text: import React from 'react';
  import { Row, Col } from 'antd';
  import Header from './components/Header';
  import Footer from './components/Footer';
  import NavLeft from './components/NavLeft';
  
  class Admin extends React.Component {
  
    render() {
      return (
        <Row>
          <Col span={3}>
            <NavLeft />
          </Col>
          <Col span={21}>
            <Header />
            <Row> content </Row>
            <Footer />
          </Col>
        </Row>
      )
    }
  }
  
  export default Admin;