Radio
Radio.
When To Use#
Used to select a single state from multiple options.
The difference from Select is that Radio is visible to the user and can facilitate the comparison of choice, which means there shouldn't be too many of them.
Examples
TypeScript
JavaScript
import { Radio } from 'infrad';
import React from 'react';
const App: React.FC = () => <Radio>Radio</Radio>;
export default App;
TypeScript
JavaScript
import type { RadioChangeEvent } from 'infrad';
import { Radio } from 'infrad';
import React, { useState } from 'react';
const App: React.FC = () => {
const [value, setValue] = useState(1);
const onChange = (e: RadioChangeEvent) => {
console.log('radio checked', e.target.value);
setValue(e.target.value);
};
return (
<Radio.Group onChange={onChange} value={value}>
<Radio value={1}>A</Radio>
<Radio value={2}>B</Radio>
<Radio value={3}>C</Radio>
<Radio value={4}>D</Radio>
</Radio.Group>
);
};
export default App;
TypeScript
JavaScript
import type { RadioChangeEvent } from 'infrad';
import { Radio } from 'infrad';
import React, { useState } from 'react';
const plainOptions = ['Apple', 'Pear', 'Orange'];
const options = [
{ label: 'Apple', value: 'Apple' },
{ label: 'Pear', value: 'Pear' },
{ label: 'Orange', value: 'Orange' },
];
const optionsWithDisabled = [
{ label: 'Apple', value: 'Apple' },
{ label: 'Pear', value: 'Pear' },
{ label: 'Orange', value: 'Orange', disabled: true },
];
const App: React.FC = () => {
const [value1, setValue1] = useState('Apple');
const [value2, setValue2] = useState('Apple');
const [value3, setValue3] = useState('Apple');
const [value4, setValue4] = useState('Apple');
const onChange1 = ({ target: { value } }: RadioChangeEvent) => {
console.log('radio1 checked', value);
setValue1(value);
};
const onChange2 = ({ target: { value } }: RadioChangeEvent) => {
console.log('radio2 checked', value);
setValue2(value);
};
const onChange3 = ({ target: { value } }: RadioChangeEvent) => {
console.log('radio3 checked', value);
setValue3(value);
};
const onChange4 = ({ target: { value } }: RadioChangeEvent) => {
console.log('radio4 checked', value);
setValue4(value);
};
return (
<>
<Radio.Group options={plainOptions} onChange={onChange1} value={value1} />
<br />
<Radio.Group options={optionsWithDisabled} onChange={onChange2} value={value2} />
<br />
<br />
<Radio.Group options={options} onChange={onChange3} value={value3} optionType="button" />
<br />
<br />
<Radio.Group
options={optionsWithDisabled}
onChange={onChange4}
value={value4}
optionType="button"
buttonStyle="solid"
/>
</>
);
};
export default App;
TypeScript
JavaScript
import { Radio } from 'infrad';
import React from 'react';
const App: React.FC = () => (
<Radio.Group name="radiogroup" defaultValue={1}>
<Radio value={1}>A</Radio>
<Radio value={2}>B</Radio>
<Radio value={3}>C</Radio>
<Radio value={4}>D</Radio>
</Radio.Group>
);
export default App;
TypeScript
JavaScript
import { Radio } from 'infrad';
import React from 'react';
const App: React.FC = () => (
<>
<Radio.Group defaultValue="a" buttonStyle="solid">
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b">Shanghai</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
<Radio.Group defaultValue="c" buttonStyle="solid" style={{ marginTop: 16 }}>
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b" disabled>
Shanghai
</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
</>
);
export default App;
TypeScript
JavaScript
import { Button, Radio } from 'infrad';
import React, { useState } from 'react';
const App: React.FC = () => {
const [disabled, setDisabled] = useState(true);
const toggleDisabled = () => {
setDisabled(!disabled);
};
return (
<>
<Radio defaultChecked={false} disabled={disabled}>
Disabled
</Radio>
<Radio defaultChecked disabled={disabled}>
Disabled
</Radio>
<br />
<Button type="primary" onClick={toggleDisabled} style={{ marginTop: 16 }}>
Toggle disabled
</Button>
</>
);
};
export default App;
TypeScript
JavaScript
import type { RadioChangeEvent } from 'infrad';
import { Input, Radio, Space } from 'infrad';
import React, { useState } from 'react';
const App: React.FC = () => {
const [value, setValue] = useState(1);
const onChange = (e: RadioChangeEvent) => {
console.log('radio checked', e.target.value);
setValue(e.target.value);
};
return (
<Radio.Group onChange={onChange} value={value}>
<Space direction="vertical">
<Radio value={1}>Option A</Radio>
<Radio value={2}>Option B</Radio>
<Radio value={3}>Option C</Radio>
<Radio value={4}>
More...
{value === 4 ? <Input style={{ width: 100, marginLeft: 10 }} /> : null}
</Radio>
</Space>
</Radio.Group>
);
};
export default App;
TypeScript
JavaScript
import type { RadioChangeEvent } from 'infrad';
import { Radio } from 'infrad';
import React from 'react';
const onChange = (e: RadioChangeEvent) => {
console.log(`radio checked:${e.target.value}`);
};
const App: React.FC = () => (
<>
<Radio.Group onChange={onChange} defaultValue="a">
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b">Shanghai</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
<Radio.Group onChange={onChange} defaultValue="a" style={{ marginTop: 16 }}>
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b" disabled>
Shanghai
</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
<Radio.Group disabled onChange={onChange} defaultValue="a" style={{ marginTop: 16 }}>
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b">Shanghai</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
</>
);
export default App;
TypeScript
JavaScript
import { Radio } from 'infrad';
import React from 'react';
const App: React.FC = () => (
<>
<Radio.Group defaultValue="a" size="large">
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b">Shanghai</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
<Radio.Group defaultValue="a" style={{ marginTop: 16 }}>
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b">Shanghai</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
<Radio.Group defaultValue="a" size="small" style={{ marginTop: 16 }}>
<Radio.Button value="a">Hangzhou</Radio.Button>
<Radio.Button value="b">Shanghai</Radio.Button>
<Radio.Button value="c">Beijing</Radio.Button>
<Radio.Button value="d">Chengdu</Radio.Button>
</Radio.Group>
</>
);
export default App;
API#
Radio/Radio.Button#
Property | Description | Type | Default |
---|---|---|---|
autoFocus | Whether get focus when component mounted | boolean | false |
checked | Specifies whether the radio is selected | boolean | false |
defaultChecked | Specifies the initial state: whether or not the radio is selected | boolean | false |
disabled | Disable radio | boolean | false |
value | According to value for comparison, to determine whether the selected | any | - |
RadioGroup#
Radio group can wrap a group of Radio
。
Property | Description | Type | Default | Version |
---|---|---|---|---|
buttonStyle | The style type of radio button | outline | solid | outline | |
defaultValue | Default selected value | any | - | |
disabled | Disable all radio buttons | boolean | false | |
name | The name property of all input[type="radio"] children | string | - | |
options | Set children optional | string[] | number[] | Array<{ label: string value: string disabled?: boolean }> | - | |
optionType | Set Radio optionType | default | button | default | 4.4.0 |
size | The size of radio button style | large | middle | small | - | |
value | Used for setting the currently selected value | any | - | |
onChange | The callback function that is triggered when the state changes | function(e:Event) | - |
Methods#
Radio#
Name | Description |
---|---|
blur() | Remove focus |
focus() | Get focus |