Radio 示例:3

```jsx
const Radio = require('antd').Radio;
const RadioGroup = Radio.Group;
<div>
  <RadioGroup >
        <Radio value={1}>A</Radio>
        <Radio value={2}>B</Radio>
        <Radio value={3}>C</Radio>
        <Radio value={4}>D</Radio>
      </RadioGroup>
</div>;
```