Cascader
Cascade selection box.
When To Use#
When you need to select from a set of associated data set. Such as province/city/district, company level, things classification.
When selecting from a large data set, with multi-stage classification separated for easy selection.
Chooses cascade items in one float layer for better user experience.
Examples
Please select
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
value: string | number;
label: string;
children?: Option[];
}
const options: Option[] = [
{
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',
},
],
},
],
},
];
const onChange = (value: string[]) => {
console.log(value);
};
const App: React.FC = () => (
<Cascader options={options} onChange={onChange} placeholder="Please select" />
);
export default App;
TypeScript
JavaScript
import { Cascader } from 'antd';
import React, { useState } from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
},
],
},
];
const App: React.FC = () => {
const [text, setText] = useState('Unselect');
const onChange = (_: string[], selectedOptions: Option[]) => {
setText(selectedOptions.map(o => o.label).join(', '));
};
return (
<span>
{text}
<Cascader options={options} onChange={onChange}>
<a href="#">Change city</a>
</Cascader>
</span>
);
};
export default App;
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
value: string;
label: string;
disabled?: boolean;
children?: Option[];
}
const options: Option[] = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
children: [
{
value: 'xihu',
label: 'West Lake',
},
],
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
disabled: true,
children: [
{
value: 'nanjing',
label: 'Nanjing',
children: [
{
value: 'zhonghuamen',
label: 'Zhong Hua Men',
},
],
},
],
},
];
const onChange = (value: string[]) => {
console.log(value);
};
const App: React.FC = () => <Cascader options={options} onChange={onChange} />;
export default App;
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
value: string | number;
label: string;
children?: Option[];
}
const options: Option[] = [
{
label: 'Light',
value: 'light',
children: new Array(20)
.fill(null)
.map((_, index) => ({ label: `Number ${index}`, value: index })),
},
{
label: 'Bamboo',
value: 'bamboo',
children: [
{
label: 'Little',
value: 'little',
children: [
{
label: 'Toy Fish',
value: 'fish',
},
{
label: 'Toy Cards',
value: 'cards',
},
{
label: 'Toy Bird',
value: 'bird',
},
],
},
],
},
];
const onChange = (value: string[][]) => {
console.log(value);
};
const App: React.FC = () => (
<Cascader
style={{ width: '100%' }}
options={options}
onChange={onChange}
multiple
maxTagCount="responsive"
/>
);
export default App;
4.17.0
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
{
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',
},
],
},
],
},
];
const onChange = (value: string[]) => {
console.log(value);
};
const App: React.FC = () => (
<>
<Cascader size="large" options={options} onChange={onChange} />
<br />
<br />
<Cascader options={options} onChange={onChange} />
<br />
<br />
<Cascader size="small" options={options} onChange={onChange} />
<br />
<br />
</>
);
export default App;
Please select
TypeScript
JavaScript
import { Cascader } from 'antd';
import type { DefaultOptionType } from 'antd/es/cascader';
import React from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
disabled?: boolean;
}
const options: Option[] = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
children: [
{
value: 'xihu',
label: 'West Lake',
},
{
value: 'xiasha',
label: 'Xia Sha',
disabled: true,
},
],
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
children: [
{
value: 'zhonghuamen',
label: 'Zhong Hua men',
},
],
},
],
},
];
const onChange = (value: string[], selectedOptions: Option[]) => {
console.log(value, selectedOptions);
};
const filter = (inputValue: string, path: DefaultOptionType[]) =>
path.some(
option => (option.label as string).toLowerCase().indexOf(inputValue.toLowerCase()) > -1,
);
const App: React.FC = () => (
<Cascader
options={options}
onChange={onChange}
placeholder="Please select"
