ant-design/components/menu/demo/vertical.md

order	title
3	zh-CN en-US 垂直菜单 Vertical menu

zh-CN

子菜单是弹出的形式。

en-US

Submenus open as pop-ups.

import { Menu, Icon } from 'antd';
const SubMenu = Menu.SubMenu;
const MenuItemGroup = Menu.ItemGroup;

function handleClick(e) {
  console.log('click', e);
}

ReactDOM.render(
  <Menu onClick={handleClick} style={{ width: 256 }} mode="vertical">
    <SubMenu key="sub1" title={<span><Icon type="mail" /><span>Navigation One</span></span>}>
      <MenuItemGroup title="Item 1">
        <Menu.Item key="1">Option 1</Menu.Item>
        <Menu.Item key="2">Option 2</Menu.Item>
      </MenuItemGroup>
      <MenuItemGroup title="Iteom 2">
        <Menu.Item key="3">Option 3</Menu.Item>
        <Menu.Item key="4">Option 4</Menu.Item>
      </MenuItemGroup>
    </SubMenu>
    <SubMenu key="sub2" title={<span><Icon type="appstore" /><span>Navigation Two</span></span>}>
      <Menu.Item key="5">Option 5</Menu.Item>
      <Menu.Item key="6">Option 6</Menu.Item>
      <SubMenu key="sub3" title="Submenu">
        <Menu.Item key="7">Option 7</Menu.Item>
        <Menu.Item key="8">Option 8</Menu.Item>
      </SubMenu>
    </SubMenu>
    <SubMenu key="sub4" title={<span><Icon type="setting" /><span>Navigation Three</span></span>}>
      <Menu.Item key="9">Option 9</Menu.Item>
      <Menu.Item key="10">Option 10</Menu.Item>
      <Menu.Item key="11">Option 11</Menu.Item>
      <Menu.Item key="12">Option 12</Menu.Item>
    </SubMenu>
  </Menu>
, mountNode);