text: // @flow
  import React, { Component } from 'react';
  import { NavLink } from 'react-router-dom';
  import logo from './images/logo.svg';
  import styles from './Nav.css';
  
  type Props = {};
  
  export default class Nav extends Component<Props> {
    props: Props;
  
    render() {
      return (
        <div className={styles.Nav}>
          <img src={logo} alt="政链云" />
          <div className={styles.navList}>
            <NavLink to="/node" activeClassName={styles.selected}>节点信息</NavLink>
            <NavLink to="/transmit" activeClassName={styles.selected}>政务传输</NavLink>
            <NavLink to="/query" activeClassName={styles.selected}>政务查询</NavLink>
            <NavLink to="/audit" activeClassName={styles.selected}>监管审计</NavLink>
            <NavLink to="/human" activeClassName={styles.selected}>人员管理</NavLink>
          </div>
        </div>
      );
    }
  }
  