ant design for vue 刷新页面，根据当前路由选中相应菜单

　　　　<a-menu theme="dark" mode="horizontal" class="menu__a" @select="changeMenu"
                :defaultSelectedKeys="[$route.name]":selectedKeys="[$route.name]"

> <a-menu-item :key="page.name" :path="page.path" v-for="page in menus"> <router-link :to="page.path">{{page.title}}</router-link> </a-menu-item> </a-menu>