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1.5 KiB
1.5 KiB
order | title | ||||
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25 |
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zh-CN
Select 使用了虚拟滚动技术,因而获得了比 3.0 更好的性能。
en-US
Select use virtual scroll which get better performance than 3.0.
import type { SelectProps } from 'antd';
import { Divider, Select, Typography } from 'antd';
import React from 'react';
const { Title } = Typography;
const options: SelectProps['options'] = [];
for (let i = 0; i < 100000; i++) {
const value = `${i.toString(36)}${i}`;
options.push({
label: value,
value,
disabled: i === 10,
});
}
const handleChange = (value: string[]) => {
console.log(`selected ${value}`);
};
const App: React.FC = () => (
<>
<Title level={3}>Ant Design 4.0</Title>
<Title level={4}>{options.length} Items</Title>
<Select
mode="multiple"
style={{ width: '100%' }}
placeholder="Please select"
defaultValue={['a10', 'c12']}
onChange={handleChange}
options={options}
/>
<Divider />
<Title level={3}>Ant Design 3.0</Title>
<iframe
title="Ant Design 3.0 Select demo"
src="https://codesandbox.io/embed/solitary-voice-m3vme?fontsize=14&hidenavigation=1&theme=dark&view=preview"
style={{ width: '100%', height: 300 }}
/>
</>
);
export default App;