text: import React, { Component } from 'react'
  import { Menu } from 'shengnian-ui-react'
  
  export default class MenuExampleInvertedVertical extends Component {
    state = { activeItem: 'home' }
  
    handleItemClick = (e, { name }) => this.setState({ activeItem: name })
  
    render() {
      const { activeItem } = this.state
  
      return (
        <Menu inverted vertical>
          <Menu.Item name='home' active={activeItem === 'home'} onClick={this.handleItemClick} />
          <Menu.Item name='messages' active={activeItem === 'messages'} onClick={this.handleItemClick} />
          <Menu.Item name='friends' active={activeItem === 'friends'} onClick={this.handleItemClick} />
        </Menu>
      )
    }
  }
  