<el-menu
router
:default-active="$route.path"
background-color="#154672"
text-color="#ffffff"
active-text-color="#ffffff"
class="el-menu-vertical-demo"
@open="handleOpen"
@close="handleClose"
>
<el-menu-item index="/five/login">
<!-- <i class="el-icon-menu"></i> -->
<span slot="title">登录页图片</span>
</el-menu-item>
</el-menu>
在<el-menu>修改:default-active为"$route.path"
