您正在渲染数组,但是只能从react组件返回一个块,将map函数包装在div中
class Information extends Component { render() { const otherInformationLoop = otherInformation.map((value, key) => { return ( <div> <div className="col-md-4" key={key}> <div className="dashboard-info"> {Object.keys(value).map((val, k) => { return (<h4 k={k}>{val}</h4>) }) } </div> </div> </div> ) }) return ( <div>{ otherInformationLoop }</div> ); }}


