# RadioGroup 组合

- order: 1

一组互斥的 Radio 配合使用。

---

````jsx
import { Radio } from 'antd';
const RadioGroup = Radio.Group;

const App = React.createClass({
  getInitialState() {
    return {
      value: 1
    };
  },
  onChange(e) {
    console.log(`radio checked`, e.target.value);
    this.setState({
      value: e.target.value
    });
  },
  render() {
    return (
      <div>
        <RadioGroup onChange={this.onChange} value={this.state.value}>
          <Radio key="a" value={1}>A</Radio>
          <Radio key="b" value={2}>B</Radio>
          <Radio key="c" value={3}>C</Radio>
          <Radio key="d" value={null}>D</Radio>
        </RadioGroup>
      </div>
    );
  }
});
ReactDOM.render(<App />, mountNode);
````