showSearch={{ filter }}
onSearch={value => console.log(value)}
/>
);
export default App;
Please select
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
code: string;
name: string;
items?: Option[];
}
const options: Option[] = [
{
code: 'zhejiang',
name: 'Zhejiang',
items: [
{
code: 'hangzhou',
name: 'Hangzhou',
items: [
{
code: 'xihu',
name: 'West Lake',
},
],
},
],
},
{
code: 'jiangsu',
name: 'Jiangsu',
items: [
{
code: 'nanjing',
name: 'Nanjing',
items: [
{
code: 'zhonghuamen',
name: 'Zhong Hua Men',
},
],
},
],
},
];
const onChange = (value: string[]) => {
console.log(value);
};
const App: React.FC = () => (
<Cascader
fieldNames={{ label: 'name', value: 'code', children: 'items' }}
options={options}
onChange={onChange}
placeholder="Please select"
/>
);
export default App;
Please select
TypeScript
JavaScript
import type { RadioChangeEvent } from 'antd';
import { Cascader, Radio } from 'antd';
import React, { useState } from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
{
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',
},
],
},
],
},
];
const App: React.FC = () => {
const [placement, SetPlacement] = useState<'bottomLeft' | 'bottomRight' | 'topLeft' | 'topRight'>(
'topLeft',
);
const placementChange = (e: RadioChangeEvent) => {
SetPlacement(e.target.value);
};
return (
<>
<Radio.Group value={placement} onChange={placementChange}>
<Radio.Button value="topLeft">topLeft</Radio.Button>
<Radio.Button value="topRight">topRight</Radio.Button>
<Radio.Button value="bottomLeft">bottomLeft</Radio.Button>
<Radio.Button value="bottomRight">bottomRight</Radio.Button>
</Radio.Group>
<br />
<br />
<Cascader options={options} placeholder="Please select" placement={placement} />
</>
);
};
export default App;
Zhejiang / Hangzhou / West Lake
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
{
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',
},
],
},
],
},
];
const onChange = (value: string[]) => {
console.log(value);
};
const App: React.FC = () => (
<Cascader defaultValue={['zhejiang', 'hangzhou', 'xihu']} options={options} onChange={onChange} />
);
export default App;
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
{
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',
},
],
},
],
},
];
const onChange = (value: string[]) => {
console.log(value);
};
// Just show the latest item.
const displayRender = (labels: string[]) => labels[labels.length - 1];
const App: React.FC = () => (
<Cascader
options={options}
expandTrigger="hover"
displayRender={displayRender}
onChange={onChange}
/>
);
export default App;
TypeScript
JavaScript
import { Cascader } from 'antd';
import React from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hanzhou',
children: [
{
value: 'xihu',
label: 'West Lake',
},
],
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
children: [
{
value: 'zhonghuamen',
label: 'Zhong Hua Men',
},
],
},
],
},
];
const onChange = (value: string[]) => {
console.log(value);
};
const App: React.FC = () => <Cascader options={options} onChange={onChange} changeOnSelect />;
export default App;
TypeScript
JavaScript
import { Cascader } from 'antd';
const { SHOW_CHILD } = Cascader;
interface Option {
value: string | number;
label: string;
children?: Option[];
}
const options: Option[] = [
{
label: 'Light',
value: 'light',
children: new Array(20)
.fill(null)
.map((_, index) => ({ label: `Number ${index}`, value: index })),
},
{
label: 'Bamboo',
value: 'bamboo',
children: [
{
label: 'Little',
value: 'little',
children: [
{
label: 'Toy Fish',
value: 'fish',
},
{
label: 'Toy Cards',
value: 'cards',
},
{
label: 'Toy Bird',
value: 'bird',
},
],
},
],
},
];
const App: React.FC = () => {
const onChange = (value: string[][]) => {
console.log(value);
};
return (
<>
<Cascader
style={{ width: '100%' }}
options={options}
onChange={onChange}
multiple
maxTagCount="responsive"
showCheckedStrategy={SHOW_CHILD}
defaultValue={[
['bamboo', 'little', 'fish'],
['bamboo', 'little', 'cards'],
['bamboo', 'little', 'bird'],
]}
/>
<br />
<br />
<Cascader
style={{ width: '100%' }}
options={options}
