="li" to="user">用户中心</router-link> </ul> </template> ~~~