# 内嵌菜单 - order: 1 垂直菜单,子菜单内嵌在菜单区域。 --- ````jsx var Menu = antd.Menu; var SubMenu = Menu.SubMenu; var Sider = React.createClass({ getInitialState() { return { current: 'mail' } }, handleClick(item) { console.log('click ', item); this.setState({ current: item.key }); }, render() { return 导航一}> 选项1 选项2 选项3 选项4 导航二}> 选项5 选项6 选项7 选项8 导航三}> 选项9 选项10 选项11 选项12 ; } }); React.render(, document.getElementById('components-menu-demo-sider')); ````