onChange={onChange}
multiple
maxTagCount="responsive"
defaultValue={['bamboo']}
/>
</>
);
};
export default App;
4.20.0
Zhejiang / Hangzhou / West Lake (752100)
TypeScript
JavaScript
import { Cascader } from 'antd';
import type { DefaultOptionType } from 'antd/es/cascader';
import React from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
code?: number;
}
const options: Option[] = [
{
value: 'zhejiang',
label: 'Zhejiang',
children: [
{
value: 'hangzhou',
label: 'Hangzhou',
children: [
{
value: 'xihu',
label: 'West Lake',
code: 752100,
},
],
},
],
},
{
value: 'jiangsu',
label: 'Jiangsu',
children: [
{
value: 'nanjing',
label: 'Nanjing',
children: [
{
value: 'zhonghuamen',
label: 'Zhong Hua Men',
code: 453400,
},
],
},
],
},
];
const handleAreaClick = (
e: React.MouseEvent<HTMLAnchorElement>,
label: string,
option: DefaultOptionType,
) => {
e.stopPropagation();
console.log('clicked', label, option);
};
const displayRender = (labels: string[], selectedOptions: DefaultOptionType[]) =>
labels.map((label, i) => {
const option = selectedOptions[i];
if (i === labels.length - 1) {
return (
<span key={option.value}>
{label} (<a onClick={e => handleAreaClick(e, label, option)}>{option.code}</a>)
</span>
);
}
return <span key={option.value}>{label} / </span>;
});
const App: React.FC = () => (
<Cascader
options={options}
defaultValue={['zhejiang', 'hangzhou', 'xihu']}
displayRender={displayRender}
style={{ width: '100%' }}
/>
);
export default App;
TypeScript
JavaScript
import { Cascader } from 'antd';
import React, { useState } from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
isLeaf?: boolean;
loading?: boolean;
}
const optionLists: Option[] = [
{
value: 'zhejiang',
label: 'Zhejiang',
isLeaf: false,
},
{
value: 'jiangsu',
label: 'Jiangsu',
isLeaf: false,
},
];
const App: React.FC = () => {
const [options, setOptions] = useState<Option[]>(optionLists);
const onChange = (value: string[], selectedOptions: Option[]) => {
console.log(value, selectedOptions);
};
const loadData = (selectedOptions: Option[]) => {
const targetOption = selectedOptions[selectedOptions.length - 1];
targetOption.loading = true;
// load options lazily
setTimeout(() => {
targetOption.loading = false;
targetOption.children = [
{
label: `${targetOption.label} Dynamic 1`,
value: 'dynamic1',
},
{
label: `${targetOption.label} Dynamic 2`,
value: 'dynamic2',
},
];
setOptions([...options]);
}, 1000);
};
return <Cascader options={options} loadData={loadData} onChange={onChange} changeOnSelect />;
};
export default App;
Please select
TypeScript
JavaScript
import { Cascader, Divider } from 'antd';
import React from 'react';
interface Option {
value: string;
label: string;
children?: Option[];
}
const options: Option[] = [
{
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',
},
],
},
],
},
];
const dropdownRender = (menus: React.ReactNode) => (
<div>
{menus}
<Divider style={{ margin: 0 }} />
<div style={{ padding: 8 }}>The footer is not very short.</div>
</div>
);
const App: React.FC = () => (
<Cascader options={options} dropdownRender={dropdownRender} placeholder="Please select" />
);
export default App;
Error
TypeScript
JavaScript
import { Cascader, Space } from 'antd';
import React from 'react';
const App: React.FC = () => (
<Space direction="vertical">
<Cascader status="error" placeholder="Error" />
<Cascader status="warning" multiple placeholder="Warning multiple" />
</Space>
);
export default App;
4.19.0
API#
<Cascader options={options} onChange={onChange} />
Property | Description | Type | Default | Version |
---|---|---|---|---|
allowClear | Whether allow clear | boolean | true | |
autoFocus | If get focus when component mounted | boolean | false | |
bordered | Whether has border style | boolean | true | |
clearIcon | The custom clear icon | ReactNode | - | |
changeOnSelect | (Work on single select) Change value on each selection if set to true, see above demo for details | boolean | false | |
className | The additional css class | string | - | |
defaultValue | Initial selected value | string[] | number[] | [] | |
