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1.8 KiB
1.8 KiB
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zh-CN
使用 dropdownRender
对下拉菜单进行自由扩展。自定义内容点击时会关闭浮层,如果不喜欢关闭,可以添加 onMouseDown={e => e.preventDefault()}
进行阻止(更多详情见 #13448)。
en-US
Customize the dropdown menu via dropdownRender
. Dropdown menu will be closed if click dropdownRender
area, you can prevent it by wrapping onMouseDown={e => e.preventDefault()}
(see more at #13448).
import React, { useState } from 'react';
import { Select, Divider, Input, Typography, Space } from 'antd';
import { PlusOutlined } from '@ant-design/icons';
const { Option } = Select;
let index = 0;
const App = () => {
const [items, setItems] = useState(['jack', 'lucy']);
const [name, setName] = useState('');
const onNameChange = event => {
setName(event.target.value);
};
const addItem = e => {
e.preventDefault();
setItems([...items, name || `New item ${index++}`]);
setName('');
};
return (
<Select
style={{ width: 300 }}
placeholder="custom dropdown render"
dropdownRender={menu => (
<>
{menu}
<Divider style={{ margin: '8px 0' }} />
<Space align="center" style={{ padding: '0 8px 4px' }}>
<Input placeholder="Please enter item" value={name} onChange={onNameChange} />
<Typography.Link onClick={addItem} style={{ whiteSpace: 'nowrap' }}>
<PlusOutlined /> Add item
</Typography.Link>
</Space>
</>
)}
>
{items.map(item => (
<Option key={item}>{item}</Option>
))}
</Select>
);
};
export default App;