react实现菜单权限控制的方法

export default (
  <Route path="/" component={App}>
    <IndexRoute component={EmployeeList}/>
    <Route path="/employee" component={Employee}>
      <IndexRoute component={EmployeeList}/>
      <Route path="/employee/list" component={EmployeeList}/>
      <Route path="/employee/detail/:id" component={EmployeeDetail}/>
    </Route>
    <Route path="/goods" component={Goods}>
      <IndexRoute component={GoodsList}/>
      <Route path="/goods/list" component={GoodsList}/>
      <Route path="/goods/detail/:id" component={GoodsDetail}/>
    </Route>
  </Route>
)

// 动态数据
import React, { Component } from 'react'
import { Link } from 'react-router' // 引入Link处理导航跳转
import { connect } from 'react-redux'
import { fetchPostsIfNeeded, updateSubMenuWhenClick } from '../actions/count'
import { Menu } from 'antd';
class TopMenu extends Component {
  constructor(props){
    super(props);
    this.handleMenuClick = this.handleMenuClick.bind(this);
  }

  handleMenuClick(e){
    // console.log(e.item.props['data-menukey']);
    const { updateSubMenuWhenClick } = this.props
    updateSubMenuWhenClick(true, e.item.props['data-menukey'])
  }
  componentWillMount() {
  }
  componentDidMount() {
    const { fetchPostsIfNeeded } = this.props
    fetchPostsIfNeeded()
  }
  render() {
    const { menuList, fetchPostsIfNeeded } = this.props
    if(menuList.length != 0) {
      fetchPostsIfNeeded(true, menuList[0].key)
    }

    return (
      <Menu
        theme="dark"
        mode="horizontal"
        defaultSelectedKeys={['0']}
        style={{ lineHeight: '64px' }}
        onClick={this.handleMenuClick}
      >
      {
        menuList.map((e, index) => 
          <Menu.Item key={index} data-menukey={e.key} >
            <Link to={{ pathname: e.url }} >{e.name}</Link>
          </Menu.Item>
        )
      }
      </Menu>
    )
  }
}

const getList = state => {
  return {
    menuList: state.update.menuList
  }
}

export default connect(
  getList, 
  { fetchPostsIfNeeded, updateSubMenuWhenClick }
)(TopMenu)

const { menuList, fetchPostsIfNeeded } = this.props
    if(menuList.length != 0) {
      fetchPostsIfNeeded(true, menuList[0].key)
    }