import { Router } from 'react-router'
<!--这里可以有三种-->
<!--history 部分源码
exports.createBrowserHistory = _createBrowserHistory3.default;
exports.createHashHistory = _createHashHistory3.default;
exports.createMemoryHistory = _createMemoryHistory3.default;
-->
import createBrowserHistory from 'history/createBrowserHistory'
//
const history = createBrowserHistory()

<Router history={history}>
 <App/>
</Router>

 <BrowserRouter forceRefresh={!supportsHistory} keyLength={12}>
   <div>
     <Route path="/" component={aContainer} />
     <Route path="/b" component={bContainer} />
   </div>
  </BrowserRouter>

 <BrowserRouter forceRefresh={!supportsHistory} keyLength={12}>
   <Switch>
       //这里用exact，仅仅是担心location被 path='/'截胡了。
     <Route exact path="/" component={aContainer} />
     <Route path="/b" component={bContainer} />
   </Switch>
  </BrowserRouter>

 <BrowserRouter forceRefresh={!supportsHistory} keyLength={12}>
   <div>
     <Route path="/" component={aContainer} />
     <Route path="/b" component={bContainer} />
   </div>
  </BrowserRouter>

 <BrowserRouter forceRefresh={!supportsHistory} keyLength={12}>
   <div >
    <Route path="/" component={aContainer} />
    <Route path="/b" component={Parent} />
    {/* {app()} */}
   </div>
  </BrowserRouter>

const Parent = ({ match }) => (
 <div>
  <Route path={`${match.url}/`} component={bContainer} />
  <Route path={`${match.url}/c`} component={cContainer} />
  <Route path={`${match.url}/d`} component={dContainer} />
 </div>
);

npm install --save react-router-config

const routes = [
 { component: bContainer,
  routes: [
   { path: '/',
    exact: true,
    component: bContainer
   },
   { path: '/b/b',
    component: bContainer,
    routes: [
     { path: '/b/b/b',
      component: bContainer
     }
    ]
   }
  ]
 }
]

<BrowserRouter forceRefresh={!supportsHistory} keyLength={12}>
   <div >
     {renderRoutes(routes)}
   </div>
 </BrowserRouter>

 <div>
 1111
 {renderRoutes(this.props.route.routes)}
</div>