disabled | Whether disabled select | boolean | false | |
displayRender | The render function of displaying selected options | (label, selectedOptions) => ReactNode | label => label.join(/ ) | multiple : 4.18.0 |
popupClassName | The additional className of popup overlay | string | - | 4.23.0 |
dropdownRender | Customize dropdown content | (menus: ReactNode) => ReactNode | - | 4.4.0 |
expandIcon | Customize the current item expand icon | ReactNode | - | 4.4.0 |
expandTrigger | expand current item when click or hover, one of click hover | string | click | |
fieldNames | Custom field name for label and value and children | object | { label: label , value: value , children: children } | |
getPopupContainer | Parent Node which the selector should be rendered to. Default to body . When position issues happen, try to modify it into scrollable content and position it relative. example | function(triggerNode) | () => document.body | |
loadData | To load option lazily, and it cannot work with showSearch | (selectedOptions) => void | - | |
maxTagCount | Max tag count to show. responsive will cost render performance | number | responsive | - | 4.17.0 |
maxTagPlaceholder | Placeholder for not showing tags | ReactNode | function(omittedValues) | - | 4.17.0 |
notFoundContent | Specify content to show when no result matches | string | Not Found | |
open | Set visible of cascader popup | boolean | - | 4.17.0 |
options | The data options of cascade | Option[] | - | |
placeholder | The input placeholder | string | Please select | |
placement | Use preset popup align config from builtinPlacements | bottomLeft bottomRight topLeft topRight | bottomLeft | 4.17.0 |
showSearch | Whether show search input in single mode | boolean | Object | false | |
size | The input size | large | middle | small | - | |
status | Set validation status | 'error' | 'warning' | - | 4.19.0 |
style | The additional style | CSSProperties | - | |
suffixIcon | The custom suffix icon | ReactNode | - | |
value | The selected value | string[] | number[] | - | |
onChange | Callback when finishing cascader select | (value, selectedOptions) => void | - | |
onDropdownVisibleChange | Callback when popup shown or hidden | (value) => void | - | 4.17.0 |
multiple | Support multiple or not | boolean | - | 4.17.0 |
showCheckedStrategy | The way show selected item in box. SHOW_CHILD : just show child treeNode. Cascader.SHOW_PARENT : just show parent treeNode (when all child treeNode under the parent treeNode are checked) | Cascader.SHOW_PARENT | Cascader.SHOW_CHILD | Cascader.SHOW_PARENT | 4.20.0 |
removeIcon | The custom remove icon | ReactNode | - | |
searchValue | Set search value,Need work with showSearch | string | - | 4.17.0 |
onSearch | The callback function triggered when input changed | (search: string) => void | - | 4.17.0 |
dropdownMenuColumnStyle | The style of the drop-down menu column | CSSProperties | - | |
loadingIcon | The apparence of lazy loading (now is useless) | ReactNode | - |
showSearch#
Property | Description | Type | Default | Version |
---|---|---|---|---|
filter | The function will receive two arguments, inputValue and option, if the function returns true, the option will be included in the filtered set; Otherwise, it will be excluded | function(inputValue, path): boolean | - | |
limit | Set the count of filtered items | number | false | 50 | |
matchInputWidth | Whether the width of list matches input, (how it looks) | boolean | true | |
render | Used to render filtered options | function(inputValue, path): ReactNode | - | |
sort | Used to sort filtered options | function(a, b, inputValue) | - |
Option#
interface Option {
value: string | number;
label?: React.ReactNode;
disabled?: boolean;
children?: Option[];
// Determines if this is a leaf node(effective when `loadData` is specified).
// `false` will force trade TreeNode as a parent node.
// Show expand icon even if the current node has no children.
isLeaf?: boolean;
}
Methods#
Name | Description | Version |
---|---|---|
blur() | Remove focus | |
focus() | Get focus |