<cn>
#### 顶部导航
水平的顶部导航菜单。
</cn>

<us>
#### Top Navigation
Horizontal top navigation menu.
</us>

```html
<template>
<div>
  <a-menu
    v-model="current"
    mode="horizontal"
  >
    <a-menu-item key="mail">
      <a-icon type="mail" />Navigation One
    </a-menu-item>
    <a-menu-item key="app" disabled>
      <a-icon type="appstore" />Navigation Two
    </a-menu-item>
    <a-sub-menu>
      <span slot="title"><a-icon type="setting" />Navigation Three - Submenu</span>
      <a-menu-item-group title="Item 1">
        <a-menu-item key="setting:1">Option 1</a-menu-item>
        <a-menu-item key="setting:2">Option 2</a-menu-item>
      </a-menu-item-group>
      <a-menu-item-group title="Item 2">
        <a-menu-item key="setting:3">Option 3</a-menu-item>
        <a-menu-item key="setting:4">Option 4</a-menu-item>
      </a-menu-item-group>
    </a-sub-menu>
    <a-menu-item key="alipay">
      <a href="https://ant.design" target="_blank" rel="noopener noreferrer">Navigation Four - Link</a>
    </a-menu-item>
  </a-menu>
</div>
</template>
<script>
export default {
  data () {
    return {
      current: ['mail'],
    }
  },
}
</script>
```
