详解关于React-Router4.0跳转不置顶解决方案

<Router onUpdate={() => window.scrollTo(0, 0)} history={hashHistory}>

<Route path="/" ponent={ App }>
</Router>

class Protol extends React.Component {

constructor(props) {
  super(props);
}
 ponentDidUpdate(prevProps) {
   if (this.props.location !== prevProps.location) {
     window.scrollTo(0, 0)
   }
 }
render() {
  return (
    <div>
      <Header/>

      {this.props.children}
      <Footer/>
    </div>
  );
}
}