React-router路由问题

Question

classR1extendsReact.Component{render(){return1}}classR2extendsReact.Component{render(){return2}}classRtsextendsReact.Component{render(){return}}constrender=()=>{ReactDOM.render(,document.querySelector('#app'))}render();http://localhost:8080/R的结果是CannotGET/R我很气啊

Answer 1