props.children 和容器类组件

class Card extends Component {
render () {
return (
<div className='card'>
<div className='card-content'>
{this.props.children}
</div>
</div>
)
}
}

ReactDOM.render(
<Card>
<h2>React.js 小书</h2>
<div>开源、免费、专业、简单</div>
订阅：<input />
</Card>,
document.getElementById('root')
)