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# Menu
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- category: Components
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- chinese: 导航菜单
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---
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## 何时使用
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需要多级菜单时
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```html
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<Menu>
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<MenuItem>菜单项</MenuItem>
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<SubMenu title="子菜单">
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<MenuItem>子菜单项</MenuItem>
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</SubMenu>
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</Menu>
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```
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## API
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### Menu props
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| 参数 | 说明 | 类型 | 默认值 |
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|----------|----------------|----------|--------------|
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| horizontal | 是否横向菜单 | boolean | false |
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| vertical | 是否侧向菜单 | boolean | false |
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| multiple | 支持多选 | | false |
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| selectedKeys | 选中的菜单项 key 数组 | | |
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| onSelect | 被选中时调用，参数为选中的 menuitem key 值 | function | 无 |
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| onDeselect | 取消选中时调用，参数为选中的 menuitem key 值，仅在multiple生效 | function | 无 |
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| onClick | 点击 menuitem 调用此函数，参数为点击的 menuitem key 值 | function | 无 |
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| style | 根节点样式 | object | | |
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### Menu.Item props
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| 参数 | 说明 | 类型 | 默认值 |
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|----------|----------------|----------|--------------|
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| disabled | 是否禁用 | Boolean | false |
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| key | item 的唯一标志 | String | | |
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### Menu.SubMenu props
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| 参数 | 说明 | 类型 | 默认值 |
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|----------|----------------|----------|--------------|
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| title | 子菜单项值 | String or React.Element | |
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| align | 子菜单的对齐配置 | object | {points:['lt','rt']} 弹出子菜单的 left top 和子菜单项的 right top 对齐 |
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| children | (MenuItem or SubMenu)[] | 子菜单的菜单项 | | |
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