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

<cn>
#### 垂直菜单
子菜单是弹出的形式。
</cn>

<us>
#### Vertical menu
Submenus open as pop-ups.
</us>

```tpl
<template>
  <div>
    <a-menu style="width: 256px" mode="vertical" @click="handleClick">
      <a-menu-item key="1">
        <a-icon type="mail" />
        Navigation One
      </a-menu-item>
      <a-menu-item key="2">
        <a-icon type="calendar" />
        Navigation Two
      </a-menu-item>
      <a-sub-menu key="sub1">
        <span slot="title"><a-icon type="appstore" /><span>Navigation Three</span></span>
        <a-menu-item key="3">Option 3</a-menu-item>
        <a-menu-item key="4">Option 4</a-menu-item>
        <a-sub-menu key="sub1-2" title="Submenu">
          <a-menu-item key="5">Option 5</a-menu-item>
          <a-menu-item key="6">Option 6</a-menu-item>
        </a-sub-menu>
      </a-sub-menu>
      <a-sub-menu key="sub2">
        <span slot="title"><a-icon type="setting" /><span>Navigation Four</span></span>
        <a-menu-item key="7">Option 7</a-menu-item>
        <a-menu-item key="8">Option 8</a-menu-item>
        <a-menu-item key="9">Option 9</a-menu-item>
        <a-menu-item key="10">Option 10</a-menu-item>
      </a-sub-menu>
    </a-menu>
  </div>
</template>
<script>
  export default {
    methods: {
      handleClick(e) {
        console.log('click ', e);
      },
    },
  };
</script>
```