无法读取未定义-- react-router v4 & create-react-app的属性'history‘

import { withRouter } from 'react-router-dom';

class YourComponent extends React.Component {
  // ...
}

export default withRouter(YourComponent);

import { Route } from 'react-router-dom';

class YourComponent extends React.Component {
  // ...
}

const App = () => (
  <Route
    path="/your-path"
    render={(props) => <YourComponent {...props} />}
  />
);

export default App;

import { Route } from 'react-router-dom';

class YourComponent extends React.Component {
  // ...
}

const App = () => (
  <Route
    path="/your-path"
    component={(props) => <YourComponent {...props} />}
  />
);

export default App;