# RadioGroup组合 - order: 1 RadioGroup 组合。 --- ````jsx var Radio = antd.Radio; var RadioGroup = antd.RadioGroup; var App = React.createClass({ getInitialState: function () { return { value:"a" }; }, onChange(ev) { console.log('radio checked:' + ev.target.value); this.setState({ value:ev.target.value }) }, render() { return