content: import React from 'react'
  import {Link} from 'react-router-dom'
  
  export default ({logoTxt, avatar, logoutUrl}) => (
    <div>
      <div className='header'>
        <Link to='/'>
          <div className='logo'>
            <span className='logo__img' />
            <span className='logo__text'>{logoTxt}</span>
          </div>
        </Link>
        <div className='header__notice hidden'>
          <span className='notice__tag' />
          <div className='notice__time' />
        </div>
        <div className={'header__item account dropdown'}>
          <a href='#' className='dropdown-toggle' data-toggle='dropdown'>
            <img src={avatar} alt='avatar' />
            <span className='caret' />
          </a>
          <ul className='dropdown-menu'>
            <li><a href={logoutUrl}>注销</a></li>
          </ul>
        </div>
      </div>
      <div className='header-placeholder' />
    </div>
  )
  