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e5451a95cb
* 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
75 lines
1.8 KiB
Markdown
75 lines
1.8 KiB
Markdown
---
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order: 5
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title:
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zh-CN: 带下拉框的按钮
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en-US: Button with dropdown menu
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---
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## zh-CN
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左边是按钮，右边是额外的相关功能菜单。可设置 `icon` 属性来修改右边的图标。
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## en-US
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A button is on the left, and a related functional menu is on the right. You can set the icon property to modify the icon of right.
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```jsx
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import { Menu, Dropdown, Button, message, Space, Tooltip } from 'antd';
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import { DownOutlined, UserOutlined } from '@ant-design/icons';
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function handleButtonClick(e) {
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message.info('Click on left button.');
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console.log('click left button', e);
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}
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function handleMenuClick(e) {
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message.info('Click on menu item.');
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console.log('click', e);
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}
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const menu = (
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<Menu onClick={handleMenuClick}>
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<Menu.Item key="1" icon={<UserOutlined />}>
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1st menu item
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</Menu.Item>
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<Menu.Item key="2" icon={<UserOutlined />}>
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2nd menu item
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</Menu.Item>
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<Menu.Item key="3" icon={<UserOutlined />}>
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3rd menu item
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</Menu.Item>
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</Menu>
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);
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ReactDOM.render(
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<Space wrap>
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<Dropdown.Button onClick={handleButtonClick} overlay={menu}>
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Dropdown
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</Dropdown.Button>
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<Dropdown.Button overlay={menu} placement="bottom" icon={<UserOutlined />}>
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Dropdown
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</Dropdown.Button>
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<Dropdown.Button onClick={handleButtonClick} overlay={menu} disabled>
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Dropdown
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</Dropdown.Button>
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<Dropdown.Button
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overlay={menu}
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buttonsRender={([leftButton, rightButton]) => [
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<Tooltip title="tooltip" key="leftButton">
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{leftButton}
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</Tooltip>,
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React.cloneElement(rightButton, { loading: true }),
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]}
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>
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With Tooltip
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</Dropdown.Button>
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<Dropdown overlay={menu}>
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<Button>
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Button <DownOutlined />
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</Button>
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</Dropdown>
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</Space>,
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mountNode,
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);
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```
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