login-sample2.js

export default class LoginContainer extends Component {
  getInitState () {
    return { username: '', password: ''};
  }
  onSubmit (event) {
    event.preventDefault();
    const {username, password} = this.state;
    request
      .post('/admin/login')
      .send({username, password})
      .end((error, res) => {
        if (error) {
          this.setState({
            error: res.body.message
          });
        } else {
          window.location.href = '/admin';
        }
      });
  }
  fieldChange (id, value) {
    this.setState({[id]: value});
  }
  render () {
    return (
      <Login ref='login' {...this.props} {...this.state} onSubmit={::this.onSubmit} fieldChange={::this.fieldChange} />
    );
  }