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ant-design/components/dropdown/demo/placement.md
MadCcc e5451a95cb
feat: dropdown support arrow pointing at center (#33658) 
* feat: add pointAtCenter prop for dropdown

* feat: dropdown support arrow pointing at center

* chore: code clean

* chore: use getPlacements in tooltip

* feat: dropdown support 'top' and 'bottom'

* chore: update snapshot

* chore: move placements to util folder

* feat: make 'topCenter' and 'bottomCenter' in Dropdown deprecated

* test: update snapshot

* test: add test for topCenter and bottomCenter
2022-01-13 13:34:34 +08:00

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order title
1
zh-CN en-US
弹出位置 Placement

zh-CN

支持 6 个弹出位置。

en-US

Support 6 placements.

import { Menu, Dropdown, Button, Space } from 'antd';

const menu = (
  <Menu>
    <Menu.Item>
      <a target="_blank" rel="noopener noreferrer" href="https://www.antgroup.com">
        1st menu item
      </a>
    </Menu.Item>
    <Menu.Item>
      <a target="_blank" rel="noopener noreferrer" href="https://www.aliyun.com">
        2nd menu item
      </a>
    </Menu.Item>
    <Menu.Item>
      <a target="_blank" rel="noopener noreferrer" href="https://www.luohanacademy.com">
        3rd menu item
      </a>
    </Menu.Item>
  </Menu>
);

ReactDOM.render(
  <Space direction="vertical">
    <Space wrap>
      <Dropdown overlay={menu} placement="bottomLeft">
        <Button>bottomLeft</Button>
      </Dropdown>
      <Dropdown overlay={menu} placement="bottom">
        <Button>bottom</Button>
      </Dropdown>
      <Dropdown overlay={menu} placement="bottomRight">
        <Button>bottomRight</Button>
      </Dropdown>
    </Space>
    <Space wrap>
      <Dropdown overlay={menu} placement="topLeft">
        <Button>topLeft</Button>
      </Dropdown>
      <Dropdown overlay={menu} placement="top">
        <Button>top</Button>
      </Dropdown>
      <Dropdown overlay={menu} placement="topRight">
        <Button>topRight</Button>
      </Dropdown>
    </Space>
  </Space>,
  mountNode,
);