mirror of
https://gitee.com/ant-design/ant-design.git
synced 2024-12-15 09:21:22 +08:00
67 lines
969 B
Markdown
67 lines
969 B
Markdown
---
|
|
order: 1
|
|
title:
|
|
zh-CN: 默认值
|
|
en-US: Default value
|
|
---
|
|
|
|
## zh-CN
|
|
|
|
默认值通过数组的方式指定。
|
|
|
|
## en-US
|
|
|
|
Specifies default value by an array.
|
|
|
|
```jsx
|
|
import { Cascader } from 'antd';
|
|
|
|
const options = [
|
|
{
|
|
value: 'zhejiang',
|
|
label: 'Zhejiang',
|
|
children: [
|
|
{
|
|
value: 'hangzhou',
|
|
label: 'Hangzhou',
|
|
children: [
|
|
{
|
|
value: 'xihu',
|
|
label: 'West Lake',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
{
|
|
value: 'jiangsu',
|
|
label: 'Jiangsu',
|
|
children: [
|
|
{
|
|
value: 'nanjing',
|
|
label: 'Nanjing',
|
|
children: [
|
|
{
|
|
value: 'zhonghuamen',
|
|
label: 'Zhong Hua Men',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
];
|
|
|
|
function onChange(value) {
|
|
console.log(value);
|
|
}
|
|
|
|
ReactDOM.render(
|
|
<Cascader
|
|
defaultValue={['zhejiang', 'hangzhou', 'xihu']}
|
|
options={options}
|
|
onChange={onChange}
|
|
/>,
|
|
mountNode,
|
|
);
|
|
```
|