mise en œuvre du routage el-menu

el-menu 实现 路由 需要 添加routeur: default-active = "$ route.path"
 index = "/ bar" 
<el-menu 
        default-active = "2" 
        class = "el-menu-vertical-demo" 
        @ open = "handleOpen" 
        : collapse = "isCollapse" 
       router 
        : default-active = "$ route.path"
         @ close = "handleClose"> 
    <el-submenu index = "1"> 
        <template slot = "title"> 
            <i class = "el-icon-location"> </i> 
            <span> 工具 </span> 
        </template> 
        <el-menu-item-group> 
            <el-menu-item index = "/ bar"> Mobile </ el-menu-item> 
            <el-menu-item index = "/ foo"> sélectionnez </ el-menu-item>
            <el-menu-item index = "/ main"> 魔法 </el-menu-item> 
        </el-menu-item-group>

</el-submenu>

</el-menu>

<le-menu